chemistry/ Crossword Puzzles
Q1 Chemistry Review 2024-05-20
Across
- A _________ is an element in Group 17 of the periodic table.
- A measure of the ability of an atom to attract electrons in a chemical bond.
- The central part of an atom that contains protons and neutrons.
- A vertical column of elements in the periodic table.
- A subatomic particle with a positive charge.
- A chemical bond formed by the sharing of electrons between atoms.
- A chemical bond formed by the electrostatic attraction between positive and negative ions.
- A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound.
- _________ Number it the total number of protons and neutrons in the nucleus of an atom.
- The smallest unit of an element that retains the chemical properties of that element.
- An atom that has gained or lost one or more electrons and has a net charge.
- A subatomic particle with no charge.
- A subatomic particle with a negative charge.
- The ability of a substance to conduct electricity or heat.
Down
- Anything that has mass and takes up space.
- The electrons in a covalent bond are _________.
- _________ force of attraction or repulsion between charged particles.
- A pure substance that cannot be broken down into simpler substances by chemical means.
- Atoms of the same element that have different numbers of neutrons.
- _________ electrons are in the outermost energy level of an atom.
- The ability of a substance to dissolve in a solvent.
- The electrons in an ionic bond _________ from the metal to the nonmetal.
- An _________ metal is an element in Group 1 of the periodic table.
- A pure substance made up of two or more different elements chemically combined.
- _________ Number is the same as the number of protons in the nucleus of an atom.
- A horizontal row of elements in the periodic table.
- _________ Rule states atoms tend to gain, lose, or share electrons in order to have a full set of eight valence electrons.
27 Clues: A subatomic particle with no charge. • Anything that has mass and takes up space. • A subatomic particle with a positive charge. • A subatomic particle with a negative charge. • The electrons in a covalent bond are _________. • A horizontal row of elements in the periodic table. • The ability of a substance to dissolve in a solvent. • ...
REVISION IN CHEMISTRY 2023-09-26
Across
- the substances that passed through the filter paper
- a solid homogenous mixture of two different metals or a metal and a nonmetal
- a technique used to get salt from seawater
- gas turns into solid
- a mixture with two or more visible parts or layers
- a heterogenous mixture that displays Tyndall effect
- a heterogenous mixture that has the largest particle sizes
- the simplest form of matter
- the substance being dissolved
- liquid turns into gas
- the process of breaking down solute
- a common example of a magnetic material
- is used to separate solid + liquid mixture
- is used to separate solids of different sizes
- is anything that has mass and volume
- combination of a solute and a solvent
Down
- a technique used to separate the components of ink
- a technique used to separate liquid-liquid mixture
- a type of solution that reached the maximum amount of dissolved solute
- the substance that didn't pass the filter paper
- is made of two or more substances that are physically combined
- a phase of matter that is compressible
- a phase of matter that has compact particles
- the dissolving substance
- the ability to reduce the volume of something when pressure is applied.
- is used to separate magnetic from non-magnetic materials
- solid turns into liquid
- is made up of two or more different elements that are chemically combined
- liquid turns into solid
- gas turns into liquid
- the scattering of light exhibited by a colloid
- the liquid collected in distillation
- is the space occupied by the matter
- solid turns into gas
- a phase of matter which particles are sliding past one another
35 Clues: gas turns into solid • solid turns into gas • gas turns into liquid • liquid turns into gas • solid turns into liquid • liquid turns into solid • the dissolving substance • the simplest form of matter • the substance being dissolved • is the space occupied by the matter • the process of breaking down solute • the liquid collected in distillation • is anything that has mass and volume • ...
Sciencey Chemistry thingos 2023-08-08
Across
- how hot or cold something is
- two substances in the same state
- forming a solution
- a solid where the particles are a structured pattern
- particles are close, but still have room to move
- two substances of different states of matter
- used for measuring temperature
- a state of matter where particles are packed together
- solid to gas
- lacking the ability to easily dissolve
- turning a liquid into a gas
- a process of separating solids from a liquid using paper
Down
- molecules that have no charge
- to turn a liquid into a solid by removing heat
- it does the dissolving
- particles that are charged
- the smallest bit of something
- can easily be dissolved
- to heat liquid until bubbles form
- two or more components combined together
- slowly pouring a liquid to separate from a solid
- having too much of a solute dissolved in it
- many metals are
- a superheated state of matter
- how much a solvent can dissolve
- leftover substance
- a way to separate mixtures into individual components using paper
- what gets dissolved
- a mixture where everything is dispersed evenly
- a state of matter where the particles are widely dispersed
30 Clues: solid to gas • many metals are • forming a solution • leftover substance • what gets dissolved • it does the dissolving • can easily be dissolved • particles that are charged • turning a liquid into a gas • how hot or cold something is • molecules that have no charge • the smallest bit of something • a superheated state of matter • used for measuring temperature • ...
Chemistry e-f 2024-05-16
Across
- The warming effect on the Earths surface caused by greenhouse gases absorbing energy form the earths surface.
- A substance that scientists once thought explained why things burn
- An upward current of warm air
- Vertical columns
- when a substance is heated till it turns into a liquid
- A substance that reacts with acids, turns litmus blue and has a pH of more than 7
- A description of how a material behaves and what it is like
- A substance that reacts with alkalis, turns litmus red and has a pH of less than 7
- A group pf very unreactive non-metal gases and are found in group 7 of the periodic table.
- Horizontal rows
- A substance that supplies oxygen for a reaction
- An Acidic gas released from burning fossil fuels, which contributes to acid rain
- Any substance, soluble or insoluble that neutralises an acid to form a salt and water only
Down
- When a substance reacts fully with oxygen
- An element in group 7 of the periodic table
- A reaction that gives out energy that can be felt as it heats the surrounding
- How a substance reacts with other substances
- An ordered list of all known elements
- Particles made up of carbon that has not reacted with oxygen
- Easily burns into flames
- Fuel that formed from the dead remains of organisms over million years
- Seprating by a block of elements
- Something that can harm the environment / organisms that live their
- A substance that contains tow or more elements joined together
- A gas such as carbon dioxide, water vapour or methane in the Earths atmosphere
- A numerical scal from 1-14 to show how acidic or alkaline a substance is
- Is another word for burning
- For example when hydrogen is reacted with oxygen it is called and oxide
- Contains enough stored energy to explode if not handled correctly
- A compound made up of only hydrogen and carbon atoms
- Many of the products burning fuels in vehicle engines
- Releases oxygen
- The temperature of which a liquid boils
33 Clues: Horizontal rows • Releases oxygen • Vertical columns • Easily burns into flames • Is another word for burning • An upward current of warm air • Seprating by a block of elements • An ordered list of all known elements • The temperature of which a liquid boils • When a substance reacts fully with oxygen • An element in group 7 of the periodic table • ...
Chemistry Crossword Puzzle 2024-05-09
Across
- a salt or ester of nitric acid, containing the anion NO3− or the group —NO3.
- a scale that range goes from 0 to 14
- the degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch.
- the chemical element of atomic number 5, a nonmetallic solid.
- A measured quantity of the actual amount of product produced during a chemical reaction
- an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
- an ion, or charged particle, with a positive charge.
- of or denoting a scale of temperature on which water freezes at 0° and boils at 100° under standard conditions.
- the mass of a given chemical element or chemical compound (g) divided by the amount of substance (mol).
- the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.
- continuous physical force exerted on or against an object by something in contact with it.
Down
- an atom that has more electrons than protons
- the volume occupied by one mole of a substance (chemical element or chemical compound) at a given temperature and pressure.
- form of protective eyewear that usually enclose or protect the area surrounding the eye in order to prevent particulates, water or chemicals from striking the eyes.
- a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns.
- a substance that takes part in and undergoes change during a reaction.
- formed from the electrostatic attraction between oppositely charged ions
- The numerical relationships found in balanced chemical equations that relate the relative quantities of the substances taking part in a chemical reaction
- a measure of the amount of matter in an object.
- a safety device designed to extinguish incipient (starting) fires
20 Clues: a scale that range goes from 0 to 14 • an atom that has more electrons than protons • a measure of the amount of matter in an object. • an ion, or charged particle, with a positive charge. • the chemical element of atomic number 5, a nonmetallic solid. • a safety device designed to extinguish incipient (starting) fires • ...
Omega Chemistry Crossword 2024-05-09
Across
- indicate the precision of measurement
- Process where the solvent pull the solute apart
- the enthalpy change that occurs when one mole of a compound is formed from its constituent elements in their standard states, under standard conditions.
- the study of the relationships between heat, work, and energy in a system.
- force that holds two atoms together
- refers to how close a series of measurements are to one another
- a thermodynamic quantity that represents the total amount of heat content of a system.
- Group of elements that are explosively reactive i.e. Sodium
- Everything other than the system
- Functions that increases at a a decreasing rate
- refers to how close a measured value is to an accepted value
- A solution that is more concentrated than Saturated
- the SI unit for heat and energy
- Substance is unable to be dissolved in the solvent.
- Safety device use to put out fires on people
- the specific part of the universe that contains the reaction or process you wish to study
- "Spiky Pyramid"
- Chemical equation that is like a divorce
- describes the electrons probable location
- found of the periodic table
- Measures the acidity of basicity of a substance
- Radiation particle made of pure energy
- The amount a substance will dissolve into another
- Chemical bond that share electrons i.e. Cl2
- a chemically combined combination of two or more different elements
- Universal Polar Solvent
- This law states that you can add thermodynamic equations.
- Substance that is disperse/dissolved in another substance
- Rule that tates that atoms lose, gain, or share electrons in order to get to 8 electrons
- Emitting Ionizing Radiation
- elements with the same number of protons but different number of neutrons
- Substance with an uneven electrical charge, for example water and alcohol
- a thermodynamic property that represents the degree of disorder or randomness in a system.
- Chemical bond between a metal and a nonmetal i.e. NaCl
- combination of two or more substances
- state of matter that has constant volume but takes the shape of its container
- the principle that the entropy of a closed system will always increase over time.
- A diamond shaped diagram to show the danger level of a substance
- positively charged ion
- a property that can be observed without changing its composition
- an atom or compound with an electrical charge
- Chemical equation that combines two or more substances to make a single product
- Group of elements that are extremely unreactive
- Solution with water as the solvent
- positively charged particle
- particle with no charge
- a property the describes the ability of a substance to combine with or change
- A + BX -> AX + B
- Solution that contains the maximum amount of solute
- a substance that falls out of solution usually because of a chemical change
- the enthalpy change that occurs when one mole of a compound is formed from its constituent elements in their standard states.
- A solution that does not contain electrolytes
- Solution that contains less than the maximum amount of solute
Down
- the reference state used in thermodynamic calculations, typically defined as 1 atm pressure and 298 K temperature.
- Measurement of Alcohol Concentration
- balanced chemical equation that includes the energy change
- arrangements of electrons in an atom
- A helium Nucleus
- average mass of the isotopes of an element
- An electron emitted from a radioactive element
- Substance with an even electrical charge, for example oil
- the transfer of energy that results from a force acting on a system over a distance.
- the amount of energy required to break one mole of a particular type of bond in a molecule.
- Substance is able to be dissolve in the solvent
- anything that has mass and takes up space
- the energy of motion.
- a thermodynamic quantity that determines the maximum amount of work that can be obtained from a system at constant temperature and pressure.
- the amount of heat required to raise the temperature of 1 gram of the substance by 1 degree
- state of matter that has a definite shape and volume
- System + Surroundings
- Homogeneous Mixture
- the amount of heat required to raise the temperature of 1 gram of water 1 degree Celsius
- Moles/Liter
- the minimal amount of energy that a reaction needs in order to start
- Chemical bond between metal and another metal i.e. Bronze
- Same consistency throughout
- a mixture that is not blended smoothly
- Reducing Concentration
- Study of matter and the changes it undergoes
- a mixture that has a constant composition
- the transfer of energy that results from a temperature difference between two systems.
- Chemical equation that has oxygen as a reactant
- the energy that an object possesses due to its position or configuration.
- number of protons in an element
- Sulfate, Nitrate, Acetate are all examples of
- Combining two light elements
- AX + BY -> AY + BX
- A solute that can conduct electricity, think Gatorade
- the principle that it is impossible to reach absolute zero temperature through a finite number of processes.
- is stated as the change in concentration of a reactant over time
- substances formed during the reaction
- the amount of heat released when one mole of a substance is burned in oxygen.
- a measure of the average kinetic energy of the particles in a substance.
- negatively charged ion
- Splitting a heavy element
- statement that identifies the reactants and production of a chemical reaction
- the principle that energy cannot be created or destroyed, only transferred or converted from one form to another.
- Substance that can disperse/dissolve other substances
- small negatively charged particle
- Shaking, Stirring, or otherwise mixing
- starting substances of a chemical reaction
- Diagram that shows how electrons are arranged in molecules
- state of matter that flows to conform the shape of its container
- A solute breaking down into ions in solution
104 Clues: Moles/Liter • "Spiky Pyramid" • A helium Nucleus • A + BX -> AX + B • AX + BY -> AY + BX • Homogeneous Mixture • the energy of motion. • System + Surroundings • Reducing Concentration • negatively charged ion • positively charged ion • Universal Polar Solvent • particle with no charge • Splitting a heavy element • Same consistency throughout • found of the periodic table • ...
Chemistry Crossword Puzzle 2024-05-06
Across
- Taste Sour
- J.J Thompson discovered
- Concave/Convex surface of liquid read from bottom
- Change altering substance appearance
- When substance has characteristics of all phases solid,liquid,gas
- Device measures energy absorbed
- Increases concentration hydrogen ions
- Donates more than one proton per molecule
- Transition directly solid to gas
Down
- Time for half radioactive atom to decay
- Point when Titration changes color
- Number of digits in a number that are significant
- Taste Bitter
- Cannot be created or destroyed
- Sum of Protons and Neutrons
- Transition directly gas to solid
- Reaction when acid and base become salt and water
- atoms of same element with different number of neutrons
- Mass measured with balance
- Electrons must occupy all of the orbitals before pairing
- Speeds up chemical reaction
21 Clues: Taste Sour • Taste Bitter • J.J Thompson discovered • Mass measured with balance • Sum of Protons and Neutrons • Speeds up chemical reaction • Cannot be created or destroyed • Device measures energy absorbed • Transition directly gas to solid • Transition directly solid to gas • Point when Titration changes color • Change altering substance appearance • ...
Chemistry Crossword Puzzle 2024-05-08
Across
- A compound featuring a phosphorus-nitrogen double bond.
- Referring to a point in a spectroscopic analysis where the absorbance of two or more species is the same at different wavelengths.
- A compound where all hydrogen atoms in a hydrocarbon have been replaced by fluorine atoms.
- A chemical reaction where ozone is used to cleave carbon-carbon double bonds.
- A compound analogous to phosgene but containing sulfur instead of oxygen.
- Relating to aliphatic compounds containing fluorine atoms.
- A compound containing iodine and used as an antimicrobial agent.
- Describing certain types of concerted chemical reactions involving the reorganization of π-electrons.
- Referring to an extremely acidic substance, often characterized by a very low pH.
- Pertaining to cyclic compounds containing only carbon atoms.
- A cyclic compound containing boron, oxygen, and carbon atoms.
Down
- A six-membered cyclic ether containing one oxygen and two carbon atoms.
- A compound containing both an epoxy group and a silicon atom.
- The process of converting monomers into a relatively small number of molecules consisting of repeating units.
- A rare class of organic compounds featuring a double-bonded nitrogen and oxygen.
- A chemical reaction where two or more unsaturated molecules combine to form a cyclic compound.
- The phenomenon where stereoisomers of a compound are not mirror images and have different physical properties.
- Compounds containing aluminum-hydrogen bonds.
- A polymer consisting of cyclic repeating units.
- A boron-containing compound featuring a spiro structure.
20 Clues: Compounds containing aluminum-hydrogen bonds. • A polymer consisting of cyclic repeating units. • A compound featuring a phosphorus-nitrogen double bond. • A boron-containing compound featuring a spiro structure. • Relating to aliphatic compounds containing fluorine atoms. • Pertaining to cyclic compounds containing only carbon atoms. • ...
Biology & Chemistry Crossword 2024-07-17
Across
- one or more cells that make and secrete a particular product
- an animal with a spine
- the founder of modern bacteriology
- the process by which the plasma membrane of a cell allows some substances to pass through it while excluding others
- the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water
- the "pantry" of the cell where chemical substances are kept on hand until needed
- the "Father of Modern Genetics"
- when a gas turns into a liquid
- another word for the skull
Down
- The shoulder is what type of joint?
- What is the largest muscle in an adult human?
- Who discovered the structure of DNA along with James Watson and Maurice Wilkins?
- Which teeth are primarily used for cutting food?
- ductless glands
- when a liquid turns into a gas
- the diffusion of water through the plasma membrane
- the longest phase of the cell's life cycle wherein the cell grows and carries on its usual metabolic activities while preparing for cell division
- biologist credited with discovering penicillin
- the "factory floor" of the cell where most cellular activity occurs
- the structural units of all living things
- considered a connective tissue because it consists of cells surrounded by a nonliving, fluid matrix called plasma
21 Clues: ductless glands • an animal with a spine • another word for the skull • when a liquid turns into a gas • when a gas turns into a liquid • the "Father of Modern Genetics" • the founder of modern bacteriology • The shoulder is what type of joint? • the structural units of all living things • What is the largest muscle in an adult human? • ...
Chemistry - Recap (HL) 2024-08-21
Across
- - The total charge of all the protons in the nucleus.
- - A measure of an atom's ability to attract and bond with electrons.
- - A measure of the disorder or randomness in a system.
- - The energy required to break a bond in a molecule.
- - A molecule or ion that binds to a central metal atom to form a coordination complex.
- - Weak forces of attraction between molecules.
- - The state in which the concentrations of reactants and products remain constant over time.
- - The energy required to remove an electron from a gaseous atom or ion.
- - The principle that states that a system at equilibrium will adjust to counteract a change in conditions.
- - The three-dimensional arrangement of atoms in a molecule.
- - Atoms and ions that have the same number of electrons.
Down
- - A type of covalent bond where electrons are unequally shared between atoms.
- - The energy required to separate one mole of a solid ionic compound into its gaseous ions.
- - The process of mixing atomic orbitals in a molecule to form new hybrid orbitals.
- - The heat content of a system at constant pressure.
- - The energy associated with a chemical reaction that can be used to do work.
- - Elements found in the d-block of the periodic table, known for forming colored compounds.
- - The minimum amount of energy required for a chemical reaction to occur.
- - Patterns in the periodic table that show the variations of properties across elements.
- - The process of binding metal ions with a ligand that has multiple binding sites.
20 Clues: - Weak forces of attraction between molecules. • - The heat content of a system at constant pressure. • - The energy required to break a bond in a molecule. • - The total charge of all the protons in the nucleus. • - A measure of the disorder or randomness in a system. • - Atoms and ions that have the same number of electrons. • ...
Chemistry key terms 2024-08-25
Across
- when a substance dissolves in other substance
- a liquid that evaporates easily
- the mixture of solute and solvent
- the central region of an atom that is made up of proton and neutron
- the process by which different fluids mix as a result of random motion
- the smallest particle
- a gas or a liquid, they are able to flow
- a substance that does not dissolve in a particular solvent
- state the points of topic / give characteristics and main features
Down
- a process occurring at the surface of the liquid involving change of state
- atoms of same element with same atomic number but different atomic mass
- a homogeneous mixture of metals
- a measure of how much solute is dissolved in a solvent to make a solution
- a regular three-dimensional arrangement of atoms
- a mixture containing small particles of an insoluble solid or droplets of an insoluble liquid ,spread throughout a liquid
- the horizontal row of the periodic table that an element is
- a unglazed pot that has channels through which gases can pass
- a substance formed by the chemical combination of two or more elements
- if two liquids form a completely uniform mixture
- when same atoms are combined together
20 Clues: the smallest particle • a homogeneous mixture of metals • a liquid that evaporates easily • the mixture of solute and solvent • when same atoms are combined together • a gas or a liquid, they are able to flow • when a substance dissolves in other substance • a regular three-dimensional arrangement of atoms • if two liquids form a completely uniform mixture • ...
Chemistry Crossword Puzzle 2024-09-05
Across
- Heisenberg ___ Principle
- Atoms absorb energy and become ___
- The number of orbitals in the d shell
- The 4 electron shells (in order)
- The “high point” of the wave
- Electrons in the outermost energy shell
- The unit of the constant c
- Maximum number of electrons in the d shell
- Electron Dot Structures: diagrams that show the # of ___ electrons
- J (Plural)
- what electrons emit when they fall back down to a normal energy level
- Relationship between wavelength and frequency
- c
- longest wavelength color in the visible light spectrum
- h
- maximum number of electrons in the p shell
- Number of orbitals in the p shell
- The “low point” of the wave
- Max number of electrons in one orbital
- Relationship between the energy of light and frequency
- Number of orbitals in the s shell
Down
- Elements that have full outermost shells
- 2nd method for writing electron configurations
- The number of orbitals in the f shell
- There are 3 ___ in the p subshell.
- Clockwise or counterclockwise rotation of electrons
- v
- Inversely proportional to wavelength
- (unit) = Hz
- the number of ___ is equal to the number of electrons
- 1st method for writing electron configurations
- Electrons must occupy the ___ energy orbital available
- λ
- shortest wavelength color in the visible light spectrum
- In order for an atom to be stable, # of protons and electrons must be ___
- Unstable arrangements tend to become more stable by ___ energy
- E
- Maximum number of electrons in the f shell
- maximum number of electrons in the s shell
- How many valence electrons does Silicon have? (Atomic# 14)
40 Clues: v • λ • c • E • h • J (Plural) • (unit) = Hz • Heisenberg ___ Principle • The unit of the constant c • The “low point” of the wave • The “high point” of the wave • The 4 electron shells (in order) • Number of orbitals in the p shell • Number of orbitals in the s shell • There are 3 ___ in the p subshell. • Atoms absorb energy and become ___ • Inversely proportional to wavelength • ...
Chemistry Crossword Puzzle 2023-01-30
Across
- Substance is the amount of solute.
- Ions are being captured.
- Where water is the solvent.
- A Solid compound that contains water molecules.
- Solute dissolves.
- Not in a uniform appearance and composition.
- Uniform appearance and composition.
- Dissolving medium.
- Loss of water by a hydrate.
- Compound that doesn't conduct electrical currents.
Down
- Areas in the ocean where oxygen is low.
- Maximum amount of solute.
- It holds the water on the coin in place.
- Graph of the solubility as a function for temp.
- Contains more solute than it can hold.
- Conducts electrical currents.
- A substance that reduces surface tension and increases wetting.
- Relationships between solubility and pressure.
- Hetrigenenous mixture where particles settle out upon standing.
- Dissolved particles.
- Heterogenous mixture containing particles.
21 Clues: Solute dissolves. • Dissolving medium. • Dissolved particles. • Ions are being captured. • Maximum amount of solute. • Where water is the solvent. • Loss of water by a hydrate. • Conducts electrical currents. • Substance is the amount of solute. • Uniform appearance and composition. • Contains more solute than it can hold. • Areas in the ocean where oxygen is low. • ...
Chemistry crossword puzzle 2023-01-30
Across
- Mixture of 2 or more substances
- How soluble a substance is
- No positive or negative charges ie. neutral.
- does not conduct electricity when dissolved
- loss of water by a hydrate
- heterogeneous mixture with particles that are spread throughout another substance
- heterogeneous mixture from which particles settle our upon standing
- Solvating and crystallizing solute changed when ion enters solution until equilibrium
- a compound that conducts an electric current when dissolved
- rate at which a solute dissolves
Down
- a substance that reduces surface tension and increases wetting
- solution with more solute than it can theoretically hold.
- dissolved particles
- mixture with uniform appearance and composition
- How charged something is
- the dissolving medium
- Crystalline compound that contains water molecules as an integral part of its crystal structure
- mixture with no uniform composition
- ion capture by the solvent
- A way for a solution to become a solid
20 Clues: dissolved particles • the dissolving medium • How charged something is • How soluble a substance is • loss of water by a hydrate • ion capture by the solvent • Mixture of 2 or more substances • rate at which a solute dissolves • mixture with no uniform composition • A way for a solution to become a solid • does not conduct electricity when dissolved • ...
G10 Chemistry Crossword 2023-06-28
Across
- the smallest form of a chemical particle that retains the properties of the particle.
- A + BC -> B + AC (dash between words)
- outer shell of an atom
- A + B -> AB, what type of reaction
- founder of modern atomic theory (surname)
- a molecule that contains two or more different types of atoms
- how many groups are on the periodic table
- AB -> A + B, what type of reaction
- receives hydrogen ions, opposite of an acid
- particle with no charge/neutral charge
Down
- The number of protons contained in an atom(dash between words)
- positively charged particle
- occurs when the nucleus loses (or gains) a neutron
- negatively charged particle
- The number of protons plus neutrons contained in an atom (dash between words)
- displacement AB + CD -> AC + BD
- how many periods are found in the periodic table
- a liquid that releases positively charged hydrogen ions
- an exothermic chemical reaction that requires oxygen and a fuel substance as reactants and an ignition source to trigger the reaction
- a group of atoms that are bonded together
- the Greek word that was originally used for atoms
21 Clues: outer shell of an atom • positively charged particle • negatively charged particle • AB -> A + B, what type of reaction • A + B -> AB, what type of reaction • displacement AB + CD -> AC + BD • particle with no charge/neutral charge • A + BC -> B + AC (dash between words) • founder of modern atomic theory (surname) • a group of atoms that are bonded together • ...
iGCSE Chemistry Crossword 2023-04-20
Across
- A mixture of two or more elements where at least one element is a metal
- Covalent compounds which are giant covalent, eg diamond
- A reaction that absorbs energy
- A saturated hydrocarbon with only single bonds
- How easily a substance combines chemically with another substance
- Regular arrangement of particles
- A chemical reaction that breaks down compounds into simpler products
- A liquid capable of dissolving other substances
- Technique to separate two liquids with differing boiling points
- A solid that forms from a solution during a chemical reaction
Down
- Joining many monomers to make a long repeating chain molecule
- The amount of solute dissolved in a certain volume of solvent
- The movement of water from a high water potential to low through a semipermeable membrane
- An unsaturated hydrocarbon with one double bond and many single bonds
- The chemical action of yeast on sugars to produce alcohol
- The waste impurities that react with CaO in the blast furnace
- Physical change from a solid to a gas
- Any compound forming H+ ions in solution
- A reaction that releases energy
- A pattern that repeats at regular intervals
- Atoms of the same element with the name number of protons but a different number of neutrons
- A substance that can act as both an acid and a base
22 Clues: A reaction that absorbs energy • A reaction that releases energy • Regular arrangement of particles • Physical change from a solid to a gas • Any compound forming H+ ions in solution • A pattern that repeats at regular intervals • A saturated hydrocarbon with only single bonds • A liquid capable of dissolving other substances • ...
We've got CHEMISTRY 2023-04-25
Across
- liquid to gas
- solid to gas
- number of protons in the nucleus
- absorbs heat
- gas to solid
- a mixture that is not uniform
- when two liquids do not mix
- pressure is constant
- atoms with different numbers of neutrons
- microscopic particles are dispersed evenly
- point at the end of a curve
Down
- the process of burning something
- gas to liquid
- sum of protons and neutrons
- numbers being accuracy
- a combination of two substances
- temperature is constant
- volume is constant
- releases heat
- a mixture containing particles that settle out
20 Clues: solid to gas • absorbs heat • gas to solid • gas to liquid • liquid to gas • releases heat • volume is constant • pressure is constant • numbers being accuracy • temperature is constant • sum of protons and neutrons • when two liquids do not mix • point at the end of a curve • a mixture that is not uniform • a combination of two substances • the process of burning something • ...
Chemistry vocabulary words 2023-05-11
Across
- a mathematical statement that two expressions are the same
- relating to the smallest component of an element
- having characteristics of both an acid and a base
- the smallest component of an element
- measured by the number of moles of solute per kilogram of solvent
- the material that is acted upon by an enzyme
- designating a solution containing one mole of solute per kilogram of solvent
- the smallest component of an element
- relating to or containing an alkali
- a compound that exists in forms having different arrangements
- an idea evoked by some experience
- lowest support
Down
- either one of a pair of compounds (crystals or molecules)
- harmonious arrangement or relation of parts within a whole
- concentration measured by molecular weight of a substance
- relating to the simplest units of an element or compound
- grinding tooth with a broad crown
- a sour water-soluble compound
- a group of symbols that make a mathematical statement
- a stable particle with positive charge
- the simplest structural unit of an element or compound
21 Clues: lowest support • a sour water-soluble compound • grinding tooth with a broad crown • an idea evoked by some experience • relating to or containing an alkali • the smallest component of an element • the smallest component of an element • a stable particle with positive charge • the material that is acted upon by an enzyme • relating to the smallest component of an element • ...
Chemistry Elements Crossword 2023-03-24
Across
- chemicals added to food to keep it fresh, improve its taste or appearance
- the solid that does not pass through a filter
- liquids that do not mix together but form two separate layers
- a measure of how poisonous a substance is
- elements which are generally hard, shiny and conduct electricity
- the ability of a substance to bend without breaking
- the substance that dissolves in a solvent
- when a substance can dissolve in a solvent
- a measure of how much solute dissolves in a solvent
- a substance made from atoms of different kinds chemically joined together
- liquids that do not mix together but form two separate layers
- the mass per unit of a substance
- the liquid that passes through a filter
- a single substance
- a substance in the gaseous state
Down
- liquids that mix with each other
- separating an insoluble solid from a liquid by pouring off the liquid
- the breaking down of a substance using electricity
- abnormally high level of activity or excitement by a person
- a reaction in which a compound is broken down into simpler substances
- the ability of a substance to be stretched into a wire
- a liquid in which a solute dissolves
- a man-made material which can be shaped or moulded
- how easily a substance catches on fire
- a process in which a solvent is separated from a solute by heating the solution. The solvent boils and then condenses and the solvent is collected
- the ability of a substance to be hammered into shape
- the formation of crystals as a solution cools
- a mixture of a solute dissolved in a solvent
- chemicals added to food to keep it fresh longer
- a substance that does not dissolve in a solvent
- a mixture of insoluble solid particles spread through a liquid
- a factor that can change in an experiment
- more than one substance - contains different types of particles that are not joined together
- unwanted reaction by the body to a chemical
34 Clues: a single substance • liquids that mix with each other • the mass per unit of a substance • a substance in the gaseous state • a liquid in which a solute dissolves • how easily a substance catches on fire • the liquid that passes through a filter • a measure of how poisonous a substance is • the substance that dissolves in a solvent • a factor that can change in an experiment • ...
Chemistry Crossword Puzzle 2023-06-10
Across
- Any region that has the same ratio of substances as any other region
- Average mass of all the isotopes of an element.
- Atoms of the same element that contain different numbers of neutrons
- The arrangement of electrons in the orbitals of an atom
- Different components can be seen as individual substances
- An integer that specifies a quantized energy level
- Replicated an object on a convenient scale
- Homogeneous mixture in which all components are dissolved in the same phase
- Gradual change of any property in the elements across a period of the periodic table
- Describes the behavior of a system
Down
- Number of protons each atom contains
- Total number of nucleons an atom contains
- Shiny, opaque, and conducts heat/electricity
- Force of attraction between two atoms that holds them together
- Located at upper right of periodic table
- Homogeneous mixture where various components are finely mixed, NOT dissolved
- Light consists of a stream of energy packets
- Exhibits some properties of metals and nonmetals
- Protons and Neutrons
- Vertical column on the periodic table
20 Clues: Protons and Neutrons • Describes the behavior of a system • Number of protons each atom contains • Vertical column on the periodic table • Located at upper right of periodic table • Total number of nucleons an atom contains • Replicated an object on a convenient scale • Shiny, opaque, and conducts heat/electricity • Light consists of a stream of energy packets • ...
HS Chemistry (PreIB) 2023-05-25
Across
- rate of migration
- FeS
- H2O
- consists of nucleus and electrons
- funnel, filter paper
- increase in _______ makes gas particles move faster
- ice to ice water
- solid to gas
- Sulfur, Iron, Carbon, Hydrogen
- formation of water droplets on windows ,cold days
Down
- when solids increase slightly
- blood, air, alloys
- clear liquid obtained using a funnel
- suspensions, gel, sugar solution, sand and iron
- Br (name)
- O2 , N2, Cl2
- particles are packed, vibrate at fixed point
- iron and sulfur, salt and pepper
- movement of particles from higher concn
- number of atoms in H2O
- supports apparatus during heating
21 Clues: FeS • H2O • Br (name) • O2 , N2, Cl2 • solid to gas • ice to ice water • rate of migration • blood, air, alloys • funnel, filter paper • number of atoms in H2O • when solids increase slightly • Sulfur, Iron, Carbon, Hydrogen • iron and sulfur, salt and pepper • consists of nucleus and electrons • supports apparatus during heating • clear liquid obtained using a funnel • ...
Chemistry Vocabulary Practice 2023-08-18
Across
- This number tells you the sum of protons and neutrons in an atom.
- Neutrons don't have a charge, they are ______.
- The area around the atom filled with negatively charged particles
- This is the red house, the house of friendship
- This is the purple house, the house of kindness
- Electrons are organized onto ________ in the electron cloud.
- Positively charged particles in the nucleus
- Protons have a ________ charge.
Down
- Electrons have a _______ charge.
- A(n) _______ is the smallest part of matter.
- This is the orange house, the house of unity
- This is the green house, the house of courage
- This number tells you how many protons and electrons are in an atom
- This is the black house, the house of givers
- Neutral particles in the nucleus
- Protons and Neutrons have a mass of 1 ______.
- This is the mascot of Wilkinson Middle School
- The center of an atom
- This is the blue house, the house of dreamers
- Negatively charged particles found outside the nucleus
20 Clues: The center of an atom • Protons have a ________ charge. • Electrons have a _______ charge. • Neutral particles in the nucleus • Positively charged particles in the nucleus • A(n) _______ is the smallest part of matter. • This is the orange house, the house of unity • This is the black house, the house of givers • This is the green house, the house of courage • ...
Intro to Chemistry 2021-10-11
Across
- Substances that are made up of one or more elements.
- The "H" in WHMIS.
- A gas becoming a solid.
- A pure substance made up of 2 or more elements. Example: sodium chloride (table salt).
- A mixture where different substances are easily visible (ex: trail mix).
- The "W" in WHMIS.
- A solution in water.
- The "S" in WHMIS.
- A solid that has melted.
- The shape indicating the container is dangerous.
- How will something dissolves in water.
- The "M" in WHMIS.
- A property describing the appearance or composition of a substance.
- How will an object allows electricity to pass.
Down
- The "I" in WHMIS.
- The ability to resist being scratched.
- A liquid becoming a solid.
- A cloudy mixture where a substance is suspended in another.
- When a substance moves from one state to another.
- A change in colour; a precipitate forms; a change in odour; the formation of a new solid, liquid or gas; the release or absorption of heat.
- A substance that is dissolved in another substance.
- A property described by how well a substance interacts or reacts with other substances.
- A state of matter where the particles are closest.
- How shiny an object is.
- Includes the product identification, potential hazards, proper handling and first aid treatment.
- The shape indicating the contents are dangerous.
- A cloudy mixture of very small, suspended particles that are hard to separate.
- A solid that has sublimated.
28 Clues: The "I" in WHMIS. • The "H" in WHMIS. • The "W" in WHMIS. • The "S" in WHMIS. • The "M" in WHMIS. • A solution in water. • A gas becoming a solid. • How shiny an object is. • A solid that has melted. • A liquid becoming a solid. • A solid that has sublimated. • The ability to resist being scratched. • How will something dissolves in water. • ...
The Properties Chemistry 2021-10-22
Across
- Contains two or more elements in a fixed ratio.
- Can be measured and assigned a particular value.
- Group 17 in the periodic table.
- Sodium combined with chlorine.
- The number of protons and electrons in an element.
- Has 8 or 2 valence electrons and is.
- May ignite if exposed to heat, sparks, friction, flames, or incompatible material.
- The center of an atom containing protons and electrons.
- The amount of space an object takes up.
- Positively charged particles.
- The liquid that you use to dissolve an object.
- Has only 1 valence electron and are highly reactive.
- Household safety symbols.
- Easiness to be hammered into a sheet.
- Workplace safety symbols.
- The outermost electron.
- Can be observed but not measured.
- Hydrogen combined with two oxygens.
- A compound combined with only non-metal elements.
- Matter that contains 2 or more different types of pure substance.
- The outermost energy level.
- A mixed product that has more than 1 state.
- Characteristic or features of a substance.
- A particle that has no charge.
Down
- The abilities of a substance to react and form a new substance.
- Easiness to be stretched into a wire.
- Matter that contain 1 type of particle.
- A negatively charged ion.
- He was the first to create the atomic theory and he created the "Plum Pudding Model".
- A shell where the electron resides.
- The process of separating two types of particles using boiling points.
- Two hydrogens combined with two oxygens.
- A group of elements that chare electrons. Can be made from the same or different element.
- A compound combined with both non-metal and metal elements.
- Niels Bohr created this model. He suggested that energy levels surrounded the nucleus and the first 3 shells contain 2 electrons, then 8, then another 8.
- Atoms of the same element that have different number of neutrons.
- Materials which can cause or are suspected of causing long-term health effects.
- Can dissolve metals, skin, etc, and can cause burn and serious eye damage.
- How heavy an object is.
- The ability of an object to dissolve in water.
- A positively charged ion.
- How closely compact an object is.
- The object you dissolve in the liquid.
- A mixed product that only has 1 state.
- Cannot be broken down into a simpler substance.
- Carbon combined with two oxygen.
- An atom that has either removed or added valence electrons to become more stable.
- Negatively charged particles.
48 Clues: How heavy an object is. • The outermost electron. • A negatively charged ion. • A positively charged ion. • Household safety symbols. • Workplace safety symbols. • The outermost energy level. • Positively charged particles. • Negatively charged particles. • Sodium combined with chlorine. • A particle that has no charge. • Group 17 in the periodic table. • ...
Chemistry- Exam 1 2021-10-22
Across
- to the difference between a measured value and the “true” or “known” value.
- the variable that is being measured or tested in an experiment
- the value of data in the form of counts or numbers where each data-set has an unique numerical values
- the quality or state of being correct or precise.
- the description of an observed phenomenon
- a measurement of force that is equal to the gravitational pull on an object.
- one in which the subject or a group would not be tested for the dependent variable
- a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
Down
- descriptive and conceptual findings collected through questionnaires, interviews, or observation
- a variable that stands alone and isn't changed by the other variables you are trying to measure.
- a proposition made as a basis for reasoning, without any assumption of its truth.
- a statement based on experimental measurements and observations
- the absolute value of the error divided by the accepted value and multiplied by 100%.
- any non-zero digits or trapped zeros. They do not include leading or trailing zeros. When going between decimal and scientific notation, maintain the same number of significant figures.
- a representation or simulation for device structure, process equipment or a management system.
- the quality, condition, or fact of being exact and accurate.
- a method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.
- a carefully thought-out explanation for observations of the natural world that has been constructed using the scientific method
- a material made up of two or more different chemical substance/substances which are not chemically combined
- the measurement of the amount of matter than an object contains.
20 Clues: the description of an observed phenomenon • the quality or state of being correct or precise. • the quality, condition, or fact of being exact and accurate. • the variable that is being measured or tested in an experiment • a statement based on experimental measurements and observations • the measurement of the amount of matter than an object contains. • ...
Chemistry CW 1 2021-11-29
Across
- A chart of all known elements that scientists reference when working with atoms or molecules
- Ag
- elements in group 18 of the periodic table that share similar properties such as a full outer electron shell
- U
- Al
- Pb
- An abbreviation for the name of an element on the periodic table.
- when an element has more than one possibility for the number of neutrons
- The average mass of the nucleus of that element.
- ________ electron is a located in the outermost shell of an atom
- Repeating rows of the periodic table that demonstrate patterns of how elements are arranged.
- elements in group 17 of the periodic table that need only one electron to complete its outer electron shell
- A subatomic particle with no charge located at the center of an atom.
- Li
- Characteristics of elements that help to identify what they are.
- C
- K
- Elements arranged in vertical columns of the periodic table that share the same properties.
- Si
- _______ family are the elements in group 16
Down
- Cr
- A subatomic particle of an atom that is negatively charged and orbits the nucleus extremely fast.
- I
- ________ family are the elements in group 14
- someone who studies chemistry
- He
- The basic unit of an element.
- ________ family are the elements in group 15
- elements in group 1 of the periodic table that are characterized as metals and only have one valence electron
- H
- this is where the electrons in an atom are found
- ________ family are the elements in group 13
- Sn
- Na
- The number of protons in the nucleus of each element.
- Anything that has mass and takes up space.
- Cl
- Two or more atoms bonded together.
- Ne
- Mg
- A positively charged subatomic particle located at the center of an atom.
- Ca
- O
- Elements that are good conductors of electricity and thermal energy and are often solid at room temperature.
- elements in group 2 of the periodic table that are characterized as metals and only have two valence electrons
- Protons and neutrons clump together at the center of an atom to form the ___________ of an atom.
- P
47 Clues: I • U • H • O • C • K • P • Cr • Ag • He • Al • Pb • Sn • Na • Cl • Ne • Mg • Li • Ca • Si • someone who studies chemistry • The basic unit of an element. • Two or more atoms bonded together. • Anything that has mass and takes up space. • _______ family are the elements in group 16 • ________ family are the elements in group 14 • ________ family are the elements in group 15 • ________ family are the elements in group 13 • ...
F1 Chemistry Challenge 2021-11-22
20 Clues: Lance Stroll • Sergio Perez • Lando Norris • Pierre Gasly • Esteban Ocon • Yuki Tsunoda • Kimi Raikkonen • Nikita Mazepin • Max Verstappen • Lewis Hamilton • George Russell • Fernando Alonso • Mick Schumacher • Nicholas Latifi • Charles Leclerc • Valtteri Bottas • Carlos Sainz Jr. • Sebastian Vettel • Daniel Ricciardo • Antonio Giovinazzi
Chemistry CW 3 2021-12-06
Across
- W
- Ag
- Cr
- As
- describes elements that spontaneously emit radiation stable nucleus by emitting radiation
- A positively charged subatomic particle located at the center of an atom.
- any of two or more atoms of the same element that have different numbers of neutrons
- Zn
- Rh
- Ni
- Cd
- vaporization that occurs only at the surface of a liquid
- Ar
- matter that has no definite volume and no definite shape
- Rn
- Pt
- Be
- Two or more atoms bonded together.
- atom that is no longer neutral because it has gained or lost electrons
- Mn
- A subatomic particle with no charge located at the center of an atom.
- Li
- Protons and neutrons clump together at the center of an atom to form the nucleus of an atom.
- Ca
- change of state from a gas to a liquid
- matter that has a definite volume and a definite shape
- H
- sum of the number of protons and neutrons in an atom
- Ba
- The basic unit of an element. All matter is made up of atoms.
- P
- B
- Br
- Bi
- I
- Ti
- Pb
- F
Down
- Au
- gas state of a substance that is normally a solid or a liquid at room temperature
- Na
- He
- change of state of a liquid into a gas
- the number of protons in an atom of an element
- Sn
- S
- Cu
- N
- Kr
- Al
- Xe
- Anything that has mass and takes up space.
- C
- O
- Mg
- matter with a definite volume but no definite shape
- Zr
- Area around an atomic nucleus where an electron is most likely to be found.
- Hg
- Fe
- decay process that occurs when an unstable atomic nucleus changes into another more
- Ga
- Si
- Ne
- A subatomic particle of an atom that is negatively charged and orbits the nucleus extremely fast.
- U
- K
- Cl
- Nd
- Co
- occurring without external force or cause
- A chart of all known elements that scientists reference when working with atoms or molecules.
72 Clues: W • S • N • C • O • U • K • H • P • B • I • F • Au • Ag • Na • Cr • He • As • Sn • Zn • Cu • Kr • Rh • Ni • Cd • Al • Xe • Ar • Rn • Pt • Mg • Be • Zr • Mn • Hg • Fe • Li • Ga • Si • Ca • Ne • Ba • Cl • Nd • Co • Br • Bi • Ti • Pb • Two or more atoms bonded together. • change of state of a liquid into a gas • change of state from a gas to a liquid • occurring without external force or cause • Anything that has mass and takes up space. • the number of protons in an atom of an element • ...
Chemistry Semester 1 2021-12-09
Across
- evenly mixed mixture
- tells e- location
- idea supported with evidence
- Eats away/burns
- size of a wave of energy
- large nucleus that loses particles
- does not depend on amount
- same element different mass
- Metal + Non-metal bond
- gives off energy
- solid, liquid, gas
- multiple atoms bonded together with a charge
- positively charged atom
- a guess based on research
- shows valence e-
- metals, delocalized e-
- can be observed or measured
- reactivity or chemical composition
- energy it takes to remove an electron
- 2 or more substances physically combined
- e- falls back to original level
- physical property that depends on amount
Down
- a range of wave lengths of energy
- a diamond that tells the reaction of a chemical to different things
- nonmetals, shared e-
- cant be seperated physically
- table with elements on it
- size of atom
- unevenly mixed mixture
- charged atom
- emits (alpha) particle
- can dissolve
- e- gains energy and jumps to higher e- levels
- negatively charged atom
- unstable isotope that will decay
- how badly an atom wants e- in a bond
- small nuclei combined to form one bigger nucleus
- Sheet with hazards and properties of a chemical bond
38 Clues: size of atom • charged atom • can dissolve • Eats away/burns • gives off energy • shows valence e- • tells e- location • solid, liquid, gas • evenly mixed mixture • nonmetals, shared e- • unevenly mixed mixture • emits (alpha) particle • Metal + Non-metal bond • metals, delocalized e- • negatively charged atom • positively charged atom • size of a wave of energy • table with elements on it • ...
My Chemistry Puzzle 2022-05-16
Across
- refers to bonding in molecules or ions that cannot be correctly represented by a single Lewis structure.
- a covalent bond in which the bonded atoms have an unequal attraction for the shared electrons.
- are orbitals of equal energy produced by the combination of two or more orbitals on the same atom.
- a covalent bond in which one pair of electrons is shared between two atoms.
- is the simplest collection of atoms from which an ionic compound's formula can be written.
- an electron-configuration notation in which only the valence electrons of an atom of a particular element are shown, indicated by dots placed around the element's symbol.
- a chemical bonding that results from the electrical attraction between cations and anions.
- indicates the relative numbers of atoms of each kind in a chemical compound by using atomic symbols and numerical subscripts.
- bonds that have an uneven distribution of charge.
- is composed of positive and negative ions that are combined so that the numbers of positive and negative charges are equal.
- indicates the kind, number, arrangement, and bonds but not the unshared pairs of the atoms in a molecule.
- are simply double, triple, or multiple covalent bonds.
- is the energy released when one mole of an ionic crystalline compound is formed from gaseous ions.
Down
- the chemical bonding that results from the attraction between metal atoms and the surrounding seas of electrons.
- the intermolecular force in which a hydrogen atom that is bonded to a highly electronegative atom is attracted to an unshared pair of electrons of an electronegative atom in a nearby molecule.
- states that repulsion between the sets of valance-level electrons surrounding an atom causes these sets to be oriented as far apart as possible.
- is created by equal but opposite charges that are separated by a short distance.
- the energy required to break a chemical bond and from neutral isolated atoms.
- a chemical bonding that results from the sharing of electron pairs between two atoms.
- a charged group of covalently bonded atoms.
- a neutral group of atoms that are held together by covalent bonds.
- the intermolecular attractions resulting from the constant motion of electrons and the creation of instantaneous dipoles.
- shows the types and numbers of atoms combined in a single molecule of a molecular compound.
- formulas in which atomic symbols represent nuclei and inner - shell electrons, dot - pairs of dashes between two atomic symbols represent electron pairs in covalent bonds, and dots adjacent to only one atomic symbol represent unshared electrons.
- is the mixing of two or more atomic orbitals of similar energies on the same atom to produce new hybrid atomic orbitals of equal energies.
- a covalent bond in which the bonding electrons are shared equally by the bonded atoms, resulting in a balanced distribution of electrical charge.
- a chemical compound whose simplest units are molecules.
- a mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms together.
- is the ability of a substance to be drawn, pulled, or extruded through a small opening to produce a wire.
- is the ability of a substance to be hammered or beaten into thin sheets.
30 Clues: a charged group of covalently bonded atoms. • bonds that have an uneven distribution of charge. • are simply double, triple, or multiple covalent bonds. • a chemical compound whose simplest units are molecules. • a neutral group of atoms that are held together by covalent bonds. • is the ability of a substance to be hammered or beaten into thin sheets. • ...
CLINICAL CHEMISTRY SEATWORK 2022-05-18
Across
- have hydrophilic and hydrophobic portions
- largest yet lightest lipoprotein
- appearance of plasma if VLDL is present
- protein carrier of fatty acids
- good cholesterol
- type of lipoprotein that includes Lp(a) and IDL
- protein backbone structure in lipoproteins
- region where LDL migrates
- hepatic-derived TG
- region where HDL migrates
- solubility characteristic of lipids in water
- color of cholestadienyl monosulfonic acid
- TG from the diet
- enzyme needed for cholesteryl ester formation
Down
- reference method for lipoprotein assay
- least reliable indicator of coronary heart disease
- associated with obstructive biliary disease
- equation to compute LDL
- produces chylomicrons
- bad cholesterol
- fat-soluble vitamins
- predominant component in HDL
- relationship of HDL to atherosclerosis and CHD risk
- after meal
- most commonly used support medium in lipoprotein electrophoresis
- three-step procedure for total cholesterol determination
- colorimetric reaction that involves formation of red cholestadienyl disulfonic acid
- region where VLDL migrates
- lipid cargo of LDL and HDL
- floating beta-lipoprotein
30 Clues: after meal • bad cholesterol • good cholesterol • TG from the diet • hepatic-derived TG • fat-soluble vitamins • produces chylomicrons • equation to compute LDL • region where LDL migrates • region where HDL migrates • floating beta-lipoprotein • region where VLDL migrates • lipid cargo of LDL and HDL • predominant component in HDL • protein carrier of fatty acids • ...
Chemistry is Awesome!!! 2022-05-26
Across
- the strongest base has a pH of what?
- protons + neutrons give what number to an atom?
- what element is in period 4, group 2 of the periodic table?
- atoms with the same atomic number but have different mass numbers are called what?
- when an acid and base are added together it is called a what type of reaction?
- how many electrons can fit in the first electron shell?
- which subatomic particle has no charge at all?
- on a pH scale 7 is neutral, when it is below 7, what is it called?
- what small group sits between metals and non-metals on the periodic table?
- when an acid and base react they generally produce water and a ?
- combustion and oxidisation reactions involve which element?
- what element has the atomic number 105?
- the atomic number tells you how many protons are in an atom, this is also equal to the number of what?
Down
- all matter is made up of?
- electrons are found outside the nucleus in orbitals or?
- the number of protons in an atom gives what number?
- which subatomic particle is found in the nucleus of an atom with neutrons?
- electrons have this kind of charge
- a periodic table is organised in periods and?
- helium and neon are non-reactive and are in what 'gas' group?
- which element has the symbol H?
- pure substances that cannot be broken down into any other substance are called?
- what element has the symbol Ga?
- in a chemical reaction you need reactants to form a what?
- covalent and ionic are both forms of chemical what?
25 Clues: all matter is made up of? • which element has the symbol H? • what element has the symbol Ga? • electrons have this kind of charge • the strongest base has a pH of what? • what element has the atomic number 105? • a periodic table is organised in periods and? • which subatomic particle has no charge at all? • protons + neutrons give what number to an atom? • ...
Unit 5 chemistry 2022-05-29
Across
- gas liquids or solid
- a liquid that became a solid
- cylinder the thing you use to measure the volume of the water
- to act in some sort of way
- something that describes how hot or cold it is
- has a fixed shape fixed volume
- measures the heat of the liquid
- water vapor produced when water boils
- fixed volume takes the shape of the container theyre in
- take the shape of its container
- to pass something from one place to another
Down
- liquid to solid
- cold
- tiny particles
- no fixed shape or volume
- to get larger
- very small pieces of matter that everything is made of
- ideas to explain evidence
- liquid to gas temperature below boiling point
- The curve on the surface of the liquid
- of state one state changing to a different state
- liquid to gas
- has to liquid
- solid to liquid
- shake or move forward or backward repeatadly
- vapour and invisible gas
26 Clues: cold • to get larger • liquid to gas • has to liquid • tiny particles • liquid to solid • solid to liquid • gas liquids or solid • no fixed shape or volume • vapour and invisible gas • ideas to explain evidence • to act in some sort of way • a liquid that became a solid • has a fixed shape fixed volume • measures the heat of the liquid • take the shape of its container • ...
Chemistry crossword puzzle 2022-05-29
Across
- good conductors of electricity
- transition of molecules from the liquid phase to vapor phase
- state of matter with a stable fixed shape
- electron where oxidation occurs
- condensable gas
- particle in the atomic nucleus that has a mass of 1 and a charge of 0
- finished result of a chemical reaction
- reactant starting material for a chemical reaction
- number of electrons associated with an atom or a group of atoms is increased
- is represented by the element Na
- a group of atoms bonded together
- when heat is given out
Down
- describes a system containing water
- loss of electrons by an atom, molecule or ion in a chemical reaction
- movement of fluid from higher concentration to lower concentration
- when heat is taken in
- any substance that cannot be decomposed into simpler substances by ordinary chemical processes
- a subatomic particle found in the nucleus of every atom
- yellow-colored transition metal with element symbol Au
- horizontal row of the periodic table
- able to be shaped or pounded with a hammer, usually applied to metals
- electrode where reduction occurs
22 Clues: condensable gas • when heat is taken in • when heat is given out • good conductors of electricity • electron where oxidation occurs • is represented by the element Na • a group of atoms bonded together • electrode where reduction occurs • describes a system containing water • horizontal row of the periodic table • finished result of a chemical reaction • ...
grade 6e chemistry 2022-05-29
Across
- a scale
- ph 6-1
- summary
- earths outer layer
- being eroded by wind, water, or other natural agents
- a long and distinct period of history.
- solid liquid gas
- a person who studies rocks
- from water to gas
- lightest element
- 2 things combined
- over 100 substances
Down
- lasted 289 million years
- remains of a dead organism millions of years ago
- earths inner layer
- gas to liquid
- transported from its source and deposited in water.
- ph 7
- ph 8-13
- liquid to gas
- questioning what will happen
- the 2nd element
22 Clues: ph 7 • ph 6-1 • a scale • summary • ph 8-13 • gas to liquid • liquid to gas • the 2nd element • solid liquid gas • lightest element • from water to gas • 2 things combined • earths inner layer • earths outer layer • over 100 substances • lasted 289 million years • a person who studies rocks • questioning what will happen • a long and distinct period of history. • ...
My Chemistry Puzzle 2022-05-17
Across
- The mass of a water molecule
- numerically equal to its formula mass.
- polyatomic ions that contain oxygen.
- has an oxidation number of –1 in all its compounds because it is the most electronegative element.
- usually has an oxidation number of –2.
- An ionic compound composed of a cation and the anion from an acid
- is numerically equal to its molar mass, so a compound’s molecular formula can also be found given the compound’s empirical formula and its molar mass.
- is often useful to know the percentage by mass of a particular element in a chemical compound.
- is a certain type of molecular compound.
- are bound together in a group and carry a characteristic charge.
- is usually the compound’s empirical formula for ionic compounds.
- is the actual formula of a molecular compound.
Down
- is the sum of the average atomic masses of all atoms represented in its formula.
- are acids that contain hydrogen, oxygen,and a third element (usually a nonmetal).
- To distinguish the ions formed by such elements.
- showing the smallest whole-number mole ratio of the different atoms in the compound.
- Shows how the atoms in each ion are bonded together.
- compounds composed of two elements
- indicates the relative number of atoms of each kind in a chemical compound.
- has an oxidation number of +1 in all compounds containing elements that are more electronegative than it but has an oxidation number of –1 with metals.
- are acids that consist of two elements,usually hydrogen and a halogen.
- consists of the symbols for the elements combined in a compound, with
- can be assigned to atoms in order to keep track of electron distributions in molecular as well as ionic compounds.
- involves combining the names of the compound’s positive and negative ions.
24 Clues: The mass of a water molecule • compounds composed of two elements • polyatomic ions that contain oxygen. • numerically equal to its formula mass. • usually has an oxidation number of –2. • is a certain type of molecular compound. • is the actual formula of a molecular compound. • To distinguish the ions formed by such elements. • ...
My Chemistry Puzzle 2022-05-17
Across
- is usually the compound’s empirical formula for ionic compounds.
- is often useful to know the percentage by mass of a particular element in a chemical compound.
- polyatomic ions that contain oxygen.
- is numerically equal to its molar mass, so a compound’s molecular formula can also be found given the compound’s empirical formula and its molar mass.
- is a certain type of molecular compound.
- involves combining the names of the compound’s positive and negative ions.
- consists of the symbols for the elements combined in a compound, with
- indicates the relative number of atoms of each kind in a chemical compound.
- An ionic compound composed of a cation and the anion from an acid
- can be assigned to atoms in order to keep track of electron distributions in molecular as well as ionic compounds.
- To distinguish the ions formed by such elements.
Down
- is the actual formula of a molecular compound.
- showing the smallest whole-number mole ratio of the different atoms in the compound.
- Shows how the atoms in each ion are bonded together.
- has an oxidation number of +1 in all compounds containing elements that are more electronegative than it but has an oxidation number of –1 with metals.
- are acids that consist of two elements,usually hydrogen and a halogen.
- numerically equal to its formula mass.
- compounds composed of two elements
- The mass of a water molecule
- are acids that contain hydrogen, oxygen,and a third element (usually a nonmetal).
- is the sum of the average atomic masses of all atoms represented in its formula.
- are bound together in a group and carry a characteristic charge.
- usually has an oxidation number of –2.
- has an oxidation number of –1 in all its compounds because it is the most electronegative element.
24 Clues: The mass of a water molecule • compounds composed of two elements • polyatomic ions that contain oxygen. • numerically equal to its formula mass. • usually has an oxidation number of –2. • is a certain type of molecular compound. • is the actual formula of a molecular compound. • To distinguish the ions formed by such elements. • ...
My Chemistry Puzzle 2022-05-17
Across
- compounds composed of two elements
- is often useful to know the percentage by mass of a particular element in a chemical compound.
- are bound together in a group and carry a characteristic charge.
- usually has an oxidation number of –2.
- are acids that consist of two elements,usually hydrogen and a halogen.
- To distinguish the ions formed by such elements.
- are acids that contain hydrogen, oxygen,and a third element (usually a nonmetal).
- indicates the relative number of atoms of each kind in a chemical compound.
- consists of the symbols for the elements combined in a compound, with
- is usually the compound’s empirical formula for ionic compounds.
- The mass of a water molecule
- An ionic compound composed of a cation and the anion from an acid
- is numerically equal to its formula mass.
- involves combining the names of the compound’s positive and negative ions.
- is numerically equal to its molar mass, so a compound’s molecular formula can also be found given the compound’s empirical formula and its molar mass.
Down
- is a certain type of molecular compound.
- is the actual formula of a molecular compound.
- Shows how the atoms in each ion are bonded together.
- showing the smallest whole-number mole ratio of the different atoms in the compound.
- can be assigned to atoms in order to keep track of electron distributions in molecular as well as ionic compounds.
- has an oxidation number of +1 in all compounds containing elements that are more electronegative than it but has an oxidation number of –1 with metals.
- has an oxidation number of –1 in all its compounds because it is the most electronegative element.
- is the sum of the average atomic masses of all atoms represented in its formula.
- polyatomic ions that contain oxygen.
24 Clues: The mass of a water molecule • compounds composed of two elements • polyatomic ions that contain oxygen. • usually has an oxidation number of –2. • is a certain type of molecular compound. • is numerically equal to its formula mass. • is the actual formula of a molecular compound. • To distinguish the ions formed by such elements. • ...
My Chemistry Puzzle 2022-05-17
Across
- are bound together in a group and carry a characteristic charge.
- compounds composed of two elements.
- The mass of a water molecule.
- can be written given the identities of the compound’s ions.
- has an oxidation number of +1 in all compounds containing elements that are more electronegative than it but has an oxidation number of –1 with metals.
- is the sum of the average atomic masses of all atoms represented in its formula.
- An ionic compound composed of a cation and the anion from an acid.
- Ions formed from a single atom.
- are identified simply by the element’s name.
- showing the smallest whole-number mole ratio of the different atoms in the compound.
- usually has an oxidation number of –2.
- has an oxidation number of –1 in all its compounds because it is the most electronegative element.
- is numerically equal to its formula mass.
- consists of the symbols for the elements combined in a compound.
Down
- are acids that consist of two elements,usually hydrogen and a halogen.
- Shows how the atoms in each ion are bonded together.
- are acids that contain hydrogen, oxygen,and a third element (usually a nonmetal).
- is usually the compound’s empirical formula for ionic compounds.
- indicates the relative number of atoms of each kind in a chemical compound.
- To distinguish the ions formed by such elements.
- involves combining the names of the compound’s positive and negative ions.
- is often useful to know the percentage by mass of a particular element in a chemical compound.
- is numerically equal to its molar mass, so a compound’s molecular formula can also be found given the compound’s empirical formula and its molar mass.
- polyatomic ions that contain oxygen.
- is a certain type of molecular compound.
- the total numbers of positive charges and negative charges must be equal.
- can be assigned to atoms in order to keep track of electron. distributions in molecular as well as ionic compounds.
- is the actual formula of a molecular compound.
28 Clues: The mass of a water molecule. • Ions formed from a single atom. • compounds composed of two elements. • polyatomic ions that contain oxygen. • usually has an oxidation number of –2. • is a certain type of molecular compound. • is numerically equal to its formula mass. • are identified simply by the element’s name. • is the actual formula of a molecular compound. • ...
My Chemistry Crossword :) 2022-05-17
Across
- atoms of the same element that have different masses
- the study of most carbon containing compounds
- describes mathematically the wave properties of electrons and other very small particles
- refers to the bending of a wave as it passes by the edge of an object through a small opening
- is a measure of the gravitational pull on matter
- is generally carried out to solve a problem
- the best chemistry teacher
- the measure of the quantity of matter
- in a measurement consist of all the digits known with certainty plus one final digit, which is somewhat uncertain or is estimated.
- the study of properties and changers of matter and their relation to energy
- smallest particle of an element that still holds the chemical properties of the element
- the number of waves that pass a given point in a specific time, usually one second
- a particle of electromagnetic radiation having zero mass and carrying a quantum of energy
- refers to the closeness of a set of measurements of the same quantity made in the same way
- the superscript indicates the mass number and the subscript indicates the atomic number
- a ratio derived from the equality between two different units that can be use to convert from one unit to the other
- use of mathematics and computers to understand observed chemical behavior and predict the properties of new compounds
- the study of non organic substances many of which have organic fragments bounded to metals
Down
- an element that is a good electrical conductor
- the study of composition, structure, and properties of matter.
- an element that is a poor electrical conductor
- any substance that has a definite composition
- is a specific portion of matter in a given region of space that has been selected for a study during an experiment or observation
- occurs when waves overlap
- is carried out for the sake of increasing knowledge
- the ratio of mass to volume
- the identification of the components and composition of materials
- an element that has some characteristics of both metal and non metal
- the distance between corresponding points on adjacent waves
- is calculated by subtracting the accepted value from the experimental value, dividing the difference by the accepted value, then multiplying by 100
- the total number of protons and neutrons that make up the nucleus of an isotope
- an approach to solving problems by collecting data, forming and testing hypotheses and formulating theories supported by data
- using senses to obtain data
- the mass number is written with a hyphen after the name of the element
- is the number of protons of each atom of that element
- a small region located at the center of an atom
- the amount of space occupied by an object
- the study of substances and processes occurring in living things
- refers to the closeness of measurements to the correct or accepted value of the quantity measured.
39 Clues: occurs when waves overlap • the best chemistry teacher • the ratio of mass to volume • using senses to obtain data • the measure of the quantity of matter • the amount of space occupied by an object • is generally carried out to solve a problem • the study of most carbon containing compounds • any substance that has a definite composition • ...
My Chemistry Puzzle 2022-05-19
Across
- is numerically equal to its molar mass, so a compound’s molecular formula can also be found given the compound’s empirical formula and its molar mass.
- is a certain type of molecular compound.
- involves combining the names of the compound’s positive and negative ions.
- can be written given the identities of the compound’s ions.
- can be assigned to atoms in order to keep track of electron. distributions in molecular as well as ionic compounds.
- has an oxidation number of +1 in all compounds containing elements that are more electronegative than it but has an oxidation number of –1 with metals.
- are acids that consist of two elements,usually hydrogen and a halogen.
- are acids that contain hydrogen, oxygen,and a third element (usually a nonmetal).
- An ionic compound composed of a cation and the anion from an acid.
- consists of the symbols for the elements combined in a compound.
- is usually the compound’s empirical formula for ionic compounds.
- polyatomic ions that contain oxygen.
- To distinguish the ions formed by such elements.
- Ions formed from a single atom.
- showing the smallest whole-number mole ratio of the different atoms in the compound.
Down
- Shows how the atoms in each ion are bonded together.
- The mass of a water molecule.
- is the sum of the average atomic masses of all atoms represented in its formula.
- has an oxidation number of –1 in all its compounds because it is the most electronegative element.
- is numerically equal to its formula mass.
- is often useful to know the percentage by mass of a particular element in a chemical compound.
- is first in the name because it is less electronegative than fluorine
- usually has an oxidation number of –2.
- the total numbers of positive charges and negative charges must be equal.
- indicates the relative number of atoms of each kind in a chemical compound.
- a molecule of the compound contains two arsenic atoms.
- are bound together in a group and carry a characteristic charge.
- is the actual formula of a molecular compound.
- compounds composed of two elements.
- are identified simply by the element’s name.
30 Clues: The mass of a water molecule. • Ions formed from a single atom. • compounds composed of two elements. • polyatomic ions that contain oxygen. • usually has an oxidation number of –2. • is a certain type of molecular compound. • is numerically equal to its formula mass. • are identified simply by the element’s name. • is the actual formula of a molecular compound. • ...
Chemistry Final Review 2022-05-19
Across
- the distance from peak to peak
- changing writing with abbreviations and symbols
- CnH2(2n-2)
- CnH2(n)+2
- an organic compound consisting of hydrogen and carbon
- diagrams that show the bonding between atoms of a molecule as well as lone pairs of electrons
- the row going across the periodic table
- uniform throughout
- a thoroughly tested explanation for what is observed
- an atom with a charge
- identify the name of NH4
- what is "oh"
- if a solid is formed from 2 aqueous solutions that are mixed
- one of two sub-atomic particles that are found in the nucleus
- a measure of the concentration of a chemical species (sowl and solution)
- one of two sub-atomic particles that are found in the nucleus
- CnH2(n)
- the distance from nucleus of an atom to outer ring
- the amount of matter
- is "electron sharing"
Down
- speeds up a reaction without a chemical change
- what is HCl
- how many peaks pass a point in a period of time
- relationship between the relative quantities of substances taking part in a reaction or forming a compound
- 6.02x10^23 in one mole
- a substance dissolved in another substance
- row going down the periodic table
- O2 is this
- two elements put together
- three-dimensional arrangement of the atoms that shape a molecule
- study of matter & energy & materials of the universe
- mathematical function describing the location and wave like behavior of an electron in an atom
- Has the same molecular formula but a different molecular structure
- the construction of complex chemical compounds from simpler ones.
- is "electron stealing"
- the mass in grams of one mole of a substance
- the physical laws that describe the properties of gases (Charles & Boyles laws)
- a negatively charged ion. (non-metals) "ide"
- a positively charged ion. (metals do this)
- C3H8
- a chemical property that describes the tendency of an atom or a functional group to attract electrons toward itself
41 Clues: C3H8 • CnH2(n) • CnH2(n)+2 • CnH2(2n-2) • O2 is this • what is HCl • what is "oh" • uniform throughout • the amount of matter • an atom with a charge • is "electron sharing" • 6.02x10^23 in one mole • is "electron stealing" • identify the name of NH4 • two elements put together • the distance from peak to peak • row going down the periodic table • the row going across the periodic table • ...
Chemistry in Action 2025-02-07
Across
- A group of elements which lose 2 valence electrons during chemical bonding.
- Materials which donate OH- ions in aqueous solution.
- The relative amount of matter in one atom of a given element (Hint: 2 words).
- A group of elements which are very stable and unreactive.
- A state where particles are able to slide past each other, incompressible, able to flow.
- A group of elements which lose electrons, are malleable & ductile, good conductors of heat and electricity.
- Often called the “planetary model” of atom structure.
- A group of elements which generally gain electrons, are brittle solids, vary in state and reactivity.
- Whole numbers placed in front of elements/compounds/molecules within a chemical equation.
- Changing the coefficients of a reaction until reactant and product atoms are equal.
- One or more material/s which undergo rearrangement of atoms to form new entities.
- A group of elements which may lose or gain 4 valence electrons during chemical bonding.
- A group of elements which have 5 valence electrons in atoms and form -3 ions.
- All of these elements have 3 valence electrons in their atoms and form +3 ions.
- A group of elements which are very stable and unreactive.
- All of these elements have 6 valence electrons in their atoms and form -2 ions.
- A group of elements which are generally arranged in order of increasing atomic mass moving to the right.
- Charged particles.
- A bunch of elements with similar characteristic properties.
- Group B elements, tend to lose 1 or more electron/s during chemical bonding, good conductors.
- Subatomic particles with a mass of 1amu, no charge, and are found in the atom’s nucleus.
- Elements which have some characteristic properties of metals and nonmetals.
- Use of chemical symbols to represent compounds, molecules, or atoms within chemical equations.
Down
- A group of elements which have 1 valence electron as atoms and form +1 ions.
- Materials which donate H+ ions in aqueous solution.
- A whole number used to represent the number of protons in an atom.
- Positively charged particles.
- A statement of all reactant and product atoms/molecules/compounds involved in a reaction.
- A group of elements which generally gain 1 valence electron during chemical bonding.
- Subatomic particles with a mass of 1/2000amu, a – charge, and are found moving fast outside the nucleus.
- A phrase used to represent ion charge or oxidation number of an atom.
- Examples include: solids, liquids, gases, and plasma.
- A state where particles are moving very fast, have lots of space between particles, very compressible, flow.
- Whole numbers placed to the lower right of an ion to represent the number of atoms present.
- Atoms with the same number of protons but different numbers of neutrons.
- A law stating that mass of reactants is equal to mass of products.
- When all particles are balanced in terms of equal numbers of + and – charges.
- A state where particles are only able to vibrate slightly around a fixed point, incompressible, flow very slowly.
- The outermost energy level which determines the level of reactivity of an atom.
- Subatomic particles with a mass of 1amu, a + charge, and are found in the atom’s nucleus.
- A vertical column on the periodic table of elements.
- Negatively charged particles.
42 Clues: Charged particles. • Positively charged particles. • Negatively charged particles. • Materials which donate H+ ions in aqueous solution. • Materials which donate OH- ions in aqueous solution. • A vertical column on the periodic table of elements. • Often called the “planetary model” of atom structure. • Examples include: solids, liquids, gases, and plasma. • ...
chemistry comes alive 2024-09-13
Across
- Anything that has mass and takes up space
- negative logarithm of the hydrogen ion concentration in moles per liter
- Study of chemical compositions and reactions of living matter
- Energy directly involved in moving matter
- Proton donor
- A state of balance among all body systems needed for survival
- Smallest particle of a compound having characteristics of the compound
- the building blocks of protein
- substance that resist or minimize pH change
- Nucleic acid that acts as a messenger for DNA In protein synthesis
- Energy that is inactive due to being stored
- Energy Energy stored in bonds of chemical substances
- Combustion of reactants to form a single product
- Energy required to break bonds of reactants and form products
- Measure of how readily a substance undergo chemical reaction
- Water forms a resilient layer around body organs
- Proton acceptor
- Splitting of water molecule to break down compound
- composed of two or more substances physically combined
- Molecule upon which an enzyme acts
- Compound with regions of positive and negative as a result of bonding with atoms such as nitrogen, oxygen and or sulfur
- Polymers of simple sugars linked by dehydration synthesis
- heterogenous mixtures with large, often visible solutes that tend to settle out.
- group of molecules that includes sugars and starches, represent 1–2% of cell mass
- Cell/Body energy currency
- The capacity to do work
- Solute particles are larger than solution, scatters light and do not settle
Down
- A fluid bilayer of lipids in which proteins are inserted
- Breaking single reactants into two or more products
- small organic molecule that helps enzymes function
- 3 fatty acid chain linked to a glycerol backbone
- Single chain of sugar containing three to seven carbon atoms
- Subatomic particle with negative electric charge
- protein Linear sequence of amino acids composing its polypeptide chain
- Diverse lipids chiefly derived from a 20-carbon fatty acid bound in the cell membranes
- Whip like motile cellular extension
- Energy relationship between the electrons of the reacting atoms
- Protein that acts as a catalyst in biological reaction
- Region of space surrounding the nucleus occupied by atoms
- complete active part of an enzyme that consist of its protein parts apoenzymes.
- Two or more different kinds of atom bonded together
- Double membrane barrier separated by fluid filled space
- Cellular region between the nuclear and plasma membrane.
- Substances that increase rate of rxn without being consumed
- homogenous mixtures of components that may be gases, liquids, or solids.
- Species formed from chemical reactions
- Ionic compound containing cations other than H+ and anions other than hydroxyl ions
- Protein component of an enzyme
- Substances that undergo change during a chemical reaction
- Characterized by long non polar hydrocarbon chains or rings
- Molecule that carries genetic information
51 Clues: Proton donor • Proton acceptor • The capacity to do work • Cell/Body energy currency • the building blocks of protein • Protein component of an enzyme • Molecule upon which an enzyme acts • Whip like motile cellular extension • Species formed from chemical reactions • Anything that has mass and takes up space • Energy directly involved in moving matter • ...
lukes chemistry crossword 2024-09-23
Across
- has 104 protons
- has 91 protons
- has 1 proton
- has 25 protons
- has 89 protons
- has 32 protons
- has 74 protons
- has 72 protons
- has 54 protons
- has 33 protons
- has 46 protons
Down
- has 78 protons
- has 49 protons
- has 109 protons
- has 8 protons
- has 3 protons
- has 15 protons
- has 10 protons
- has 85 protons
- has 18 protons
- has 41 protons
- has 96 protons
- has 19 protons
- has 34 protons
- has 50 protons
25 Clues: has 1 proton • has 8 protons • has 3 protons • has 78 protons • has 49 protons • has 91 protons • has 15 protons • has 25 protons • has 89 protons • has 10 protons • has 85 protons • has 32 protons • has 74 protons • has 72 protons • has 18 protons • has 54 protons • has 41 protons • has 33 protons • has 96 protons • has 19 protons • has 34 protons • has 50 protons • has 46 protons • has 104 protons • has 109 protons
Chemistry Crossword Puzzle 2024-09-27
Across
- includes helium, krypton, neon, and more
- distance between wave crests
- the letter representation of an element
- the smallest part of an element
- type of charged particle
- lowest amount of frequency
- highest amount of frequency
- type or structure that deals with the valence electrons
- horizontal row on the periodic table
- positively charged particle
- positively charged item of the nucleus
- type of diagram that has up and down arrows
- number of waves that pass a certain point per unit of time
- chemical substance that cannot be broken down
Down
- theory that all substances are composed of atoms
- number of protons in the nucleus of an atom
- where protons and neutrons stay
- the whole arrangement of elements
- same protons different neutrons
- outer layer of electrons
- negatively charged particle
- negatively charged item in a nucleus
- vertical row on the periodic table
- total number of protons and neutrons in the nucleus of an atom
- neutral charge in a nucleus
25 Clues: outer layer of electrons • type of charged particle • lowest amount of frequency • negatively charged particle • highest amount of frequency • positively charged particle • neutral charge in a nucleus • distance between wave crests • where protons and neutrons stay • same protons different neutrons • the smallest part of an element • the whole arrangement of elements • ...
Chemistry of Life 2024-09-25
Across
- The smallest unit of matter is _.
- Neutrons and Protons are found in an atom's _.
- In a solution the _ is the dissolving agent.
- Two or more atoms held together by covalent bonds form a __.
- A _ is a positive sub-particle from the nucleus of an atom
- When 2 ions of opposite charges attract each other, an _ bond forms
- A_ is a subatomic particle with no electrical charge
- _ is anything that occupies space and has mass
- Variant forms of an element with different numbers of neutrons are called _.
- An _ is a charged atom or molecule
Down
- Weak bonds between water molecules are called _ bonds.
- Electrons are shared unevenly in a _ covalent bond.
- There are 92 naturally occurring _.
- A _ accepts H+ ions and removes them from the solution.
- A _ contains 2 or more elements in a fixed ratio.
- A _ is a liquid containing a uniforming mixture of substances.
- The cohesion of water molecules is responsible for surface _.
- A _ bond is formed when 2 nonmetal atoms share electrons.
- Acid__ is caused by pollutants that combine with water in the air.
- An_ is a subatomic particle that circles an atom nucleus.
- An _ donates H+ ions to solutions.
- is the tendency of water to molecules to stick together.
22 Clues: The smallest unit of matter is _. • An _ donates H+ ions to solutions. • An _ is a charged atom or molecule • There are 92 naturally occurring _. • In a solution the _ is the dissolving agent. • Neutrons and Protons are found in an atom's _. • _ is anything that occupies space and has mass • A _ contains 2 or more elements in a fixed ratio. • ...
chemistry chapter 2 2024-09-25
Across
- The number representing the number of molecules
- Takes the shape of its container, molecules packed closely together
- Anything that takes up space and has mass
- The law of thermodynamics stating that the closer a tempurature reaches to absolute zero, the more entropy in a system becomes a constant
- Makes up the periodic table
- Thermal Energy
- The law of thermodynamics stating that heat will always flow from a warm place to a cold place
- has no definite shape or volume, moves rapidly
- __________________ of mass and energy
- Reaction that releases heat
- mixture made up of the same kind of substance
Down
- Substances bonded together on a chemical level
- Color, shape, states of matter
- 0 degrees Celcius
- The change from either a solid or liquid to a gas
- Energy in motion
- The theoretical temperature represented by 0K
- Change on a chemical level
- A solid to a gas
- A group of atoms bonded together
20 Clues: Thermal Energy • Energy in motion • A solid to a gas • 0 degrees Celcius • Change on a chemical level • Makes up the periodic table • Reaction that releases heat • Color, shape, states of matter • A group of atoms bonded together • __________________ of mass and energy • Anything that takes up space and has mass • The theoretical temperature represented by 0K • ...
Chemistry Comes Alive 2024-09-13
Across
- Any element or compound that is equal to its atomic weight or molecular weight weighed out in grams.
- The measure of hydrogen ion concentration of a solution (in moles per liter).
- This is a modified simple sugar (a sugar alcohol).
- These are single-chain or single-ring structures containing from three to seven carbon atoms.
- Synthesis The acid group of one amino acid is bonded to the amine group of the next, with the loss of a water molecule.
- A long double stranded polymer -a double chain of nucleotides.
- Substances that increase the rate of a chemical reactions without themselves becoming chemically changed or part of the product.
- These are heterogeneous mixtures, which means that their composition is dissimilar in different areas of the mixture.
- The most abundant and important inorganic compound in living matter.
- These are unique substances that cannot be decomposed into simpler substances by ordinary chemical methods.
- Ion An important base in the body, that is particularly abundant in the blood.
- These have the same molecular formula, their atoms are arranged differently and giving them different chemical properties.
- Structure The sequence of amino acids that forms a polypeptide chain.
- A type of globular proteins that act as biological catalyst.
- These have a sour taste, can react with many metals and burn a hole in your rug.
- Acids Composed of carbon, oxygen hydrogen, nitrogen and phosphorus, are the largest molecules in the body.
- Energy These are energy that travels in waves.
- This has a bitter taste that feels slippery and are proton acceptors, that is they take up hydrogen ions (H+) in detectable amounts.
- Bases This easily dissociates easily in water and quickly ties up H+.
- These have the same number of protons and electrons but differ in the number of neutrons they contain.
- These are diverse lipids chiefly derived from 20-carbon fatty acid (arachidonic acid) found in all membranes.
- These are substances composed of two or more components physically intermixed.
- The capacity to do work or to put matter into motion.
- These are heterogeneous mixtures with large, often visible solutes that tend to settle out.
- Bonds A chemical bond between atoms is formed by the transfer of one or more electrons from one atom to the other.
- This is called the energy of action.
Down
- Structure Two or more polypeptide chains, each with their own tertiary structure combine to form a functional protein.
- A combination of two or more atoms held together by chemical bonds
- Energy The amount of energy needed to break the bonds of the reactants so they can rearrange themselves and become the product.
- Acids These are the building blocks of protein molecules.
- The storage of carbohydrates formed by plants.
- These are polymers of simple sugars linked together by dehydration synthesis.
- A group of molecules that includes sugars and starches.
- These are homogeneous mixtures of components that may be gases, liquids or solids.
- Anything that can occupies space and has mass
- Peptide bonds linking amino acids together are broken when water is added to the bond.
- These are insoluble in water but dissolve readily in other lipids and in organic solvents such as alcohol and ether.
- This mixture has the same composition or makeup throughout.
- Single strands of nucleotides.
- This is found in cell membranes and is the raw material for synthesis of vitamin D, steroid hormones and bile salts.
- A type of energy which results from the movement of charged particles.
- Flat molecules made of four interlocking hydrocarbon rings.
- Living cells are extraordinarily sensitive to even slight changes in the pH of the environment.
- Number An atom is the sum of the masses of its protons and neutrons.
- The process of atomic decay.
- This is formed when two monosaccharides are joined by dehydration synthesis.
- The universal energy compound of body cells.
- This is the substance on which enzymes act.
- The study of chemical composition and reactions of living matter.
- An ionic compound containing cations other than H+ and anions other than the hydroxy ion.
- Reaction This occurs when a molecule is broken down into smaller molecules or its constituent atoms.
51 Clues: The process of atomic decay. • Single strands of nucleotides. • This is called the energy of action. • This is the substance on which enzymes act. • The universal energy compound of body cells. • Anything that can occupies space and has mass • The storage of carbohydrates formed by plants. • Energy These are energy that travels in waves. • ...
Chemistry Comes Alive 2024-09-10
Across
- the storage carbohydrate formed by plants (pg.43)
- the substance present on the greatest amount (pg. 29)
- stored energy (pg. 24)
- homogeneous mixtures of components that may be gases, liquids, or solids(pg.29)
- - the study of the chemical composition and reactions of living matter (pg.38)
- chemical bond that involves the sharing of electrons to form electron pairs between atoms (pg.32)
- - proton acceptors; they take up hydrogen ions in detectable amounts. (pg. 39)
- a substance that increases the rate of reaction, but can be recovered, unchanged at the end
- A combination of two or more atoms held together by a chemical bond (pg. 28)
- regions around the nucleus in which a given electron or electron pair is likely to be found. (pg.26)
- the substance present in the smallest amount (pg.29)
- a chemical bond between atoms formed by the transfer of one or more electrons from one atom to the other is (pg.32)
- The tendency of an atom in a molecule to attract the shared pair of electrons towards itself. (pg.34)
- sum of the atomic weights of the elements or compound (pg.29)
- when two or more atoms of the same element are chemically bind together, they form a_____ (pg.28)
- - chainlike molecules made of many similar units (monomers), joined together by dehydration synthesis (pg.42)
- a salt is an electrically neutral chemical compound consisting of cations and anions connected by an ionic bond (pg. 39)
- – the ability to put matter into motion. (pg. 24)
- this type of energy is stored in the bonds of chemical substances (pg.24)
- a group of molecules that contain sugars and starches. (pg. 43)
- unique substances that cannot be broken down into simpler substances by ordinary chemical methods.
- – energy in motion (pg. 24)
- a single chain structure containing 3-7 carbon atoms. (pg.43)
- modified triglycerides. (pg.47)
- substances that conduct an electrical current in solution (pg. 39)
- the type of reaction when energy is released (pg.37)
Down
- – the process of atomic decay (pg. 28)
- heterogenous mixtures with large visible solutes that tend to mix out (pg.30)
- - large arrays of cations and anions held together by ionic bonds(pg.32)
- - polymers of simple sugars linked together by dehydration synthesis
- The substance on which an enzyme act (pg.52)
- The time required for a radioisotope to lose one-half of its activity (pg.28) - 2 words
- the process when atoms or molecules form a larger, more complex molecule (pg.36)
- - a common waste product of protein breakdown in the body (pg.40)
- a substance that releases hydrogen ions in detectable amounts. (pg.39)
- -Radioactive isotopes of an element is called a (pg.28)
- chemical systems that regulate homeostasis of acid base balance. (pg.41)
- with the same number of protons but differing numbers of neutrons.(pg.27)
- structural units of nucleic acids (pg. 53)
- energy directly involved in moving matter (pg.24)
- proteins that act as biological catalysts (pg.51)
- – the type of energy that results from the movement of charged particles. (pg.24)
- Substance composed of two or more component physically intermixed (pg. 29)
- a translucent mixture of tiny particles dispersed in another medium (pg.30)
- the products of energy-absorbing in a reaction (pg.37)
- Solution concentrations are typically designated in terms of percent or (pg.40)
- formed when two monosaccharides are joined by dehydration synthesis (pg.43)
- – the center of an atom containing protons and neutrons (pg.25)
- the storage carbohydrate of animal tissues (pg.43)
- – anything that occupies space and has a mass. (pg. 24)
- - an atom’s outermost energy level (pg.31)
51 Clues: stored energy (pg. 24) • – energy in motion (pg. 24) • modified triglycerides. (pg.47) • – the process of atomic decay (pg. 28) • structural units of nucleic acids (pg. 53) • - an atom’s outermost energy level (pg.31) • The substance on which an enzyme act (pg.52) • the storage carbohydrate formed by plants (pg.43) • energy directly involved in moving matter (pg.24) • ...
Chemistry Comes Alive 2024-09-10
Across
- the storage carbohydrate formed by plants (pg.43)
- the substance present on the greatest amount (pg. 29)
- stored energy (pg. 24)
- homogeneous mixtures of components that may be gases, liquids, or solids(pg.29)
- - the study of the chemical composition and reactions of living matter (pg.38)
- chemical bond that involves the sharing of electrons to form electron pairs between atoms (pg.32)
- - proton acceptors; they take up hydrogen ions in detectable amounts. (pg. 39)
- a substance that increases the rate of reaction, but can be recovered, unchanged at the end
- A combination of two or more atoms held together by a chemical bond (pg. 28)
- regions around the nucleus in which a given electron or electron pair is likely to be found. (pg.26)
- the substance present in the smallest amount (pg.29)
- a chemical bond between atoms formed by the transfer of one or more electrons from one atom to the other is (pg.32)
- The tendency of an atom in a molecule to attract the shared pair of electrons towards itself. (pg.34)
- sum of the atomic weights of the elements or compound (pg.29)
- when two or more atoms of the same element are chemically bind together, they form a_____ (pg.28)
- - chainlike molecules made of many similar units (monomers), joined together by dehydration synthesis (pg.42)
- a salt is an electrically neutral chemical compound consisting of cations and anions connected by an ionic bond (pg. 39)
- – the ability to put matter into motion. (pg. 24)
- this type of energy is stored in the bonds of chemical substances (pg.24)
- a group of molecules that contain sugars and starches. (pg. 43)
- unique substances that cannot be broken down into simpler substances by ordinary chemical methods. (pg.25)
- – energy in motion (pg. 24)
- a single chain structure containing 3-7 carbon atoms. (pg.43)
- modified triglycerides. (pg.47)
- substances that conduct an electrical current in solution (pg. 39)
- the type of reaction when energy is released (pg.37)
Down
- – the process of atomic decay (pg. 28)
- heterogenous mixtures with large visible solutes that tend to mix out (pg.30)
- - large arrays of cations and anions held together by ionic bonds(pg.32)
- - polymers of simple sugars linked together by dehydration synthesis
- The substance on which an enzyme act (pg.52)
- The time required for a radioisotope to lose one-half of its activity (pg.28) - 2 words
- the process when atoms or molecules form a larger, more complex molecule (pg.36)
- - a common waste product of protein breakdown in the body (pg.40)
- a substance that releases hydrogen ions in detectable amounts. (pg.39)
- -Radioactive isotopes of an element is called a (pg.28)
- chemical systems that regulate homeostasis of acid base balance. (pg.41)
- with the same number of protons but differing numbers of neutrons.(pg.27)
- structural units of nucleic acids (pg. 53)
- energy directly involved in moving matter (pg.24)
- proteins that act as biological catalysts (pg.51)
- – the type of energy that results from the movement of charged particles. (pg.24)
- Substance composed of two or more component physically intermixed (pg. 29)
- a translucent mixture of tiny particles dispersed in another medium (pg.30)
- the products of energy-absorbing in a reaction (pg.37)
- Solution concentrations are typically designated in terms of percent or (pg.40)
- formed when two monosaccharides are joined by dehydration synthesis (pg.43)
- – the center of an atom containing protons and neutrons (pg.25)
- the storage carbohydrate of animal tissues (pg.43)
- – anything that occupies space and has a mass. (pg. 24)
- - an atom’s outermost energy level (pg.31)
51 Clues: stored energy (pg. 24) • – energy in motion (pg. 24) • modified triglycerides. (pg.47) • – the process of atomic decay (pg. 28) • structural units of nucleic acids (pg. 53) • - an atom’s outermost energy level (pg.31) • The substance on which an enzyme act (pg.52) • the storage carbohydrate formed by plants (pg.43) • energy directly involved in moving matter (pg.24) • ...
Chemistry Vocab ◇♧ 2024-10-01
Across
- _____ is the grouping of sublevels
- Charge of the nucleus.
- Amount of heat absorbed in a reaction
- Observation scale that does not require magnification
- An ______ is when there is a different number of Nuetrons than Protons
- Configuration describe where electrons are located around the nucleus of an atom
- Observation that require magnefication
- Mesure of average kinetic energy in particles of matter
- Invented the Gold Foil experiment to study absorption.
- ______ is the chemical reaction in which energy is released
- The ___ law of thermodynamics which states that Energy can not be created or destroyed
- An _____ is the loss or gain of one or more electrons
- Distance between crests on a wave.
Down
- An ____ is the intake of energy during a chemical reaction
- ______ electrons sit on the outer most rings on an atom
- introduced atomic theory. (last name)
- _____ is when the warmer part of a gas or liquid rises as the colder parts fall
- Study of changes in energy during a chemical reaction
- _____ on the periodic table decide how many rings there are on an atom.
- ______ is when heat moves through another object through physical contact
- ____ energy is in the objects motion
- _____ Energy is stored in a system.
- flow; Rate of which heat moves from one subject to another.
- The capacity to move, do work, change matter, or produce heat
- Heat waves are admitted and absorbed through the waves.
25 Clues: Charge of the nucleus. • _____ is the grouping of sublevels • Distance between crests on a wave. • _____ Energy is stored in a system. • ____ energy is in the objects motion • introduced atomic theory. (last name) • Amount of heat absorbed in a reaction • Observation that require magnefication • Observation scale that does not require magnification • ...
Falling Into Chemistry 2023-12-15
Across
- The force exerted by a gas per unit surface area.
- A subatomic particle found in the nucleus with no electric charge.
- A reaction where one element takes the place of another element in a compound.
- A basic process in which substances undergo change to form different substances.
- A law stating that pressure of a gas is inversely proportional to its volume at constant temperature.
- Smallest unit of a chemical element.
- Negatively charged subatomic particle orbiting the nucleus.
- The law that describes the relationship between the temperature, volume, and pressure of a gas.
- The amount of space that a substance or object occupies.
- A unit of measurement for substances in chemistry based on the number of entities in a sample.
- Digitally meaningful figures in a measurement.
- The measure of the quantity of product formed in a reaction.
- A law that describes how gases expand when heated at constant pressure.
- Analysis The process of using units to solve problems involving measurements.
- The quantitative relationship between reactants and products in a chemical reaction.
- The state in which both reactants and products are present in concentrations that have no further tendency to change with time.
- The loss of electrons or an increase in oxidation state by a molecule, atom, or ion.
- A group of atoms bonded together.
- The number representing the amount of units in one mole of substance.
- Decay The process by which a nucleus emits particles or energy.
- Atoms of the same element with different numbers of neutrons.
- The area around the nucleus of an atom where electrons are likely to be found.
Down
- A reaction where ions are exchanged between two compounds forming new compounds.
- The systematic examination of data to determine principles and outcomes.
- The gain of electrons or a decrease in oxidation state by a molecule, atom, or ion.
- The mass of one mole of a substance.
- A substance that takes part in and undergoes change during a reaction.
- The time it takes for half of a radioactive substance to decay.
- The principle stating that matter is not created or destroyed during a chemical reaction.
- A statistical distribution of speeds of particles in a gas.
- A substance formed as a result of a chemical reaction.
- A reaction in which one element or compound replaces another in a compound.
- A reaction where a fuel combines with oxygen, releasing heat and light.
- A chemical reaction in which a single compound breaks down into two or more simpler products.
- Energy possessed by an object due to its motion.
- The reagent that is completely consumed in a chemical reaction and limits the amount of product.
- A preliminary explanation for a phenomenon used as a basis for further investigation.
- A chemical reaction where two or more simple substances combine to form a more complex product.
- Positively charged subatomic particle in the nucleus.
- A model that describes the behavior of gases in terms of particles in motion.
40 Clues: A group of atoms bonded together. • The mass of one mole of a substance. • Smallest unit of a chemical element. • Digitally meaningful figures in a measurement. • Energy possessed by an object due to its motion. • The force exerted by a gas per unit surface area. • Positively charged subatomic particle in the nucleus. • ...
Matter and Chemistry 2023-12-05
Across
- a substance that cannot be broken down into a smaller substance
- the electrons in atoms outermost electron shell
- an uncharged atomic particle that is a negative in the inside of a nucleus
- a mixture that the composition is not uniform throughout the mixture
- a particle with a positive electrical charge
- it equals to the number of protons in the nucleus and the electrons
- the central area of the atom
- the temperature at which a given solid material changes from a solid state to a liquid or melts
- has a definite volume but doesn't have a definite shape
- a table with chemical elements organized by atomic numbers
- the total amount of mass in the nucleus
Down
- a row of chemical elements
- a particle that has a negative charge of electricity and travels around a nucleus of an atom, no charge
- No fixed volume,molecules are far apart and move around a lot
- material formed by chemically bonding two or more chemical elements
- anything that takes up space
- has a definite shape and volume and molecules closely packed together
- the temperature at which the vapor pressure is equal to the pressure of the gas above it
- the vertical columns
- a mixture in which the composition is uniform throughout the mixture
- something that dissolves in fluids.
- a physical combination of two or more substances that aren't chemically joined
- a particle of matter that uniquely defines a chemical element
23 Clues: the vertical columns • a row of chemical elements • anything that takes up space • the central area of the atom • something that dissolves in fluids. • the total amount of mass in the nucleus • a particle with a positive electrical charge • the electrons in atoms outermost electron shell • has a definite volume but doesn't have a definite shape • ...
Chemistry of Life 2023-12-05
Across
- long chains of repeating units
- Ribonucleic acids
- Means Equally charged
- The subatomic particle with a Negative charge
- Sugars and Starches
- A gas typically used in balloons
- The reason why some bugs can skid across the water
- Fats and oils
- the center of an atom
Down
- The subatomic particle with a neutral charge
- Build and repair muscle tissues
- The subatomic particle with a positive charge
- Means Oppositely charged
- An Element with the atomic number 6
- A food example of Carbohydrates
- Small molecules containing C (carbon)
- The basic unit of matter
- The molecule(s) that carries genetic information
- A food example of protein
- Known as the "helper" protein molecule
20 Clues: Fats and oils • Ribonucleic acids • Sugars and Starches • Means Equally charged • the center of an atom • Means Oppositely charged • The basic unit of matter • A food example of protein • long chains of repeating units • Build and repair muscle tissues • A food example of Carbohydrates • A gas typically used in balloons • An Element with the atomic number 6 • ...
vocabulary chemistry angel 2023-12-11
Across
- a chemical bond in which three pairs of electrons are shared between two atoms.
- a combination of chemical symbols and numbers to represent a substance
- a formula that indi-cates the location of the atoms,groups,or ions relative to one another in a molecule and that indi-catesthe number and location of chemical bonds
- a structural formula in which electrons are represented by dots; dot pairs or dashes between two atomic symbols represent pairs in covalent bonds
- a group of atoms that are held together by chemical forces; a molecule is the smallest unit of matter that can exist by itself and retain all of a substance’s chemical properties
- the energy required to break the bonds in 1 mol of a chem-ical compound
- a compound com-posed of ions bound together by electrostatic attraction
- a chemical com-pound whose simplest units are mol-ecules
- a chemical bond that involves the sharing of electrons to form electron pairs between atoms.
- the attractive force that holds atoms or ions together
- type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound.
Down
- when atoms with different electronegativities share electrons in a covalent bond
- the collection of atoms corresponding to an ionic com-pound’s formula such that the molar mass of the compound is the same as the mass of 1 mol of formula units
- a chemical formula that shows the number and kinds of atoms in a molecule, but not the arrangement of the atoms
- an ion made of two or more atoms
- an electron-configuration notation in which only the valence electrons of an atom of the a particular element are shown, indicated by dots placed around the element’s symbol
- the bonding in molecules or ions that cannot be correctly rep-resented by a single Lewis structure
- a type of chemical bond that is formed when electrons are shared equally between two atoms
- a chemical bond in which one pair of electrons is shared between two atoms.
- a chemical bond in which two pairs of electrons are shared between two atoms.
20 Clues: an ion made of two or more atoms • the attractive force that holds atoms or ions together • a chemical com-pound whose simplest units are mol-ecules • a combination of chemical symbols and numbers to represent a substance • the energy required to break the bonds in 1 mol of a chem-ical compound • ...
Chemistry of Life 2023-12-05
Across
- what goes into a chemical reaction
- attachment
- component
- has low melting and boiling points
- found in the cell nucleus
- Fe
- weak and easily broken
- barrier
- speed up a reaction
- blood vessels
Down
- atoms; negatively or positively charged
- H20 when water molecules interact less with each other.
- connecting
- maintaining a stable_____ is very important for your health.
- stable
- released energy
- absorbed
- speed up metabolism
- study of organisms
- nucleic acid
20 Clues: Fe • stable • barrier • absorbed • component • connecting • attachment • nucleic acid • blood vessels • released energy • study of organisms • speed up metabolism • speed up a reaction • weak and easily broken • found in the cell nucleus • what goes into a chemical reaction • has low melting and boiling points • atoms; negatively or positively charged • ...
Principles of chemistry 2023-12-11
Across
- elements which do no react to form compounds nor diatomic molecules
- a substance made up of 2 different elements chemically bonded together
- the tendency of an element to form a compound
- a compound which breaks down to release oxygen
- a -2 charge group which can decompose to release carbon dioxide
- a toxic green gas which bleaches damp blue litmus paper white
- very reactive metals which react with water to form an alkali solution
- method used to remove water to form crystals
- the compound formed when sodium reacts with oxygen
- element in group 2 period 4
- the gas formed when calcium carbonate is thermally decomposed
Down
- a gas which reignites a glowing splint
- method used to separate an insoluble solid from a liquid
- a solid which cannot be dissolved
- a group 7 elements
- a solid which can be dissolved
- a gas which makes a squeeky pop when tested with a lighted splint
- a clear solution which turns cloudy when carbon dioxide is bubbled through it
- method used to separate different colour inks/ colours
- separating method used to separate mixtures based on their boiling points
- a -2 charge group made of sulfur and oxygen
21 Clues: a group 7 elements • element in group 2 period 4 • a solid which can be dissolved • a solid which cannot be dissolved • a gas which reignites a glowing splint • a -2 charge group made of sulfur and oxygen • method used to remove water to form crystals • the tendency of an element to form a compound • a compound which breaks down to release oxygen • ...
Chemistry of Cells 2023-10-24
Across
- fatty acids with no carbon-carbon double bonds
- enzymes, hemoglobin, insulin and antibodies among others
- fatty acids with two or more carbon-carbon double bonds
- a chain of monomers
- DNA, RNA and ATP
- stores genetic information in the nucleus
- polysaccharide found in rice, potatoes, and bread
- glucose, fructose and galactose
- sugar and starches
- monosaccharide that makes up polysaccharides
Down
- bond between two amino acids in a protein
- weak bond between two water molecules
- supplies energy to do work in cells
- digestion of polymers into monomers that requires water
- synthesis that combines two monomers and produces water
- building block of proteins
- fats, oils, and waxes
- a disaccharide found in milk of mammals
- a disaccharide that is found in plants
- organic molecules must contain this element as well as hydrogen
- building block of nucleic acids
21 Clues: DNA, RNA and ATP • sugar and starches • a chain of monomers • fats, oils, and waxes • building block of proteins • building block of nucleic acids • glucose, fructose and galactose • supplies energy to do work in cells • weak bond between two water molecules • a disaccharide that is found in plants • a disaccharide found in milk of mammals • ...
Chemistry A Review 2023-11-07
Across
- Helium nucleus that comes out of the nucleus of a large atom
- formed from delocalized valence electrons that hold the metal atoms in place
- Change that properties of the material change but the identity doesnt
- Form an extended three dimensional array of alternating cations and anions
- Same element with same atomic number with different neutrons
- During a chemical reaction the mass of reactions equals mass of products
- Table that shows information about the elements
- Study of earth and the rocks that make it up
- Periodic group that has physical and chemical properties of both metals and non metals
- Has mass and takes up space
- Positive charge
- Energy out of the nucleus
- Diagram that shows the orbital spin
- Rule that states that electrons will spread out to fill all orbitals
- Group 18
- Group 1
- A group of atoms with a charge
- Group 2
- Studing the greater understanding of the theories behind how matter is changing
- Number of protons in an element
- Group 3
Down
- Beggining of chem
- Can be seen, touched, and directly measured
- Study of motion and forces
- Group 17
- Chemical bond that results from sharing the valence electrons
- A compound always contains the same elements in the same proportion by mass
- Characteristic of a substance that can be observed or measured without changing the substance
- High speed electron from the nucleus
- Changes the identity of the substance or makes new substance
- Neutral charge
- Small particles that make up matter
- Mixture of metals
- The weighted average of all isotopes of an element
- Studies directed toward a specific goal or application
- Electron force that hols ions together
- Negative charge
- Study of the compostion of matter and the changes it undergoes
- Total of protons and neutrons in an element
- Study of living things
40 Clues: Group 1 • Group 2 • Group 3 • Group 17 • Group 18 • Neutral charge • Positive charge • Negative charge • Beggining of chem • Mixture of metals • Study of living things • Energy out of the nucleus • Study of motion and forces • Has mass and takes up space • A group of atoms with a charge • Number of protons in an element • Small particles that make up matter • Diagram that shows the orbital spin • ...
Chemistry of Life 2023-10-09
Across
- Substances produced by cells that prevent sharp, sudden changes in pH
- Parts of the mixture are unevenly mixed
- Any compound that forms H+ ions in a solution
- A molecule that is positive on one end and negative on the other end
- Holds together the atoms that compose compounds
- Composed of many molecules of sugar bonded together
- Formed when electrons are shared between atoms
- Substance that does the dissolving
- Composed of two molecules of sugar bonded together
- Attraction between molecules of the same substance
- Compounds made up of carbon, hydrogen and oxygen in a ratio of 1:2:1
Down
- Substance composed of two or more elements or compounds that are physically mixed together but not chemically combined
- Substance that is dissolved
- Chemical combination of two or more elements in definite proportion
- A pure substance consisting of ally the same type of atom
- Mixture of water and undissolved materials
- Contain one molecule of sugar
- Stringy, fibrous material found in the cell wall of plants
- Measurement system used to indicate the concentration of "H" ions in a solution
- Made from thousands of smaller molecules
- Formed when one or more electrons are transferred from one atom to another
- Parts of the mixture are evenly mixed
- Attraction between molecules of a different substance
- The basic unit of matter
- Any compound that forms OH- ions in a solution
25 Clues: The basic unit of matter • Substance that is dissolved • Contain one molecule of sugar • Substance that does the dissolving • Parts of the mixture are evenly mixed • Parts of the mixture are unevenly mixed • Made from thousands of smaller molecules • Mixture of water and undissolved materials • Any compound that forms H+ ions in a solution • ...
CHEMISTRY EX CR 2024-01-24
Across
- outermost shell of an atom
- the energy associated with electrons
- being polar
- bundles of light
- hybrid valence bonds
- one body around another
- Particle in the nucleus
- solvent added to a solution
- two atoms
- equation to solve a problem
- name of the element Au
- relating to an atom
- positive charge
- negative charge
- matter in a substance
- redistribution of energy
Down
- ability to attract electrons
- sharing of an electron
- elements bonded together
- not equal
- equal
- six atoms
- no charge
- ion containing more than 1 atom
- energy required to move an electron
- Atomic structure physicist.
- predicts molecular shapes
- smallest component of an element
- lowest point of a structure
- transfer of an electron
30 Clues: equal • not equal • six atoms • two atoms • no charge • being polar • positive charge • negative charge • bundles of light • relating to an atom • hybrid valence bonds • matter in a substance • sharing of an electron • name of the element Au • one body around another • Particle in the nucleus • transfer of an electron • elements bonded together • redistribution of energy • predicts molecular shapes • ...
Chemistry Vocab Crossword 2024-01-29
Across
- When something is made up of two or more different things
- When an element can have multiple forms
- A substance made by mixing other substances together
- When something is made up of one uniform thing
- Substance A substance made up of only one type of particle
- How compact a substance is
- Figures The digits that hold value in a number
- Descriptive information
- A method that is used to answer questions you might have
- A prediction on why something happens
- The amount of heat something can hold
- bonds The different types of bonds that hold atoms together
- A change that results in a new structure
Down
- The coldest temperature possible
- Information that is statistical or numerical
- The process of releasing heat
- A change that keeps the same structure before and after
- A way of writing small and large numbers
- A curve that shows the property of something at different temperatures
- The process of absorbing heat
20 Clues: Descriptive information • How compact a substance is • The process of releasing heat • The process of absorbing heat • The coldest temperature possible • A prediction on why something happens • The amount of heat something can hold • When an element can have multiple forms • A way of writing small and large numbers • A change that results in a new structure • ...
Fundamentals of Chemistry 2024-01-24
Across
- not reactive elements
- element series 90-103
- number, the number of protons in nucleus
- elements series 58-71
- atomic mass unit
- horizontal row in periodic table
- groups 3-12
- group 17, combine easily w/ other elements
- an atom that has pos. or neg. electric charge
- positively charged particle in nucleus
- atom releases energy stablizes nucleus
- where an electron could be if measured
Down
- reactive metals than group 1, group 2
- the central region of an atom
- element that has opposite prop. of metal
- neg. charged particle
- atom with diff. # neutrons than a. of same elem.
- element with prop. of both metals and non-metals
- vertical column in periodic table
- very reactive metals, group one
- particle with no electric charge
- change # of protons the element changes
- grows bigger than atom when it gains electrons.
- smaller than atom when it loses electrons
- element that is good conducter of electricity
25 Clues: groups 3-12 • atomic mass unit • not reactive elements • element series 90-103 • elements series 58-71 • neg. charged particle • the central region of an atom • very reactive metals, group one • horizontal row in periodic table • particle with no electric charge • vertical column in periodic table • reactive metals than group 1, group 2 • positively charged particle in nucleus • ...
Unit 2 Chemistry 2024-01-22
Across
- may be observed in a chemical reaction
- techniques for separating the components
- energy that comes from motion
- conversion of a liquid into vapor
- substance is at its melting/freezing point
- substance that can be broken down
- chemical reaction
- a gas changes into a solid
- Non uniform composition
- property of matter which reflects quantity of energy
- from liquid or solid state to gaseous phase
- condensing
- Material composed of two or more simpler substances
- characteristics of a substance that can be observed
Down
- same proportions in a given sample
- transition from solid to a gas
- form of matter is altered 1 thing stays the same
- absorbs heat
- the energy stored in atoms
- phase change of matter that results in a soolid
- separates solid particles from to liquid/gas.
- A form of matter that has a specific composition
- Releases heat
- chemical substance that cannot be broken down
24 Clues: condensing • absorbs heat • Releases heat • chemical reaction • Non uniform composition • a gas changes into a solid • the energy stored in atoms • energy that comes from motion • transition from solid to a gas • conversion of a liquid into vapor • substance that can be broken down • same proportions in a given sample • may be observed in a chemical reaction • ...
Chapter 8 Chemistry 2024-01-19
Across
- an acid that contains both a hydrogen atom and an oxyanion.
- The force between two oppositely charged ends of two polar molecules
- a process in which atomic orbitals mix and form new, identical hybrid orbitals.
- Electrons of the outermost shell of an atom
- a common example of a strong network solid comprised of Carbon and is known as a girl's best friend
- a covalent bond that shares electrons equally
- a molecule that is 107 degrees
- another common example of a strong network solid comprised of Silicon and Oxygen
- the group of atoms that have the optimum number of valence electrons
- the tendency for an atom of a given chemical element to attract shared electrons when forming a chemical bond
Down
- Bond where electrons are shared
- a model used to predict 3-D molecular geometry
- A "Bond" that is due to the strong dipole-dipole force of Hydrogen being attracted to either fluorine, oxygen, or nitrogen atom on another dipole.
- a molecule that is 109 degrees
- a molecule that is 105 degrees
- a molecule that is 180 degrees
- dots or a line are used to symbolize a single covalent bond
- stable negatively charged subatomic particle
- the unequal sharing of electrons
- a molecule that is 120 degrees
- When two or more atoms are bonded
- a lasting attraction between atoms or ions
22 Clues: a molecule that is 109 degrees • a molecule that is 105 degrees • a molecule that is 180 degrees • a molecule that is 120 degrees • a molecule that is 107 degrees • Bond where electrons are shared • the unequal sharing of electrons • When two or more atoms are bonded • a lasting attraction between atoms or ions • Electrons of the outermost shell of an atom • ...
Basic chemistry puzzle 2024-09-13
Across
- Atoms combining to form chemical compounds and bring stability to the resulting product.
- The mutual sharing of one or more pairs of electrons between two atoms.
- The bond formed by the complete transfer of valence electron to attain stability.
- A gaseous, liquid or solid mixture that has the same proportions of its components throughout a given sample.
- Molecules that do not have any electrical charges or partial charges.
- The tendency of an atom to attract electrons in a molecule.
- The number of particles in 1 mole (or mol) of a substance.
- Regions surrounding the atomic nucleus containing a specific number of electrons.
- The smallest part of a substance that cannot be broken down chemically.
- A chemical substance that cannot be broken down into other substances by chemical reactions.
- A type of heterogeneous mixture where solid particles do not dissolve in a liquid solution.
- The total number of protons and neutrons in an atom.
- The energy that is possessed by an object due to its motion or due to its position.
- Atoms with the same number of protons but different numbers of neutrons.
- Subatomic particle with a neutral charge.
- A mixture in which very small particles of one substance are distributed evenly throughout another substance.
- A unit of measurement that is the amount of a pure substance containing the same number of chemical units.
- A state of matter in which the particles are far apart, fast-moving and not organised in any particular way.
- A state of matter with particles closely packed.
- Subatomic particles with a positive electrical charge.
- The total weight of an atom.
- An unstable form of a chemical element that releases radiation as it breaks down and becomes more stable.
- Any substance, usually liquid, which is capable of dissolving one or several substances, thus creating a solution.
- The sum of the weights of the individual atoms that make up the molecule.
- Electrically positive protons and electrically neutral neutrons held together by the strongest known fundamental force.
- A set of quantum states of the negatively charged electrons trapped in the electrical field generated by the positively charged nucleus.
- The ability to do work.
- A substance made from two or more different elements that have been chemically joined.
- particles Subatomic particle that is emitted from the nucleus of an atom during radioactive decay.
Down
- The outermost shell of any atom.
- Polar molecules are molecules that have a dipole or an uneven distribution of charge across their geometry resulting in one side being positive and the other side negative.
- The starting materials in a reaction that undergo a chemical change to form a product.
- A unit of concentration expressed as the number of moles of dissolved solute per liter of solution.
- Energy that travels in waves and spans a broad spectrum from very long radio waves to very short gamma rays.
- The number of protons in a nucleus.
- The smallest particle of a substance that has all of the physical and chemical properties of that substance.
- rays A form of electromagnetic radiation similar to X-rays emitted from an excited nucleus.
- A mixture is a combination of two or more pure substances in which each pure substance retains its individual chemical properties.
- A homogeneous mixture of one or more solutes dissolved in a solvent.
- Composite particles consisting of two protons and two neutrons tightly bound together.
- A substance that is being dissolved.
- Subatomic particle with a negative charge.
- Energy stored in the bonds of chemical compounds.
- The tendency of an atom to donate electrons and form positively charged cations.
- The movement of electrically charged particles.
- A state of matter which takes the shape of its container.
- states that atoms are most stable when their outermost shell is filled with 8 electrons.
- Negatively charged ions.
- Positively charged ions.
- the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
- Anything that has mass and takes up space
51 Clues: The ability to do work. • Negatively charged ions. • Positively charged ions. • The total weight of an atom. • The outermost shell of any atom. • The number of protons in a nucleus. • A substance that is being dissolved. • Subatomic particle with a neutral charge. • Anything that has mass and takes up space • Subatomic particle with a negative charge. • ...
Chemistry Study Guide 2024-09-13
Across
- a usually reversible change, such as change is size or shape
- a mixture that has different properties in different regions of the mixture
- a mixture that looks the same throughout
- Controlled process of answering a question or solving a problem
- characteristic of a substance that can change without the substance becoming a different substance
- one of the three states of matter; has no definite shape or volume
- Mathematical description of a phenomena in the universe that is observable and provable
- characteristic that describes the ability of a substance to change to a different substance
- one of the three states of matter; has a fixed shape and volume
- A substance that contains more than one type of atom (ex: CH4) chemically combined
- the study of matter; the science of materials and the changes that these materials undergo
- a property of matter that does NOT change as the amount of matter changes
- A substance that can be separated by physical means like filtration
Down
- a collection of atoms bonded together that behave as a unit
- An explanation of data and observations that is accepted by most
- a method for separating the components of a liquid mixture that depends on the different boiling points of the substances
- a method for separating the components of a mixture containing a solid that is NOT dissolved in a liquid
- the change of substances into other substances through the reorganization of atoms; a chemical reaction
- a homogenous mixture
- an extremely detailed view of a very small area; can’t be seen by the naked eye
- visible to the naked eye; relating to large-scale or general analysis
- A substance that only contains one type of atom OR one type of molecule
- a property of matter that changes as the amount of matter changes
- one of the three states of matter; has a definite volume that takes the shape of the container
- a mixture of elements that has metallic properties
- Anything that has mass and takes up space
- A substance that contains only one type of atom (ex: Al)
- the fundamental unit of which elements are composed
28 Clues: a homogenous mixture • a mixture that looks the same throughout • Anything that has mass and takes up space • a mixture of elements that has metallic properties • the fundamental unit of which elements are composed • A substance that contains only one type of atom (ex: Al) • a collection of atoms bonded together that behave as a unit • ...
Chemistry Advanced Crossword 2024-09-27
Across
- Electron found in the outermost energy ring
- The table of elements
- Negatively charged ion
- Conducts heat efficiently
- The measurement of mass used for atoms
- Atom with an electrical charge
- Heat transfer via waves
- A stable element with 8 valence electrons- ie. helium
- Positively charged ion
- A symbol made up of 1-3 letters to represent an element
- Does not conduct heat very well
- Positively charged subatomic particle
- Protons + neutrons = ...
- Negatively charged subatomic particle
Down
- Heat transfer via movement
- Measurement of temperature represented by "F"
- Measurement of temperature represented by "K"
- Represents protons in an element
- Subatomic particle with no charge
- An equal state that all atoms attempt to reach
- Heat transfer via touch
- Unreachable theoretical state of no atomic movements
- Basic unit of matter
- Measurement of temperature represented by "C"
- Found in the center of the atom, contains protons & neutrons
25 Clues: Basic unit of matter • The table of elements • Negatively charged ion • Positively charged ion • Heat transfer via touch • Heat transfer via waves • Protons + neutrons = ... • Conducts heat efficiently • Heat transfer via movement • Atom with an electrical charge • Does not conduct heat very well • Represents protons in an element • Subatomic particle with no charge • ...
Chemistry definition crossword 2024-09-27
Across
- The lowest frequency and longest wavelength of the EM Spectrum
- 6.626x10^-34
- electrons that are in the outermost shell or energy level.
- Transfer of heat by electromagnetic waves
- Absolute zero
- Study of energy changes that happen during chemical reactions
- Atoms of the same element with different numbers of neutrons
- Charged particle
- A type of reaction that absorbs heat
- The weighted average of all the naturally occurring isotopes of that element
- Transfer of heat by fluid motions of materials
- 3.0x10^8
- The capacity to move, do work, change matter, or produce heat.
- A neutral subatomic unit that is in the nucleus
Down
- Thermal equilibrium
- Determines the identity of an element
- The electron arrangement in an atom
- A type of reaction that releases heat
- Energy is neither created or destroyed
- Flow of heat between objects by contact
- Smallest part of an element that maintains the properties of that element
- The energy of an object's motion
- A measure of disorder in a system
- A negative subatomic unit that is in the electron cloud
- Energy stored in chemical bonds
25 Clues: 3.0x10^8 • 6.626x10^-34 • Absolute zero • Charged particle • Thermal equilibrium • Energy stored in chemical bonds • The energy of an object's motion • A measure of disorder in a system • The electron arrangement in an atom • A type of reaction that absorbs heat • Determines the identity of an element • A type of reaction that releases heat • Energy is neither created or destroyed • ...
Bonding Crossword (Chemistry) 2024-11-21
Across
- Bond between metal and a nonmetal
- Type of covalent bond where electronegativities are different
- Covalent prefix for 6
- Structures that show molecules drawn out
- Covalent prefix for 9
- Metals that can have more than one charge
- Negative Ion
- What a nonmetal and a nonmetal do with their electrons in a covalent bond
- Rule that states that all atoms want 8 electrons
- Electrons on the outermost shell, used in bonding
Down
- Bond between two metals
- Covalent prefix for 2
- What ions have that attract each other
- Bond between a nonmetal and a nonmetal
- Positive ion
- Covalent prefix for 8
- Ion with more than one atom
- Negative subatomic particle
- Positive subatomic particle
- Type of covalent bond when the difference in electronegativity is low or 0
20 Clues: Positive ion • Negative Ion • Covalent prefix for 2 • Covalent prefix for 6 • Covalent prefix for 8 • Covalent prefix for 9 • Bond between two metals • Ion with more than one atom • Negative subatomic particle • Positive subatomic particle • Bond between metal and a nonmetal • What ions have that attract each other • Bond between a nonmetal and a nonmetal • ...
Chemistry Glossary Terms 2024-11-14
Across
- When a liquid becomes a solid
- When a gas becomes a solid
- When something gets smaller
- Stays the same shape/size
- Can something be squished or changed shape
- How much of something there is
- Anything that takes up space
- Movement of particles from areas of high concentration to low concentration
- When something gets bigger
- The state of matter where particles vibrate
- When a liquid becomes a gas
- When a solid becomes a gas
Down
- The mass of an object compared to its volume
- The state of matter where particles slide past each other
- A substance that is not a solid, liquid or gas
- When a solid becomes a liquid
- All matter is made up of these
- The state where a liquid bubbles and starts to evaporate
- When a gas becomes a liquid
- The state of matter that can be compressed
20 Clues: Stays the same shape/size • When a gas becomes a solid • When something gets bigger • When a solid becomes a gas • When something gets smaller • When a gas becomes a liquid • When a liquid becomes a gas • Anything that takes up space • When a liquid becomes a solid • When a solid becomes a liquid • All matter is made up of these • How much of something there is • ...
chemistry cross word 2025-03-25
Across
- rule which atoms will gain or lose electrons to become isoelectronic to a noble gas
- sharing of electrons
- mad up of multiple atoms
- horizontal rows on periodic table
- everything that takes up space
- a transfer of electrons which one gains and one loses electrons
- bonds where the electrons are shared equally
- the number to the top left of the element on the periodic table
- the amount of matter in something
Down
- the number below the element on the periodic table
- the tendency for the atoms of the element to attract electrons
- bonds where the electrons are shared unequally
- group 17 elements
- made up of a single atom
- the study of how matter interacts
- negative ion
- positive ion
- electrons in the outermost energy level
- vertical columns of periodic table
- an atom or group of atoms that has a positive or negative charge
20 Clues: negative ion • positive ion • group 17 elements • sharing of electrons • made up of a single atom • mad up of multiple atoms • everything that takes up space • the study of how matter interacts • horizontal rows on periodic table • the amount of matter in something • vertical columns of periodic table • electrons in the outermost energy level • ...
Chemistry crossword puzzle 2025-05-07
Across
- ______metals any of the six chemical elements that make up Group 1 (Ia) of the periodic table
- there are ____ blocks on the periodic table
- is a group of highly reactive nonmetal elements in group 17 of the periodic table
- there are ___________ groups in the periodic table
- ____metals metallic elements that serve as a bridge, or transition, between the two sides of the periodic table.
- the basic unit of matter and the smallest particle that retains the chemical properties of an element.
- chemical element, often lustrous, hard, and malleable, that is a good conductor of heat and electricity.
- is the amount of space a three-dimensional object occupies
- a subatomic particle that has a negative charge
- is a silver-white soft waxy ductile element of the alkali metal group with atomic number 11 that
Down
- a chemical element; it has symbol C and atomic number 6.
- equals the mass of the substance divided by its volume
- __________number 6.023 X 1023
- is a unit of measurement that is the amount of a pure substance containing the same number of chemical units
- is the process by which an unstable atomic nucleus loses energy by radiation
- are substance with a defined chemical composition, meaning it's always made up of the same components.
- is a branch of natural science that deals principally with the properties of substances, the changes they undergo, and the natural laws that describe these changes.
- there are ______ periods in the periodic table
- a naturally occurring metal found in the earth's crust and can be toxic to humans and animals.
- Gases are a group of elements in Group 18 of the periodic table
20 Clues: __________number 6.023 X 1023 • there are ____ blocks on the periodic table • there are ______ periods in the periodic table • a subatomic particle that has a negative charge • there are ___________ groups in the periodic table • equals the mass of the substance divided by its volume • a chemical element; it has symbol C and atomic number 6. • ...
Chemistry So Far 2025-04-08
Across
- Horizontal rows on the periodic table.
- Elements that are brittle, dule, and poor conductors of electricity.
- Elements that are hard, shiny, and good conductors of electricity.
- A change that does not change a substance's chemical composition.
- Properties that can only be observed by changing the chemical composition of the substance.
- A substance made of two or more different types of elements.
- A moderately reactive group of metals.
- Is not matter, but can cause a change in matter.
- A change that does change a substance's chemical composition.
- Vertical columns on the periodic table.
- A nonreactive group of nonmetals.
- A positively charged subatomic particle that is found in the nucleus of an atom.
- A pure substance that cannot be broken down into simpler substances.
- The small, dense, centre of an atom.
Down
- Average weight of an atom.
- The special element.
- The electrons in the outermost energy shell.
- A negatively charged subatomic particle that orbits the nucleus of an atom.
- Is equal to the number of protons and electrons.
- Elements that have properties of both metals and nonmetals.
- A highly reactive group of metals.
- A highly reactive group of nonmetals.
- Mr. McPhee's favourite element.
- Properties that can be observed without chemically changing the substance.
- The outermost energy shell in a Bohr model.
- A neutral subatomic particle found in the nucleus of an atom.
- The father of the periodic table.
27 Clues: The special element. • Average weight of an atom. • Mr. McPhee's favourite element. • A nonreactive group of nonmetals. • The father of the periodic table. • A highly reactive group of metals. • The small, dense, centre of an atom. • A highly reactive group of nonmetals. • Horizontal rows on the periodic table. • A moderately reactive group of metals. • ...
Chemistry Quiz 2 2024-04-03
Across
- cows and rice add …. Gas to the atmosphere
- a gas ….. is used to collect measure gas in an experiment
- chemicals that go into a chemical reaction
- makes a squeaky pop when put next to a lit 🔥 splint
- a chemical reaction where the outside environment gets cold afterwards
- when you add two clear solutions together a solid salt is formed
- millions of years ago ……….. caused an atmosphere with mostly carbon dioxide
- in fractional distillation of hydrocarbons, the hydrocarbons with the ….. boiling points condense and form liquids at the bottom of the fractioning tank where it is hottest
- bigger molecules have stronger ……. between them and need higher temperatures to break them (like Velcro)
- form covalent bonds sharing an electron between two of the same element
- discovered electrons and made the plum pudding model
- grew on earth and photosynthesised which added oxygen to the atmosphere
- a solid and a base => a salt and ……….
Down
- biological catalysts
- way of measuring reaction rate when a solid is formed in the reaction
- carbon dioxide turns …. Water cloudy
- ……….. dioxide causes acid rain
- discovered atoms have a central positively charged nucleus which makes up most of the atoms mass
- method of breaking big hydrocarbons into smaller ones
- alkaline metals become …… reactive as you go down the periodic table
- ignites a glowing splint
- discovered electron shells
- a hydrocarbon used as fuel in many forms of transport
- number of electrons halogens have on outside shell
- soot particles are very harmful for people with …..
- this substances put together for a particular use eg paint alloys
- how a line on a graph measuring reaction rate over time looks when a reaction stops happening
- a ….. gradient shows a faster reaction rate
28 Clues: biological catalysts • ignites a glowing splint • discovered electron shells • ……….. dioxide causes acid rain • carbon dioxide turns …. Water cloudy • a solid and a base => a salt and ………. • chemicals that go into a chemical reaction • a ….. gradient shows a faster reaction rate • cows and rice add …. Gas to the atmosphere • ...
S3 Chemistry Revision 2024-03-03
Across
- Solubility of aluminium phosphate
- Ion with a 3+ charge
- Term for irreversible change to an enzyme
- Bond that shares electrons
- Biological catalyst
- A covalent molecule with high mp/bp
- same number of protons but different numbers of neutrons
- Is neither used up or changed
- Bonding that allows conductivity in solution but not solid
- Temperature drops in this type of reaction
- Molecule shape, 3 atoms, not linear
- A substance that dissolves in liquid is said to be this
- Electrons in metals are
- Combining power of an element
- Means to split with electricity
- Atoms that lose an electron are known as
Down
- Electrons are arranged in these
- Shape of graph curve when reaction rate is no longer changing
- Meaning five
- This is released in an exothermic reaction
- Relative atomic mass of zero
- Liquid metal is said to be
- Made of only one type of atom/ion
- Has a RAM of 195 and density of 21.5g cm-3
- Group of metals stored under oil due to reactivity with air
- Anions will move to this electrode in electrolysis
- The speed of a chemical reaction
- Increasing this increases reaction rate
- force between molecules
- Ending means that oxygen is present
- Unreactive gases
- This theory explains why reactions occur
- Bonding in sodium chloride
33 Clues: Meaning five • Unreactive gases • Biological catalyst • Ion with a 3+ charge • force between molecules • Electrons in metals are • Liquid metal is said to be • Bond that shares electrons • Bonding in sodium chloride • Relative atomic mass of zero • Is neither used up or changed • Combining power of an element • Electrons are arranged in these • Means to split with electricity • ...
Chemistry crossword STEM 2024-04-10
Across
- located on the periodic table
- identifies the name of the atom.
- the elements or compound on the left side.
- to describe the types of atoms and their numbers in a molecule or compound
- neutrally charged subatomic particles that are in the nucleus.
- when a new substance is created from other materials.
- multiple of different elements.
- representation of a chemical reaction using symbols.
- elements or compound found on the right side.
- malleable, shiny, conductor of heat and electricity.
- makes an atom (electrons, protons, neutrons.)
Down
- a change in appearance/form.
- a particle of matter that uniquely defines an element.
- dull, not malleable, and brittle.
- determine the reactivity of the atom.
- the electrons encircle the nucleus of the atom in specific allowable paths called orbits.
- how many shells an element has
- a chemical bond formed when two atoms share one or more pairs of valence electrons
- Represented by a coefficient in front of the chemical equation ex:2N
- malleable and brittle, shiny and dull, insulator and conductor.
- in the electron cloud and are negatively charged.
21 Clues: a change in appearance/form. • located on the periodic table • how many shells an element has • multiple of different elements. • identifies the name of the atom. • dull, not malleable, and brittle. • determine the reactivity of the atom. • the elements or compound on the left side. • elements or compound found on the right side. • ...
Intro to Chemistry 2023-03-15
Across
- Chemical capable of restoring pH values to their normal value
- Electrons found in the outer energy level of an atom
- When a solid changes directly into a gas
- When a gas turns directly into a solid
- A pure substance in which two or more different elements are chemically combined
- Mixture in which substances are evenly mixed throughout
- When a gas turns into a liquid
- Molecules in which the electrons are not shared equally resulting in opposite charges on each end of the molecule
- Has a definite shape and volume
- Chemical with a pH of 7
- Change in which the chemical composition stays the same
- Chemical capable of speeding up a reaction without being changed by the reaction
- Chemical that releases hydrogen ions, H+, when dissolved in water, tastes sour, and has a pH below 7
- Chemical that removes hydrogen ions, H+, from water, taste bitter, and have a pH above 7
Down
- Change in which the chemical composition changes and a new substance is produced
- Substances that react during a chemical reaction
- Mixtures in which the separate parts can be easily distinguished
- Substances that are produced during a chemical reaction
- Has a definite volume but takes the shape of its container
- Weak chemical bond formed when a hydrogen atom bonds with an oxygen or nitrogen atoms on another polar molecule
- Specific regions in which electrons orbit the nucleus of an atom
- A pure substance in which all the atoms are the same
- Chemical bond formed when metals and non-metals exchange electrons
- Chemical bond formed when two non-metals share electrons
- Takes both its shape and volume from its container
25 Clues: Chemical with a pH of 7 • When a gas turns into a liquid • Has a definite shape and volume • When a gas turns directly into a solid • When a solid changes directly into a gas • Substances that react during a chemical reaction • Takes both its shape and volume from its container • Electrons found in the outer energy level of an atom • ...
Chemistry & Chemical Safety 2024-03-20
Across
- material that is capable of igniting and burning
- abbreviated O/W emulsion; oil droplets emulsified in water
- alcohols that evaporate easily
- a substance that causes an increase in cellular mutations, some of which are harmful but others which have little or no effect on the body’s function; may cause cancer but not always
- chemical reaction that requires the absorption of energy or heat from an external source for the reaction to occur
- the smallest chemical components (often called particles) of an element
- required by law for all products sold include safety information about products compiled by the manufacturer, including hazardous ingredients, safe use and handling procedures, proper disposal guidelines, and precautions to reduce the risk of accidental harm or overexposure
- a stable, uniform mixture of two or more substances
- a measure of the acidity and alkalinity of a substance
- also known as bases; compounds that react with acids to form salts
- an ingredient that brings two normally incompatible materials together and binds them into a uniform and fairly stable mixture
- an ion with a negative electrical charge
- a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
- the abbreviation used for potential hydrogen.
- the substance that is dissolved in a solution
- abbreviated W/O emulsion; water droplets emulsified in oil
- colorless gas with a pungent odor that is composed of hydrogen and nitrogen
- the simplest form of chemical matter; an element cannot be broken down into a simpler substance without a loss of identity
- an atom or molecule that carries an electrical charge
- chemical reaction that releases a significant amount of heat
- sweet, colorless, oily substance used as a solvent and as a moisturizer in skin and body creams
- abbreviated VOCs; compounds that contain carbon (organic) and evaporate very easily (volatile)
- liquids that are mutually soluble, meaning that they can be mixed together to form stable solutions
- subatomic particles with no charge
- a substance that causes or is believed to cause cancer
Down
- also known as redox; a chemical reaction in which the oxidizing agent is reduced (by losing oxygen) and the reducing agent is oxidized (by gaining oxygen)
- a solution that has a pH below 7
- rapid oxidation of a substance accompanied by the production of heat and light
- a contraction of surface active agents; substances that allow oil and water to mix, or emulsify
- an alpha hydroxy acid used in exfoliation and to lower the pH of products
- molecule containing two or more atoms of the same element in definite (fixed) proportions
- the substance that dissolves the solute and makes a solution
- special type of oil used in hair conditioners, water-resistant lubricants for the skin, and nail polish dryers
- abbreviated AHAs; acids derived from plants (mostly fruit) that are often used to exfoliate the skin
- a chemical combination of matter in definite (fixed) proportions
- an unstable physical mixture of two or more immiscible substances (substances that normally will not stay mixed) plus a special ingredient called an emulsifier
- when acids are mixed with alkalis in equal proportions, balancing the total pH and forming water (H2O) and a salt
- a change in the form or physical properties of a substance without a chemical reaction or the creation of a new substance
- unstable physical mixtures of undissolved particles in a liquid
- substances that should not be mixed or even stored near each other
- a substance that releases oxygen
- a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
- characteristics that can be determined without a chemical reaction and that do not cause a chemical change in the substance
- liquids that are not capable of being mixed together to form stable solutions
- a change in the chemical composition or makeup of a substance
- material that is capable of igniting and burning, and easier to ignite than combustible material
- a solution that has a pH above 7
- characteristics that can be determined only by a chemical reaction and a chemical change in the substance
- the separation of an atom or molecule into positive and negative ions
- subatomic particles with a negative charge
- a very strong alkali used in chemical products and cleaners; commonly known as lye
- alkaline substances used to neutralize acids or raise the pH of many hair products
- easily absorbs moisture; in chemistry terms, capable of combining with or attracting water (water-loving)
- any substance that occupies space and has mass
- subatomic particles with a positive charge
- an ion with a positive electrical charge
- science that deals with the composition, structures, and properties of matter and how matter changes under different conditions
- a chemical combination of two or more atoms in definite (fixed) proportions
58 Clues: alcohols that evaporate easily • a solution that has a pH below 7 • a substance that releases oxygen • a solution that has a pH above 7 • subatomic particles with no charge • an ion with a negative electrical charge • an ion with a positive electrical charge • subatomic particles with a negative charge • subatomic particles with a positive charge • ...
AP Chemistry Vocabulary 2024-03-25
Across
- The minimum amount of energy required to initiate a chemical reaction.
- The process of organizing or categorizing objects or phenomena based on shared characteristics or properties.
- The process of reducing the concentration of a solute in a solution.
- In constant motion or change, often used to describe systems in equilibrium.
- In chemistry, when a substance is present in large quantities or easily available, it's referred to as this.
- The ability of a substance to conduct electricity.
- The measure of the separation of charge in a molecule.
- When two quantities change in opposite directions, such that as one increases, the other decreases
- Allowing light to pass through freely, without significant interference.
- The amount of energy required to break a chemical bond.
- When two variables change together in a predictable way, they are said to be this.
- To recognize or differentiate between two or more objects or phenomena based on their distinct characteristics.
- Weak intermolecular forces between polar molecules.
- To determine or express the quantity or amount of something using numerical values or measurements.
- To propose a tentative explanation for an observed phenomenon based on available evidence.
- To watch or look at something attentively to gain information or insight.
- To handle or control something skillfully or deceptively
- A chemical reaction involving two reactant molecules.
- The distance between the nuclei of two bonded atoms.
- To suggest or put forward a plan, idea, or hypothesis for consideration.
- Chemical reactions where a compound breaks down into simpler substances.
- Chemical equations are considered this when the number of atoms of each element is the same on both sides.
- To release energy or particles into the surroundings.
- To foretell or estimate a future event or outcome based on past data or trends
- To change or alter in form, quality, or magnitude.
- To deduce or conclude something based on evidence or reasoning.
- A distinguishing trait or quality of a substance, often used for identification or classification purposes.
- The ability of a material to be drawn out into a thin wire.
- An equation that relates the rate of a reaction to the concentration of reactants.
- Different forms of the same element, having different molecular structures.
- A specific instance used to illustrate or explain a concept or principle.
- Having the quality of drawing objects together, often used to describe forces in chemistry.
- Remaining in one place without moving, often used to describe equilibrium states.
- A technique used to separate components of a mixture based on their differential affinities for a stationary phase.
- A substance that lacks a defined crystalline structure.
- The range of wavelengths of electromagnetic radiation emitted or absorbed by a substance.
- A theory that explains how chemical reactions occur by focusing on the collisions between reactant molecules.
- To assign a position or level to something based on its value or importance compared to others.
- To assess or judge the value or worth of something based on criteria or standards.
- When something consists of or is composed of certain elements or parts.
- The number of atoms or molecules in one mole of a substance.
- Substances formed when two or more elements chemically combine in fixed ratios.
- A substance that speeds up a chemical reaction without being consumed in the process.
- The principle that energy cannot be created or destroyed, only transformed from one form to another.
- Believable or reasonable based on available evidence or information
- Standards or rules used for evaluation or decision-making in scientific experiments or studies
- Electrons in the inner shells of an atom.
- A scientific law relating the concentration of a substance in a solution to its absorbance of light.
- Happening or occurring at the same time or instant.
- The process of releasing energy or particles, often in the form of light or heat.
- This process involves the uptake of a substance by another material, often seen in chemical reactions or physical phenomena.
- When one substance replaces another in a chemical reaction, it's known as this.
- A substance that can donate a proton in a chemical reaction.
- Proposed by John Dalton, it states that atoms are indivisible and indestructible building blocks of matter.
Down
- The measurement of heat changes in a chemical reaction.
- Intermolecular forces between a polar molecule and a nonpolar molecule.
- To become smaller or decrease in size, often seen in physical changes or reactions.
- The amount of product obtained from a reaction or process.
- A molecule with a separation of positive and negative charges.
- Having the ability to react as both an acid and a base.
- When two or more substances or components act on each other or have an effect on each other.
- A specific order or arrangement of elements or events.
- The movement of liquids through narrow spaces without the assistance of external forces.
- Data or measurements that are expressed as numerical values or quantities
- Numbers placed before chemical formulas to balance chemical equations
- A process in which one or more substances are converted into different substances with different properties.
- When one variable increases, the other variable also increases
- Pairs of acids and bases that differ by one proton.
- When drawing parallels between different chemical concepts or systems to aid understanding, scientists often use this method.
- To implement or utilize scientific principles or theories in practical situations or experiments.
- The spontaneous ionization of water molecules into hydronium and hydroxide ions.
- A substance that can accept a proton in a chemical reaction.
- To explain or understand the meaning or significance of something
- A number or symbol written below and to the right of a chemical symbol to indicate the number of atoms in a molecule.
- The distance from the center of an atom's nucleus to its outermost electron shell.
- To remove confusion or ambiguity by making something clearer or easier to understand.
- A technique used to separate components of a mixture based on differences in boiling points.
- The substance being analyzed or studied in a scientific experiment or process.
- To make an educated guess based on available information or data.
- Based on truth, fact, or logic, often used to describe arguments or conclusions.
- A solution that resists changes in pH when acids or bases are added.
- To suggest or hypothesize a theory or idea, often for consideration or further investigation
- Data or observations that are descriptive rather than numerical in nature
- A law describing the electrostatic interaction between charged particles.
- To move or convey something from one place to another.
- Chemists frequently break down data or substances into smaller parts to understand their nature or composition.
- A unit used to express the mass of atoms and molecules.
- In scientific research, scientists often compare data or phenomena to identify similarities and differences.
- The weighted average mass of atoms in a naturally occurring sample of an element.
- A repeating arrangement or sequence of elements or events
- The size or extent of something, often measured in terms of scale or degree
- The basic unit of matter, consisting of a nucleus surrounded by electrons.
- Chemical bonds formed by the sharing of electrons between atoms.
- Not moving or changing, often used to describe certain states in chemistry
- When exact values are not available, scientists often use this term to describe values that are close to the actual value.
- A continuous sequence or range of values, often used in scientific discussions about various properties.
- A series of steps followed in a particular order to achieve a specific result or goal.
- A general direction in which something tends to move or develop
98 Clues: Electrons in the inner shells of an atom. • The ability of a substance to conduct electricity. • To change or alter in form, quality, or magnitude. • Weak intermolecular forces between polar molecules. • Pairs of acids and bases that differ by one proton. • Happening or occurring at the same time or instant. • The distance between the nuclei of two bonded atoms. • ...
Chemistry - Ryan Chaney 2021-08-24
Across
- A substance that can be broken down into simple stable substances.
- A change in a substance that does not involve a change in the identity of the substance.
- A change in which one or more substances are converted into different substances.
- The substances that are formed by the chemical change.
- A high temperature physical state of matter in which atoms lose most of their electrons.
- A pure substance that cannot be broken down into simpler, stable substances and is made of one type of atom.
- The smallest unit of an element that maintains the chemical identity of that element.
- The substances that react in a chemical change.
- Matter has definite volume and definite shape.
- Depend on the amount of matter that is present.
- Matter has definite volume, but indefinite shape.
Down
- A substance’s ability to undergo changes that transform into different substances.
- The study of composition, structure, and properties of matter.
- Matter has neither definite volume nor definite shape.
- A characteristic that can be observed or measured without changing the identity of the substance.
- Any substance that has a definite composition.
- Do not depend on the amount of matter that is present.
- Anything that has mass and takes up space.
- A physical change of a substance from one state to another; solid, liquid, gas.
- A measure of the amount of matter.
- A blend of two or more kinds of matter.
21 Clues: A measure of the amount of matter. • A blend of two or more kinds of matter. • Anything that has mass and takes up space. • Any substance that has a definite composition. • Matter has definite volume and definite shape. • The substances that react in a chemical change. • Depend on the amount of matter that is present. • Matter has definite volume, but indefinite shape. • ...
Chemistry Topic 1 2021-08-21
Across
- How do electrons fill orbitals before pairing up?
- Something that can be used to work out the relative atomic masses of different atoms
- The sum of the protons and neutrons inside the nucleus of an atom is..
- When the number of electrons between the outer shell and nucleus increases, and the outer electrons feel less attraction, is called...
- Different atoms of the same element that have different numbers of neutrons but the same number of protons are called an..
- The mass of an atom of an isotope relative to 1/12 the mass of a Carbon 12 atom is..
- The average mass of an elements isotopes relative to 1/12 the mass of a Carbon 12 atom is..
- The number of protons inside the nucleus is..
Down
- The energy needed to remove 1 electron from 1 mole of gaseous atoms is..
- Electrons fill up subshells with this amount of energy first
- What happens to the first ionisation energy down a group?
- Atomic radii down a group..
- Shows the frequency of light emitted by electrons when they drop back to a lower energy level.
- What is the relative isotopic mass also known as in mass spectroscopy?
- Atomic radii across a period..
- The energy needed to remove 1 electron from 1 mole of gaseous 1+ ions is..
- What happens to the first ionisation energy across a period?
- The size of an atom is called the..
- What is the peak with the highest m/z value called?
- This happens in ionisation energy happen when a new shell is broken into
- What ion is larger than its atom?
- When electrons take in energy from the surroundings and move up to a higher energy level, they are?
22 Clues: Atomic radii down a group.. • Atomic radii across a period.. • What ion is larger than its atom? • The size of an atom is called the.. • The number of protons inside the nucleus is.. • How do electrons fill orbitals before pairing up? • What is the peak with the highest m/z value called? • What happens to the first ionisation energy down a group? • ...
Chemistry Crossword Puzzle 2022-03-21
Across
- very hard metal that is used in stainless steel and rechargeable batteries
- comes in white or red colors and used in fertilizers, food preservation and matches
- the kind of charges that attract
- the man who was the first to organize the elements
- the chart that shows all the elements
- the number of known elements
- brimstone in the Bible and smells like rotten eggs
- used to make graphite and diamonds
- the number that shows the mass of an atom in the periodic table
- tiny particles that swarm at tremendous speed around the nucleus of an atom
- the study of what substances are made of and how one substance can be changed into another
- amount of matter in one unit of volume
- the densest metal
- the number of protons found in an atom
- 1000 grams
- the tiny particles in the nucleus that have a neutral charge
Down
- the kind of charges that repel
- substance composed of only one type of atom
- the group of elements that come in a variety of colors and are not good conductors of heat/electricity
- colorless and odorless gas that is very flammable and we did an experiment to show this
- semimetal found in sand, quartz and glass and used in computer chips
- colorless and odorless gas that is found in air, water, rocks and minerals and used in welding torches and medical settings
- the tiny particles in the nucleus that have a positive charge
- anything that takes up space and has mass
- the term used to describe how the electrons form a shield around the nucleus
- used in galvanized steel such as chain link fences and trashcans
- the group of elements that have a silvery color and are good conductors of heat/electricity
- tiny particles that composes all matter
- amount of matter that makes up an object
- measure of the pull of gravity on an object
- center of the atom that is a dense core made up of protons and neutrons
- things made up of matter
- metal that is applied to polished steel to protect from rusting
- colorless and odorless gas used in fertilizers and explosives
- metric unit used to measure an object's mass
35 Clues: 1000 grams • the densest metal • things made up of matter • the number of known elements • the kind of charges that repel • the kind of charges that attract • used to make graphite and diamonds • the chart that shows all the elements • amount of matter in one unit of volume • the number of protons found in an atom • tiny particles that composes all matter • ...
2 Inorganic Chemistry 2022-03-09
Across
- A chemical used to distinguish between acidic and alkaline solutions. Examples include phenolphthalein, litmus and methyl orange. They are also used in titration reactions to indicate the end point of the reaction by a clear colour change
- A chemical reaction in which a more reactive element displaces a less reactive element from its compound.
- The elements in Group 1 of the periodic table. They are typically soft and have relatively low melting points.
- The increase in the temperature of the Earth’s atmosphere due to the greenhouse gases in the atmosphere trapping infra-red radiation from the surface.
- The protection of iron or steel against corrosion by using a more reactive metal. Zinc is often used as a sacrificial metal. Sacrificial protection creates a physical barrier to oxygen and water, preventing corrosion of the metal.
- The reaction in which an acid and a base react to form a salt and water.
- A process used to protect against corrosion by coating the metal with a protective layer of zinc.
- The burning of a substance in oxygen. If there is sufficient oxygen present for the substance to burn then it is called complete combustion. Energy is transferred to the surroundings as heat and light.
Down
- The breaking down of a compound by heating.
- The ions formed by halogen atoms by gaining an electron. They have a 1- charge. E.g. Cl-, Br- and I-.
- Qualitative test used to identify metal ions (cations). Carried out by inserting a nichrome wire loop with the unknown compound on into a flame and observing the colour.
- The elements in Group 7 of the periodic table. The halogens gain an electron to form halide ions with a 1- charge. Down the group the halogens get more reactive and have higher melting and boiling points.
- A measure of the acidity or alkalinity of a solution ranging from 0 to 14. The pH can be measured using universal indicator solution or a pH probe.
- The destruction of materials by chemical reactions with substances in the environment, e.g. rusting occurs when iron is exposed to water and oxygen.
- A substance which reacts with an acid in a neutralisation reaction to form a salt and water only. Bases are known as proton acceptors.
- A mixture of dyes that changes colour gradually over a range of pH and is used in testing for acids and alkalis.
- A change in global climate patterns largely believed to be caused by the increase in concentration of carbon dioxide in the atmosphere.
- Gases in the atmosphere which maintain temperatures on Earth high enough to support life. Greenhouse gases include water vapour, carbon dioxide and methane.
- A series in which metals are arranged in order of their reactivity. This can be used to predict products from reactions.
- A reddish coating of iron oxide which forms on iron when it undergoes oxidation. Iron rusts when it is in the presence of oxygen and water.
- Produces hydroxide ions (OH-) in aqueous solutions. They have a pH range between 7 and 14. Alkalis are soluble bases.
- Produces hydrogen ions (H+) in aqueous solutions. They have a pH range between 0 and 7. Acids are known as proton donors.
22 Clues: The breaking down of a compound by heating. • The reaction in which an acid and a base react to form a salt and water. • A process used to protect against corrosion by coating the metal with a protective layer of zinc. • The ions formed by halogen atoms by gaining an electron. They have a 1- charge. E.g. Cl-, Br- and I-. • ...
Bio-Chemistry crossword :) 2022-03-11
Across
- a bond that forms to create kinks in fat chains.
- What monosaccharide has a pentagon shape and an oxygen that stands out from other monosaccharides?
- the loss of an electron/s.
- used to describe a reaction in which water molecules are even outside and inside the cell.
- built of anime, carboxyl and radical group.
- the product of two joining glucose molecules.
- a passive site on an enzyme that may or may not be required to fill.
- What differentiates a nucleoside from a nucleotide?
- Adenine and guanine make up ________.
- what naturistic force can act as a catalyst?
- What type of glucose has both hydroxyls under their hydrogens?
Down
- What is the half helix that holds the information to make proteins.
- What form of facilitated diffusion transports based on size an charge?
- what step in forming a protein deals with the overall 2D shape?
- a branched polysaccharide that helps in the process of photosynthesis.
- What kind of energy charges sodium in a sodium potassium pump?
- What builds up the cell membrane?
- What is the differentiating group on galactose versus glucose?
- The difference between a ketone and aldehyde group.
- What bonds two monosaccharides to create a di or polysaccharide?
20 Clues: the loss of an electron/s. • What builds up the cell membrane? • Adenine and guanine make up ________. • built of anime, carboxyl and radical group. • what naturistic force can act as a catalyst? • the product of two joining glucose molecules. • a bond that forms to create kinks in fat chains. • What differentiates a nucleoside from a nucleotide? • ...
Chemistry Regents Review 2025-05-29
Across
- Gamma radiation has a __ penetrating power.
- 40g of KCL in 100g of water at 45 degrees celsius is __.
- An increased temperature leads to __ solubility.
- __ polymerization creates a long polymer and H20.
- When a bond is __, energy is absorbed. And when a bond is formed, energy is released.
- Aluminum cannot be broken down by a chemical change because it is an __
- Increased concentration causes an __ collision rate.
- When the lines are flat on a heating curve, the average KE is remaining the same + the potential energy is __
- __ ends with water and carbon dioxide.
- Air pressure is __ to vapor pressure for a liquid to boil.
- An ideal gas has an insignificant volume.
- A __ reaction goes from heavy to light.
- The Law Conservation of energy states that __ can’t be created nor destroyed but energy can change form
- __ formulas are the most simplified version of a compound.
Down
- In a __ cell, the anode is reduced and the cathode is oxidized.
- The average KE of molecules __ as temperature decreases.
- The Wave Mechanical Model introduced the idea of neutrons and electrons in __.
- Bases contain more __.
- Weak forces are __ w/ a low boiling point and they are in the gas phase.
- Litmus paper is __ in an acidic solution.
- In an __ cell, the anode is oxidized and the cathode is reduced.
- As you move __ on the periodic table, the atomic radius decreases and the ionization energy and electronegativity increase.
- __ have a single bond and are unsaturated.
- An atom becomes a __ ion by losing electrons.
- In nature, systems tend to move toward having a __ entropy.
- __ energy is the energy required to pull off an electron.
26 Clues: Bases contain more __. • __ ends with water and carbon dioxide. • A __ reaction goes from heavy to light. • Litmus paper is __ in an acidic solution. • An ideal gas has an insignificant volume. • __ have a single bond and are unsaturated. • Gamma radiation has a __ penetrating power. • An atom becomes a __ ion by losing electrons. • ...
Chemistry Vocabulary 1 2025-07-27
Across
- ___ series: a series of metals ordered by their reactivity, from highest to lowest
- ___ state: the lowest energy level of an atom
- reaction where a more reactive metal removes a less reactive metal from its compound
- a substance formed naturally in the ground and from which metal can be obtained
- a horizontal row in the periodic table
- a vertical column in the periodic table
- the group 1 metals, which form an
- a charged version of an atom, formed from the loss or gain of electrons
- a strong bond between an anion and a cation, formed via electron donation
- a negatively charged ion formed from the gain of electrons
- houses the electrons that orbit the nucleus of an atom
- the electrons in the outer shell of an element
- elements in the periodic table that are situated close to the border between metals and non-metals; metalloids share properties and appearance characteristics with both metals and non-metals
- the group 17 elements (e.g. chlorine and iodine)
Down
- a positively charged ion formed from the loss of electrons
- the arrangement of an atom's electrons in the shells around the nucleus
- the block of metals in the periodic table containing the elements in groups 3 to 12 and in periods 4 to 7
- the attraction between oppositely charged particles
- group 18 elements (e.g. neon and krypton)
- the rule that states atoms tend to lose, gain or share valence electrons to achieve eight electrons in their outer shell
- a substance made up of only one type of atom
- a strong bond almost always between two non-metals that share electrons, forming a molecule
- the smallest subatomic particle in an atom arranged around the nucleus in shells
- ___ earth metals: the group 2 metals, which form an alkaline solution when they react with water
24 Clues: the group 1 metals, which form an • a horizontal row in the periodic table • a vertical column in the periodic table • group 18 elements (e.g. neon and krypton) • a substance made up of only one type of atom • ___ state: the lowest energy level of an atom • the electrons in the outer shell of an element • the group 17 elements (e.g. chlorine and iodine) • ...
Chemistry Lab Equipment 2025-07-31
Across
- Grinds solid chemicals
- Transports crucibles & other small items
- Measures the mass of and object using sliding bars
- Cleans equipment with small openings
- Mix small amounts of chemicals together and is used for micro experiments
- Attaches to the ring stand and helps support beakers and flasks
- Supports equipment
- Holds liquids
- lights the Bunsen burner
- A glass cover for beakers and flasks that helps holds solids
- Supports crucibles and funnels
- Washes equipment and adds small amount of distilled water
- Can hold many test tubes at once
- Stirs mixtures
- Measures volume of acids and bases
- Spreads the heat of a flame and is suspended glassware on a ring stand
- Hold test tube while heating
- Measures the mass of objects using electricity
- Helps pour liquids into smaller containers
- Evaporate solutions
Down
- Dispenses drops of liquid
- Heats small amounts of solids at high temperature
- Transfers solids and powders
- Covers test tubes and flasks
- Measures liquids but can not be heated
- Attaches to ring stand and supports test tubes and burets
- Measures temperature
- Picks up small items
- Transports hot beakers
- Holds small amounts of liquid but can be heated
- Heats substances using electricity
- A calibrated flask to prepare solutions
- Transfers small amounts of liquids
- Holds solids while weighing on a balance
- Heat substances using a flame
- Holds liquids and helps prevent splattering
36 Clues: Holds liquids • Stirs mixtures • Supports equipment • Evaporate solutions • Measures temperature • Picks up small items • Grinds solid chemicals • Transports hot beakers • lights the Bunsen burner • Dispenses drops of liquid • Transfers solids and powders • Covers test tubes and flasks • Hold test tube while heating • Heat substances using a flame • Supports crucibles and funnels • ...
Chemistry of Life 2025-08-01
Across
- right side of the periodic table, not shiny or conductive
- energy needed to remove an electron
- outermost electron shell of an atom
- bond between H and N, O, or F
- bonds within a single molecule
- chemical rule that says that atoms want 8 electrons in their outer shell
- stored energy that has the potential to be converted
- molecule with unequally shared electrons in a bond resulting in a partial charge
- positively charged ion
- electron in the outermost energy level
Down
- size of an atom from nucleus to electron cloud
- ability of an atom to attract electrons in a chemical bond (clue: increases across a period and down a group)
- forces between polar molecules
- negatively charged ion
- slight positive or negative region in a polar molecule
- unshared/unbonded electrons on an atom
- bonds between separate molecules
- water hating! :(
- molecule with equally shared electrons in a bond resulting in net charge of 0
- weak forces between nonpolar molecules
- energy released when an atom gains an electron
- water loving! :)
- charged atom or molecule
- chemically unreactive (eg. noble gases)
24 Clues: water hating! :( • water loving! :) • negatively charged ion • positively charged ion • charged atom or molecule • bond between H and N, O, or F • forces between polar molecules • bonds within a single molecule • bonds between separate molecules • energy needed to remove an electron • outermost electron shell of an atom • unshared/unbonded electrons on an atom • ...
Chemistry Crossword #2 2025-07-28
Across
- atoms that have the same number of protons but a different number of neutrons
- atoms that have the same number of protons are the same ____
- a profession that you are considering for your future
- the animal that you have as a pet
- this coming year, you will be a _____ in high school
- the subatomic particles that have the least mass
- isotopes have the same number of protons but a different number of ____
- the element whose atoms all have three protons
- the charge of a proton
- the element whose atoms all have six protons
- atoms are named based on the number of protons that they have
- the mass number of an atom with nine protons, nine electrons, and ten neutrons
- the element whose atoms all have one proton
- the amount of "stuff" in an object, similar to weight
Down
- the musical instrument that you play
- the mass number of an atom with three protons, three electrons, and four neutrons
- Star Learning _____
- the mass number of an atom with six protons, six electrons, and six neutrons
- the mass number of an atom with two protons, two neutrons, and two electrons
- the element whose atoms all have two protons
- electrons are found _____ the nucleus of an atom
- the science discipline that we are learning
- your last name
- an atom's mass number is the ____ of the number of protons and neutrons
- helium atoms have _____ protons
- you participate in a bunch of ____curriculuar activities
- the charge of an electron
- a book you enjoyed is titled "The ____ is Also a Star"
- the center of an atom
- Do atoms always have an equal number of protons and neutrons?
30 Clues: your last name • Star Learning _____ • the center of an atom • the charge of a proton • the charge of an electron • helium atoms have _____ protons • the animal that you have as a pet • the musical instrument that you play • the science discipline that we are learning • the element whose atoms all have one proton • the element whose atoms all have two protons • ...
Chemistry Crossword Puzzle 2022-09-09
Across
- Light at a certain frequency causes metal to ___ their electrons
- A model of the atom had negatively-charged electrons embedded within a positively-charged "soup."
- What kinds of particles are atoms made up of?
- An atom that has gained or lost one or more electrons
- The visible _____ spans the wavelength region from 400 to 700 nm.
- A flame test is a _______ test for the ID of an unknown
- Atomic symbol is W
- The ____ of light observed when a substance is heated from one substance to another.
- Atoms with different numbers of protons, each with its own atomic symbol
- Electrons do _____ out the positive charge of the protons in the nucleus
- Atoms are mostly _____ _____?
- ELectrons do not ___ anything to the mass number
- What kinds of electrons are normally at ground state
- Certain other isotopes which are unstable, that is, ______.
- When atoms absorb energy and become ___?
- A unique single upper-case letter or upper-case plus one lowercase letter symbol
- When we think of atoms, it’s useful to think of them first as ______ ______.
- Every atom’s nucleus is _____ by electrons
- Atomic symbol is Ne
- All _________ waves, including visible light, travel at the speed of 300*10^8
- One billionth of a meter.
- Whose experiment included the shooting of alpha particles at a very thin sheet of gold foil?
- Atoms with a negative charge and have more electrons than protons
Down
- Minimum amount of energy that can be gained or lost by an atom
- A tiny object made entire of protons and neutrons
- Sub-atomic particles with a zero charge (they are neutral) and a mass of 1 atomic mass unit (amu)
- Made up of sub-atomic particles
- Atoms with a positive charge and have fewer electrons than protons
- The number of protons plus the number of neutrons equals the______ ___ ______?
- Atoms with the same number of protons but different number of neutrons
- From excited energy levels, there is a natural tendency for the electrons to make a transition or drop back down the ______ ______.
- When a substance is heated in a flame, the atoms _____ energy from the flame.
- Atomic symbol is H
- All _____ is made up of atoms.
- Most of the alpha particles pass through the gold foil _______.
- Ions have a ___ _______ charge calculated buy adding up all positive charges for the protons with all negative charges of the electrons.
- Even smaller sub-atomic particles than protons and neutrons with a -1 charge and a tiny mass (0.00054 amu).
- Acronym for the colors of the visible light spectrum, in order from long wavelength to short.
- When an electron makes a transition from a higher energy lebel to a lower energy legal, this particle of light is emitted.
- Metal cation is K
- In order to be a neutral, an atom has to have the ____ number of electrons as protons
- Mass of 28
- Below a certain frequency, no electrons will eject no matter the _______ of the light
- Each element’s AES is _______ and can be used to identify it.
- Wavelength * frequency
- Number of protons referred to is called a(n) ____ ______? The letter Z is used to represent it
- ________ shorten= frequency increases
- Sub-atomic particles with a +1 charge and a mass of about 1 atomic mass unit (amu)
48 Clues: Mass of 28 • Metal cation is K • Atomic symbol is H • Atomic symbol is W • Atomic symbol is Ne • Wavelength * frequency • One billionth of a meter. • Atoms are mostly _____ _____? • All _____ is made up of atoms. • Made up of sub-atomic particles • ________ shorten= frequency increases • When atoms absorb energy and become ___? • Every atom’s nucleus is _____ by electrons • ...
Chemistry Unit One 2022-08-19
Across
- the closeness of a result to the true value
- the amount of 3D space a substance or object occupies.
- a quantity chosen as a standard in terms of which other quantities may be expressed.
- a unit of measurement obtained by multiplication or division of the base units of a system
- the measure of how much “stuff” is in a given amount of space
- the scale of temperature in which water freezes at 0° and boils at 100° under standard conditions.
- a common piece of laboratory glassware consisting of a finger-like length of glass or clear plastic tubing, open at the top and closed at the bottom.
- large pincers for grasping and lifting vessels of heat-resistant material used in high temperature chemical reactions.
- a scale of temperature on which water freezes at 32° and boils at 212° under standard conditions.
- the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.
- refinement in a measurement, calculation, or specification, especially as represented by the number of digits given.
- the number of digits in a value, often a measurement, that contribute to the degree of accuracy of the value
- a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
- the SI unit of volume
- a room or building equipped for scientific experiments, research, or teaching, or for the manufacture of drugs or chemicals.
- when an object is largely immersed in a fluid, pushing it out of the way and taking its place
Down
- a way of writing very large or very small numbers
- a measure of the amount of matter in an object.
- SI unit for length
- roughly calculate or judge the value, number, quantity, or extent of.
- the process of changing or causing something to change from one form to another.
- a tall narrow container with a volume scale used especially for measuring liquids.
- the force acting on the object due to gravity.
- a thin glass vessel, with a lip for pouring, used as containers for liquids.
- a bottle, usually of glass, having a rounded body and a narrow neck, used especially in laboratory experimentation.
- the scientific study of the properties and behavior of matter
- the SI unit of mass
- king who tragically died by drinking chocolate milk
- a metal stand consisting of a long upright rod attached to a heavy rectangular base that is used with rings and clamps for supporting laboratory apparatus.
- base unit of thermodynamic temperature measurement in the International System of Units (SI)
30 Clues: SI unit for length • the SI unit of mass • the SI unit of volume • the closeness of a result to the true value • the force acting on the object due to gravity. • a measure of the amount of matter in an object. • a way of writing very large or very small numbers • king who tragically died by drinking chocolate milk • the amount of 3D space a substance or object occupies. • ...
Socrates Chemistry Crossword 2022-11-02
Across
- Helium Balloons rise because the gas inside is ___ than air.
- When two or more chemicals combine they form a ___?
- When combined with baking soda, releases oxygen and energy in an "explosive" reaction
- A common household acid that is very sour to the taste and safe to eat
- The study of the elements and what the universe is made of
- When mixed with an acid, becomes neutralized
- This is the most abundant element on Earth
- Your favorite Main Lesson teacher this year
- An area of study that leads to experiments and discovery
- The phase of matter is always in a state of reaction, like the stars
- A state of matter that is very fluid and flexible
- Everything is made from this
Down
- How much "atomic weight" an element has how "heavy" it is.
- This mixture of pollen and bee saliva is very dense
- Heavier objects sink because they are___?
- Able to mix
- This is the most abundant element in the universe
- Every physical thing
- This phase of matter is rigid and firm
- Air is an example of this state of matter
- When acids and bases combine they produce ___?
21 Clues: Able to mix • Every physical thing • Everything is made from this • This phase of matter is rigid and firm • Heavier objects sink because they are___? • Air is an example of this state of matter • This is the most abundant element on Earth • Your favorite Main Lesson teacher this year • When mixed with an acid, becomes neutralized • ...
chemistry crossword puzzle 2022-02-11
Across
- A number in a chemical equation indicating more than one molecule of the substance
- The tendency of a substance to interact with itself
- The smallest piece of an element that maintains the identity of that element
- An ionic compound of the H+ cation dissolved in water
- The connection between two atoms in a molecule
- ending that is applied that describes the types of chemical bonds in the molecule
- A chemical bond formed by two atoms sharing electrons
- Bind to the surface of another substance
- A physical property defined as a substance’s mass divided by its volume
- The characteristic temperature at which a liquid becomes a gas
- the unit of temperature scales
- A chemical reaction in which a reactant combines with oxygen to produce oxides of all other elements as products
- A tiny subatomic particle with a negative charge
Down
- Chemical reactions that absorb (or use) energy
- The sum of the number of protons and neutrons in a nucleus
- A species with an overall negative charge
- a combination of more than one elements
- the name comes before the molecule
- When a chemical reaction happens, energy is transferred to or from the surroundings.
- the process of gas becoming a liquid
- A gas law that relates number of particles to volume
- A condition when the reactants and products of a chemical equation have the same number of atoms of all elements presentcatalyst
- A compound that increases the amount of OH− ions in an aqueous solution
23 Clues: the unit of temperature scales • the name comes before the molecule • the process of gas becoming a liquid • a combination of more than one elements • Bind to the surface of another substance • A species with an overall negative charge • Chemical reactions that absorb (or use) energy • The connection between two atoms in a molecule • ...
Useful Chemistry Words 2022-01-31
Across
- - composed of two or more parts, elements, or ingredients:
- - the state or fact of remaining the same one or ones, as under varying aspects or conditions
- - without variations in detail
- - an essential or distinctive attribute or quality of a thing
- - a distinguishing feature or quality.
- - a fundamental arrangement of atoms, as the benzene ring, that may occur in many compounds by substitution of atoms without a change in structure.
- - that of which a thing consists; physical matter or material
- - the smallest physical unit of an element or compound, consisting of one or more atoms in an element and two or more different atoms in a compound.
- - one of a class of substances that cannot be separated into simpler substances by chemical means.
- - of, relating to, or forming a nucleus.
Down
- - the act of combining parts or elements to form a whole.
- - one of the extremely small constituents of matter, as an atom or nucleus.
- - the smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical attraction; the number of protons determines the identity of the element.
- - an elementary particle having no charge, mass slightly greater than that of a proton, and spin of ½: a constituent of the nuclei of all atoms except those of hydrogen. Symbol: n
- - existing as free, uncombined atoms.
- - a positively charged elementary particle that is a fundamental constituent of all atomic nuclei. It is the lightest and most stable baryon, having a charge equal in magnitude to that of the electron, a spin of ½, and a mass of 1.673 × 10-27 kg. Symbol: P
- - the action or reaction of any material under given circumstances
- - an aggregate of two or more substances that are not chemically united and that exist in no fixed proportion to each other.
- - a basic principle, rule, law, or the like, that serves as the groundwork of a system; essential part
- - an elementary particle that is a fundamental constituent of matter, having a negative charge of 1.602 × 10−19 coulombs, a mass of 9.108 × 10−31 kilograms, and spin of ½, and existing independently or as the component outside the nucleus of an atom.
20 Clues: - without variations in detail • - existing as free, uncombined atoms. • - a distinguishing feature or quality. • - of, relating to, or forming a nucleus. • - the act of combining parts or elements to form a whole. • - composed of two or more parts, elements, or ingredients: • - an essential or distinctive attribute or quality of a thing • ...
Useful Chemistry Words 2022-01-31
Across
- each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter.
- (of a substance) consisting of uncombined atoms rather than molecules.
- a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
- the way in which a natural phenomenon or a machine works or functions.
- an attribute, quality, or characteristic of something.
- the basic unit of a chemical element.
- the idea that every substance has at least one property that makes it unique and able to be differentiated from other substances
- a particular kind of matter with uniform properties.
- a feature or quality belonging typically to a person, place, or thing and serving to identify it.
- a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
- the nature of something's ingredients or constituents; the way in which a whole or mixture is made up.
- the central and most important part of an object, movement, or group, forming the basis for its activity and growth.
Down
- a central or primary rule or principle on which something is based.
- remaining the same in all cases and at all times; unchanging in form or character.
- made up or consisting of two or more existing parts or elements.
- a substance made by mixing other substances together.
- relating to the nucleus of an atom.
- a minute portion of matter.
- a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
- a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
20 Clues: a minute portion of matter. • relating to the nucleus of an atom. • the basic unit of a chemical element. • a particular kind of matter with uniform properties. • a substance made by mixing other substances together. • an attribute, quality, or characteristic of something. • made up or consisting of two or more existing parts or elements. • ...
Chemistry Vocab Strategy 2022-01-07
Across
- Sum of the protons and neutrons in the nucleus of an atom
- Smallest particle of a substance that can exist by itself
- atom that has gained or lost one or more electrons
- Reaction in which the nuclei of one atom combines with the nuclei of another to form a larger nuclei
- A science that deals with the structure and properties
- Numerical measurements rather than its words
- Data in words rather than in numbers
- The quality of being exact
- Atoms with same number of protons but not the same number of neutrons
- Mass per unit of volume
- Experimental value minus the accepted value, divided by the accepted value and then multiplied by 100
Down
- Method that expresses the number multiplied by 10 and the appropriate power
- System of electrons surrounding the nucleus of an atom
- A solid that is produced by a chemical reaction in solution
- Group 18 in the periodic table with a full outer shell
- Number of protons in the nucleus in an atom
- a number that express a magnitude to a specified degree of accuracy
- The ability to work without mistakes
- The heat required to raise the temperature of the mass of a given substance by given amount
- Element with the properties of both metals and nonmetals
20 Clues: Mass per unit of volume • The quality of being exact • Data in words rather than in numbers • The ability to work without mistakes • Number of protons in the nucleus in an atom • Numerical measurements rather than its words • atom that has gained or lost one or more electrons • System of electrons surrounding the nucleus of an atom • ...
S2 Chemistry Revision 2022-01-28
Across
- the conducting non-metal
- heat energy is taken in during a reaction
- when only one thing is changed in an investigation
- sign of a chemical reaction
- sign of a chemical reaction
- when a more reactive metal takes the place of a less reactive metal in solution
- sign of a chemical reaction
- group 8
- when two solutions form an insoluble solid
- copper, gold and vanadium are what kind of metals?
- metals far apart in the reactivity series produce the ... voltage
- metal + water ==>
- the things that are formed
- copper + oxygen ==>
Down
- group 1
- separates the metals and non-metals
- which metals conduct electricity
- indicates only two metals involved in a compound
- two or more elements chemically joined together
- indicates more than two elements in a compound and one is oxygen
- a biological catalyst
- ... temperature and concentration to make reactions go faster
- silver + nitrogen + oxygen ==>
- hydrogen burns with a ...
- the things that react
- group 7
- metal + water ==>
- one type of atom
28 Clues: group 1 • group 7 • group 8 • one type of atom • metal + water ==> • metal + water ==> • copper + oxygen ==> • a biological catalyst • the things that react • the conducting non-metal • hydrogen burns with a ... • the things that are formed • sign of a chemical reaction • sign of a chemical reaction • sign of a chemical reaction • silver + nitrogen + oxygen ==> • which metals conduct electricity • ...
Chapter 9 Chemistry 2022-04-25
Across
- preventing or correcting acidity
- mass of an atom of a chemical element in atomic mass units
- a numerical or constant quantity placed before and multiplying the variable in an algebraic equation
- a very important fertilizer and starting material for other fertilizers
- a substance that is made from a reaction
- the quantity of a product obtained from the complete conversion of the limiting reactant in a chemical reaction
- give way to arguments, demands, or pressure
- the relationship between the relative quantities of substances taking part in a reaction
- a compound of a particular organic base with hydrochloride acid
- to render something ineffective or harmless
- a substance that takes part in and undergoes change during a reaction
- calculation of things in great quantities
- the amount or number of a material or immaterial thing
- a conversion factor between compounds in a chemical reaction that derived from the coefficients of the compound in balanced equation
Down
- a crystalline compound with cooling minty taste and odor, found in peppermint and other natural oils
- a colorless, odorless toxic flammable gas formed by incomplete combustion of carbon
- an equation in which the number of atoms is equal on both sides
- compounds made up of ions that form charged particles
- the percent ratio of actual yield to the theoretical yield
- a flammable hydrocarbon gas of the alkaline series
- a standard scientific unit for measuring large quantities of very small entities
- the mass in grams of 1 mole of the substance
- a reactant in a chemical reaction that determined the amount of product that is formed
- pertaining to, or the nature of a scheme
- a compound with the formula Li3N
25 Clues: preventing or correcting acidity • a compound with the formula Li3N • a substance that is made from a reaction • pertaining to, or the nature of a scheme • calculation of things in great quantities • give way to arguments, demands, or pressure • to render something ineffective or harmless • the mass in grams of 1 mole of the substance • ...
