chemistry Crossword Puzzles
Chemistry Comes Alive 2024-09-11
Across
- a chemical bond between atoms formed by the transfer of one or more electrons from one atom to the other is (pg.32)
- sum of the atomic weights of the elements or compound (pg.29)
- structural units of nucleic acids (pg. 53)
- – the center of an atom containing protons and neutrons (pg.25)
- the storage carbohydrate formed by plants (pg.43)
- The substance on which an enzyme act (pg.52)
- The time required for a radioisotope to lose one-half of its activity (pg.28)
- – the process of atomic decay (pg. 28)
- a translucent mixture of tiny particles dispersed in another medium (pg.30)
- the storage carbohydrate of animal tissues (pg.43)
- combination of two or more atoms held together by a chemical bond (pg. 28)
- the type of reaction when energy is released (pg.37)
- - large arrays of cations and anions held together by ionic bonds(pg.32)
- a group of molecules that contain sugars and starches. (pg. 43)
- the substance present on the greatest amount in a mixture (pg. 29)
- -Radioactive isotopes of an element is called a (pg.28)
- the process when atoms or molecules form a larger, more complex molecule (pg.36)
- proteins that act as biological catalysts (pg.51)
- this type of energy is stored in the bonds of chemical substances (pg.24)
- - proton acceptors that takes up hydrogen ions in detectable amounts.(pg. 39)
- – energy in motion (pg. 24)
- a substance that releases hydrogen ions in detectable amounts. (pg.39)
- regions around the nucleus in which a given electron or electron pair is likely to be found. (pg.26)
- the products of energy-absorbing in a reaction (pg.37)
Down
- - the study of the chemical composition and reactions of living matter (pg.38)
- a substance that increases the rate of reaction and unchanged at the end
- a single chain structure containing 3-7 carbon atoms. (pg.43)
- - polymers of simple sugars linked together by dehydration synthesis (pg.43)
- homogeneous mixtures of components that may be gases, liquids, or solids(pg.29)
- The tendency of an atom in a molecule to attract the shared pair of electrons towards itself. (pg.34)
- bond that involves the sharing of electrons to form electron pairs between atoms (pg.32)
- type of energy directly involved in moving matter (pg.24)
- - chainlike molecules made monomers, joined together by dehydration synthesis (pg.42)
- - a common waste product of protein breakdown in the body (pg.40)
- chemical systems that regulate homeostasis of acid base balance. (pg.41)
- – the type of energy that results from the movement of charged particles. (pg.24)
- with the same number of protons but differing numbers of neutrons.(pg.27)
- – anything that occupies space and has a mass. (pg. 24)
- substances that conduct an electrical current in solution (pg. 39)
- an electrically neutral chemical compound of cations and anions. (pg. 39)
- modified triglycerides. (pg.47)
- when two or more atoms of the same element are chemically bind together, they form a_____ (pg.28)
- when two monosaccharides are joined by dehydration synthesis (pg.43)
- Substance composed of two or more component physically intermixed (pg. 29)
- stored energy (pg. 24)
- - an atom’s outermost energy level (pg.31)
- heterogenous mixtures with large visible solutes that tend to mix out (pg.30)
- substances that cannot be broken down into simpler substances by ordinary chemical methods. (pg.25)
- the substance present in the smallest amount in a mixture (pg.29)
- – the ability to put matter into motion. (pg. 24)
50 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) • proteins that act as biological catalysts (pg.51) • ...
Year 13 Chemistry! 2025-04-11
Across
- Process where alkenes react with hydrogen
- Name given to an electron pair donor in complex formation
- Compound made by reacting an acid with an alcohol
- A reaction that involves an atom or group being replaced
- Type of bond formed when electrons are shared unequally
- The part of a molecule responsible for its reactions
- Organic product of refluxing a primary alcohol with acidified potassium dichromate
- Intermediate with a positive charge on carbon
Down
- pH of a neutral solution at 25°C
- The voltage measured when a half-cell is connected to the standard hydrogen electrode under standard conditions.
- Catalyst used in the Haber process
- Common oxidising agent containing Cr₂O₇²⁻
- Common base used in organic elimination reactions
- Gas produced when ammonia reacts with chlorine
- Structure formed when d orbitals split in transition metals
- Name for the energy needed to start a reaction
- This is used as the reference in NMR spectroscopy
- Main spectroscopic technique for identifying functional groups
- Isomerism where functional groups are in different positions
- This type of reaction involves gain of electrons
20 Clues: pH of a neutral solution at 25°C • Catalyst used in the Haber process • Common oxidising agent containing Cr₂O₇²⁻ • Process where alkenes react with hydrogen • Intermediate with a positive charge on carbon • Gas produced when ammonia reacts with chlorine • Name for the energy needed to start a reaction • This type of reaction involves gain of electrons • ...
Chemistry Project Crossword 2025-04-14
Across
- a statement you can test by doing an experiment and taking measurements
- A charged atom or group of atoms formed by the gain or loss of one or more electrons
- They can be easily drawn out into wires
- a starting chemical for a reaction
- Process where liquid changes into gas
- a particle with a charge of 1+ and a mass of 1 unit
- Made of atoms of different elements or compounds that are not bonded together
- a substance containing only one atom
- A process in which a soluble substance forms a solution
- an insoluble chemical produced during a chemical reaction
- Something that contains different elements or compounds that are not bonded together
- A particle with no charge and a mass of one unit found in the nucleus of an atom
- atoms of the same element, that have different numbers of neutrons
- the amount of solute that will dissolve in 100 grams of a solvent
- process where liquid changes into solid
Down
- the process of breaking down a compound by passing a current through it
- Indicates whether something is an acid or an alkali
- a particle with no charge and a mass of one unit found in the nucleus of an atom
- gives out heat energy
- a mixture where atleast one other substance is added to a metal
- The physical change in which a gas turns into liquid on cooling
- process where solid turns to liquid
- takes in heat energy from the surrounding
- a compound formed between oxygen and other element
- A mixture obtained when a solute is dissolved in a solvent
- A unit of two or more atoms held together by covalent bonds
- Breaks up easily when struck
- The smallest particles, that we cannot break down further in chemical reaction
- Shells that are arranged around the nucleus
- Can be bent or hammered into shape
- A chemical made in a chemical reaction
31 Clues: gives out heat energy • Breaks up easily when struck • a starting chemical for a reaction • Can be bent or hammered into shape • process where solid turns to liquid • a substance containing only one atom • Process where liquid changes into gas • A chemical made in a chemical reaction • They can be easily drawn out into wires • process where liquid changes into solid • ...
11SCX Chemistry Crossword 2024-11-26
Across
- Relating to carbon-based compounds, especially in living things
- Mass of one mole of a substance
- Byproduct of combustion
- Amount of space occupied by a substance
- Starting part of a chemical name
- Alchohol found in beverages and used as a fuel
- Molar ratio of oxygen to water in the complete combustion of butanol
- Element found in all organic compounds
- Reaction where atoms or groups are removed to form a double bond
- The amount of matter in an object
- Shows actual number of atoms in a molecule
- Large molecule made of repeating units
- Formula showing the backbone of a molecule
- Added to name of compound with chlorine in it
- 6.02x10^23
- Hydrocarbon in gasoline
- Shows how atoms are arranged in a molecule
- Used in titrations
- c(NaOH)=1.60mol/L, V(NaOH)=15mL, V(H2SO4)=20mL, c(H2SO4)=?
- Reation type where atoms or groups are added to a molecule
- m(CH4)=8g, V(CH4)=100mL, c(CH4)=?
- Byproduct of combustion
- Used to transfer specific volumes of liquids
- Process of reducing concentration by adding solvent
Down
- Byproduct of combustion
- Another name for molar ratios
- Type of greenhouse gas
- Fuel sourced from natural gas
- Unit for amount of substance in chemistry
- Has general formula CnH2n+2O
- Number of particles in a given volume
- Ending for alkenes
- Caused by greenhouse gases
- Has general formula CnH2n+2X
- Shows simplest whole-number ratio of atoms
- Element found in all organic compounds
- Unit companies use for concentration
- Results that agree with each other
- Reaction where one atom or group replaces another
- Has general formula CnH2n+2
- Process of burning a substance in oxygen
- Has general formula CnH2n
- Technique for finding unknown concentration by reaction
- Reactant needed for combustion
- Molar ratio of pentane to carbondixode in the complete combustion of pentane
- Ending part of a chemical name
- Compounds with the same formula but different structures
47 Clues: 6.02x10^23 • Ending for alkenes • Used in titrations • Type of greenhouse gas • Byproduct of combustion • Byproduct of combustion • Hydrocarbon in gasoline • Byproduct of combustion • Has general formula CnH2n • Caused by greenhouse gases • Has general formula CnH2n+2 • Has general formula CnH2n+2O • Has general formula CnH2n+2X • Another name for molar ratios • ...
Chapter 5 - Chemistry 2024-11-06
Across
- substance consisting of one type of atom
- fatty acids, oils, waxes
- a force that holds atoms in a molecule together
- amount of enery to start a chemical reaction
- force of attraction between hydrogen atoms
- biological catalyst such as a protein
- molecules that help increase the rate of a chemical reaction
- chemical molecule where the charge is distributed unevenly, has an electrical charge
- consists of a sugar, phophate and a nitrogen base
- type of chemical bond where electrons are transferred between atoms
- complex carb that consists of highly branched chains of glucose
- organic compounds where sugar is an example
- uniform mixture of a solute completely dissolved in a solvent
- a molecule that is made up of many monomers
Down
- a molecule that is a subunit of a larger molecule
- simple sugar that works as a monomer
- substance that accepts hydrogen ions
- nucleic acid that carries heredity information
- an atom that has a different number of protons and electrons
- chemical molecule where the charge is distributed evenly, no charge
- small organic compound that is the building blocks of proteins
- storage of sugar for plants
- substance that releases hydrogen ions
- type of chemical bond where electrons are shared
- an element that has the same number of protons but a different number of neutrons
- complex carbohydrate that is sugar storage
26 Clues: fatty acids, oils, waxes • storage of sugar for plants • simple sugar that works as a monomer • substance that accepts hydrogen ions • biological catalyst such as a protein • substance that releases hydrogen ions • substance consisting of one type of atom • force of attraction between hydrogen atoms • complex carbohydrate that is sugar storage • ...
CHEMISTRY CROSSWORD PUZZLE 2024-11-14
Across
- Are biological catalysts that speed up chemical reactions in living organisms by lowering the activation energy required for the reactions to occur.
- The membrane-enclosed organelle within a cell that contains the chromosomes
- Molecules that do not have any electrical charges or partial charges.
- Is a complex carbohydrate and the main structural component of plant cell walls, providing rigidity and support.
- Complex macromolecules have an important role in genetic information storage, transmission, and expression.
- A fatty waxy or oily substance that is soluble in organic solvents but insoluble in polar solvents like water.
- Is a molecule that is present in the majority of living organisms and viruses.
- Are a group of lipids that include hormones like testosterone and estrogen, characterized by a four-ring carbon structure, and are involved in various biological functions such as regulating metabolism, immune response, and reproduction.
- Organic compound used to store energy.
- Anything that has mass and occupies spaces.
Down
- Is a molecule that carries genetic information for the development and functioning of an organism.
- Is a molecules that combine to form proteins.
- Are a type of lipid molecule that form the structural components of cell membranes, with a hydrophilic (water-attracting) head and hydrophobic (water-repelling) tails.
- A storage polysaccharide made up of D-glucopyranose residues linked by 1-4 glycosidic linkages, which branch via 1-6 glycosidic bonds.
- The smallest basic unit of life, which is responsible for all of life's processes
- A subatomic particle with a positive electrical charge.
- Are a type of fat molecule that contains one or more double bonds between carbon atoms, which causes them to be liquid at room temperature and are typically found in plant oils, nuts, and fish.
- A molecule made up of amino acids.
- A structure having an uneven distribution of electron density.
- The fluid that flows through a vertebrate animal's heart, arteries, capillaries, and veins transports nutrients and oxygen to every area of the body while also removing waste.
20 Clues: A molecule made up of amino acids. • Organic compound used to store energy. • Anything that has mass and occupies spaces. • Is a molecules that combine to form proteins. • A subatomic particle with a positive electrical charge. • A structure having an uneven distribution of electron density. • Molecules that do not have any electrical charges or partial charges. • ...
Chemistry Glossary Terms 2024-11-14
Across
- When a gas becomes a .solid
- The state of matter where particles slide past each other
- All matter is made up of these.
- When something gets smaller
- Movement of particles from areas of high concentration to low concentration.
- When a liquid becomes a solid.
- How much of something there is.
- The state of matter where particles
- The state where a liquid bubbles and starts to evaporate
- A substance that is not a solid, liquid or gas.
Down
- Anything that takes up space.
- The mass of an object compared to its volume.
- When a solid becomes a gas.
- When a gas becomes a liquid.
- When a solid becomes a liquid.
- When a liquid becomes a gas.
- Can something be squished or changed shape
- The state of matter that can be compressed
- Stays the same shape/size
- When something gets bigger.
20 Clues: Stays the same shape/size • When a gas becomes a .solid • When a solid becomes a gas. • When something gets smaller • When something gets bigger. • When a gas becomes a liquid. • When a liquid becomes a gas. • Anything that takes up space. • When a solid becomes a liquid. • When a liquid becomes a solid. • All matter is made up of these. • How much of something there is. • ...
Chemistry Paper 1 2025-04-29
Across
- The actual ratio of atoms of each element present in a compound.
- Particles with a diameter between 1 nm to 100 nm in size
- A giant covalent structure which is made up of carbon atoms each of which form three covalent bonds with three other carbon atoms, forming layers of hexagonal rings which have no covalent bonds between the layers
- A chemical reaction in which a more reactive element displaces a less reactive element from its compound
- Mrs Floyd’s first job was working in this supermarket
- Elements that react to form positive ions
- The bonds present between the positive metal ions and negatively charged electrons.
- Positively charged object composed of protons and neutrons at the centre of every atom with one or more electrons orbiting it
- Negatively charged subatomic particle which orbit the nucleus at various energy levels
- The smallest part of an element that can exist
- number The total number of protons and neutrons in the nucleus.
- The smallest whole number ratio of atoms of each element in a compound.
- The sport Mrs Floyd coaches
- Compound formed of ions, held together by strong electrostatic forces.
- The strong forces of attraction between oppositely charged ions.
- Molecules of carbon atoms with hollow shapes.
- An average value that takes account of the abundance of the isotopes of the element.
Down
- The part of a polymer whose repetition would produce the complete polymer chain.
- The forces which exist between molecules
- The university Mrs Floyd attended
- Atoms of the same element with the same number of protons but a different number of neutrons
- A shared pair of electrons between two non-metals
- A separation technique used to separate solids from liquids
- The number of protons in the nucleus
- The elements in Group 0 of the periodic table
- A separation technique used to produce solid crystals from a solution by evaporating the solvent.
- Atomic model devised after the discovery of the electron. The model suggests the atom is a ball of positive charge with negative electrons scattered through it.
- The elements in Group 1 of the periodic table
- The elements in Group 7 of the periodic table
- A material which contains charged particles which are free to move to carry electrical or thermal energy
- A giant covalent structure which is made up of carbon atoms each of which form four covalent bonds with four other carbon atoms
- Large long-chain molecules made up of lots of small monomers joined together by covalent bonds.
32 Clues: The sport Mrs Floyd coaches • The university Mrs Floyd attended • The number of protons in the nucleus • The forces which exist between molecules • Elements that react to form positive ions • The elements in Group 0 of the periodic table • The elements in Group 1 of the periodic table • The elements in Group 7 of the periodic table • ...
Chemistry Crossword Puzzle 2025-04-27
Across
- Prefix for 1000
- Hydrogen and a nonmetal element
- Composed of two different nonmetals
- A negatively charged ion
- Composed of only one type of atom or molecule
- Tentative explanation for observations
- Science that seeks to understand how matter behaves by studying the behavior of atoms and molecules
- Atoms or molecules arranged in geometric patterns
- The basic particles of elements
- Phase change from gas to solid
Down
- More than one atom
- value of y when x=0
- State of matter with indefinite shape and definite volume
- ____= mass/volume
- Explains what will happen
- Explains why something happens
- A positively charged ion
- Prefix for 7 in binary molecular compounds
- Phase change from liquid to solid
- Cannot be created or destroyed
20 Clues: Prefix for 1000 • ____= mass/volume • More than one atom • value of y when x=0 • A negatively charged ion • A positively charged ion • Explains what will happen • Explains why something happens • Cannot be created or destroyed • Phase change from gas to solid • Hydrogen and a nonmetal element • The basic particles of elements • Phase change from liquid to solid • ...
7D Finn Chemistry 2024-11-04
Across
- Define volume indef
- Gas to liquid
- The ability of one substance to dissolve in another
- 2 or more substances not chemically combined
- Definite shape and volume
- E Most energy
- A song by targis soctt
- A pure substance
- Liquid to gas
- Made with 2 hydrogen and 1 oxygen
- A mixture of 2 or more substances that stays evenly mixed
- Solid to gas
- has no(neutral) charge
- Maximum amount of neutrons on 2nd and 3rd shell
- an invented long word said to mean a lung disease caused by inhaling very fine ash and sand dust.
- Number 14 of the periodic table
Down
- The atomic number is equal to the amount of .. in a element
- The element with the letter K
- Gas to solid
- A technique used to separate an insoluble solid from a liquid mixture using a filter paper
- Solid to liquid
- a substance that dissolves into another Substance
- a mixture where 2 substances that’s blended together and cannot be told apart
- a solution that contains more solute than it would normally due to a given temperature
- has a positive charge
- Pouring from one container to another
- Smallest particle, makes up everything
- separation technique that turns liquid into gas
- the 4th State if matter
- Made with 2 or more elements joined chemically
- Has a negative charge
- Liquid to solid
32 Clues: Gas to solid • Solid to gas • Gas to liquid • Liquid to gas • Solid to liquid • Liquid to solid • A pure substance • Define volume indef • E Most energy • has a positive charge • Has a negative charge • A song by targis soctt • has no(neutral) charge • the 4th State if matter • Definite shape and volume • The element with the letter K • Number 14 of the periodic table • ...
CHEMISTRY CRISS-CROSS 2025-05-22
Across
- energy is the maximum amount of work obtainable from a system at constant temperature and pressure.
- is the spectroscopic technique for determining molecular vibrations.
- is the disorder or randomness in a system.
- is the metal ion at the active site of carbonic anhydrase.
- is a multistep process used to amplify a specific DNA segment.
- is a non-protein molecule essential for enzyme activity, often a metal or vitamin.
- is a cyclic compound with alternating single and double bonds that follows Huckel’s rule.
- is the molecular orbital formed by head-on overlap.
- is a ligand that binds through two donor atoms to a metal center.
- is a chiral compound with a non-superimposable mirror image.
- is the G-protein subunit that binds GTP.
- are a class of compounds containing amino and carboxyl groups.
- is the ion responsible for depolarization in nerve signaling.
- inhibition is a type where Vmax remains unchanged.
- is the process of protein unfolding and loss of function.
- is the pH at which a molecule carries no net charge.
- is the mechanism of ATP synthesis in mitochondria.
- are a family of enzymes that transfer phosphate groups from ATP to substrates.
- is an analytical method using a reference and sample cell to compare absorbance.
Down
- is a DNA-binding domain motif often found in transcription factors.
- is the quantum number that determines the shape of an orbital.
- is a post-translational modification involving sugar addition.
- is the green chemistry principle involving the use of renewable raw materials.
- is a common technique to separate proteins based on size and charge.
- is the enzyme involved in signal termination by breaking down cAMP.
- is an ion or molecule that donates a pair of electrons to a metal.
- is the vitamin required for collagen synthesis.
- is the photosynthetic pigment found in cyanobacteria and plants.
- is the metal center in Vitamin B12.
- is an electrophilic substitution reaction common in aromatic rings.
- is the spectroscopy method used to study nuclear spin states.
- is the common reaction mechanism for tertiary alkyl halides.
- is the aromatic amino acid precursor of serotonin.
- describes a reaction that produces no waste or side products.
- is the spectroscopic method used to determine electronic transitions in conjugated systems.
- transcriptase is the enzyme that synthesizes DNA from RNA in retroviruses.
- is the biochemical process disrupted in cyanide poisoning.
37 Clues: is the metal center in Vitamin B12. • is the G-protein subunit that binds GTP. • is the disorder or randomness in a system. • is the vitamin required for collagen synthesis. • is the aromatic amino acid precursor of serotonin. • inhibition is a type where Vmax remains unchanged. • is the mechanism of ATP synthesis in mitochondria. • ...
Chemistry 13 Solutions 2025-05-19
Across
- a solution that holds the maximum amount of solute under the conditions
- major component in solution
- the number of grams of solute per 100 grams of solution
- dissolved particles are ions; conducts electricity
- amount of compound(grams) that dissolves in a certain amount of liquid
- pressure required to stop the osmotic flow
- uneven sharing of electrons in a covalent bond
- a solution that holds more than the normal maximum amount of solute
- homogeneous mixture of two or more substances
Down
- a membrane that allows some substances to pass through but not others
- contain a solid, liquid, or gas, and water
- dissolved particles are molecules, cannot conduct electricity
- common way to purify a solid
- the flow of solvent from less concentrated solution to a more concentrated solution
- one containing large amounts of solute relative to solvent
- concentrated solutions used in store rooms to save space
- a solution holding less than the maximum amount of solute
- number of moles of solute per liter of solution
- one containing small amounts of solute relative to solvent
- minor component in solution
20 Clues: major component in solution • minor component in solution • common way to purify a solid • contain a solid, liquid, or gas, and water • pressure required to stop the osmotic flow • homogeneous mixture of two or more substances • uneven sharing of electrons in a covalent bond • number of moles of solute per liter of solution • ...
Crossword for Chemistry 2025-07-31
Across
- contains two or more elements
- state of matter that has no shape
- mixture consists of two or more phases
- compounds that contain carbon
- change in the extrinsic properties of a substance without changing its chemical composition
- formed by the combination of any positive ions except hydrogen and any negative ion except hydroxide ion
- change in the intrinsic properties and constitution of the substance
- heterogeneous mixture of two or more substances
Down
- substances composed of two or more elements or compounds which are not chemically combined
- mixture consists of only one phase
- consist of oxygen and one other element
- contain hydrogen which is replaceable by a metal
- contain a metal with hydroxyl group
- compounds which usually are found in minerals
- the molecules are suspended in a medium
- only for low density ionized gases
- simplest form of a substance that cannot be decomposed by simple chemical means, contains only one kind of atom
- homogeneous mixture of two or more substances
- state of matter that has no shape and no volume
- state of matter that has shape, volume, mass
20 Clues: contains two or more elements • compounds that contain carbon • state of matter that has no shape • mixture consists of only one phase • only for low density ionized gases • contain a metal with hydroxyl group • mixture consists of two or more phases • consist of oxygen and one other element • the molecules are suspended in a medium • ...
CHEMISTRY Crossword Puzzle 2025-07-21
Across
- Change in form, not in composition
- Homogeneous mixture of two or more substances
- Substance that produces OH- ions in water
- Type of matter with a fixed composition and distinct properties
- Property that doesn't depend on amount
- Carbon-based substances in living things
- Solid changes directly to gas
- Process where liquid turns into vapor
- Method used to separate solids from liquids
Down
- Elements with both metal and nonmetal characteristics
- Mixture with a uniform composition
- Mixture with particles that don't settle
- Combination of two or more substances, not chemically joined
- Mixture with large particles that settle over time
- Property that depends on the amount of matter
- Change that forms a new substance
- Mixture with visibly different parts
- Separation by boiling point difference
- Mass per unit volume of a substance
- Bond formed by transferring electrons
20 Clues: Solid changes directly to gas • Change that forms a new substance • Mixture with a uniform composition • Change in form, not in composition • Mass per unit volume of a substance • Mixture with visibly different parts • Bond formed by transferring electrons • Process where liquid turns into vapor • Property that doesn't depend on amount • ...
CHEMISTRY WORD SEARCH 2025-07-21
Across
- A negatively charged particle that moves around the nucleus.
- The process in which a single ligand forms multiple bonds with a central metal ion.
- Visible, hot gas from burning substances.
- A combination of two or more substances that do not chemically combine.
- A slow chemical reaction between iron, water, and oxygen.
- A mixture of two or more metals, or a metal and a non-metal.
- A fixed circular path in Bohr’s model where electrons revolve around the nucleus.
- The mixing of atomic orbitals to form new orbitals for bonding.
- The smallest unit of matter that retains the properties of an element.
- Regions in an atom where there is a high probability of finding electrons.
- "Makes up most of the air we breathe, but we can't use it directly."
- Atom or molecule with an electric charge.
Down
- A chemical reaction in which a substance burns in oxygen to release heat.
- A bond formed by sharing of electrons.
- A reaction involving both oxidation and reduction."
- Unequal sharing of electrons in a molecule causes this type of charge separation.
- The amount of space an object or substance occupies.
- A neutral particle found in the nucleus of an atom.
- The chemical decomposition of a substance by passing electric current through it.
- A chemical change producing new substances.
- A compound formed from an acid and a base.
- Measure of the amount of matter.
- A substance with a sour taste and pH less than 7; turns blue litmus red.
- The existence of an element in more than one physical form in the same state (like diamond )
24 Clues: Measure of the amount of matter. • A bond formed by sharing of electrons. • Visible, hot gas from burning substances. • Atom or molecule with an electric charge. • A compound formed from an acid and a base. • A chemical change producing new substances. • A reaction involving both oxidation and reduction." • A neutral particle found in the nucleus of an atom. • ...
Chemistry Vocab Crossword 2025-08-13
Across
- the ability of a substance to dissolve in a solvent to form a solution
- a solution where a large amount of solute is dissolved in a given amount of solvent or solution
- two or more liquids that readily mix and dissolve into each other, forming a homogeneous solution
- a measure of how much mass is contained within a given volume
- a homogeneous mixture where one or more substances are dissolved in another substance
- a solution that contains more dissolved solute than its normal solubility limit at a given temperature and pressure
- the amount of a substance that reacts with, or is equivalent to, a fixed amount of another substance in a specific chemical reaction
- a solution with a low concentration of solute
- calculated by taking the measured uncertainty divided by the measurement times 100
- the amount of a substance present in a given volume of a mixture or solution
- one where the amount of solute dissolved is less than the maximum amount that can be dissolved in the solvent at a given temperature
- a characteristic of a substance that does not depend on the amount of the substance present
- a problem-solving technique used to convert between different units of measurement
Down
- requires a power source to measure
- a graphical representation of how the solubility of a substance changes with temperature
- a substance that dissolves in a solvent to form a solution
- a solution that contains the maximum amount of solute that can be dissolved in a given solvent at a specific temperature and pressure
- the process where a solute, either a gas, liquid, or solid, dissolves in a solvent to form a solution
- a substance or mixture that has a uniform composition throughout
- a solution where water acts as a solvent
- doesn’t require a power source to measure
- a substance that dissolves a solute, resulting in a solution
- the boundary or surface where two different phases of matter meet
- the curved upper surface of a liquid in a container
- a ratio derived from an equality between two different units that allows for the conversion of a measurement from one unit to another
- liquids that do not mix or dissolve in each other to form a homogeneous solution
26 Clues: requires a power source to measure • a solution where water acts as a solvent • doesn’t require a power source to measure • a solution with a low concentration of solute • the curved upper surface of a liquid in a container • a substance that dissolves in a solvent to form a solution • a substance that dissolves a solute, resulting in a solution • ...
Chemistry Lab Equipment 2025-08-13
Across
- Concave piece of glass used to heat chemicals or cover a beaker
- Small glassware used to show a chemical reaction
- Used to move hot beakers
- Holds liquids and has a wide mouth; comes in many sizes
- Safety glasses for your eyes
- Used to hold liquids that need swirling without spilling; has a narrow neck
- Used to hold multiple test tubes upright
- Attached to the ring stand to support the wire gauze
- Used to hold filter paper during filtering
- Used to measure the mass of substances
- Used to clean the inside of beakers
- Used to support lab equipment above the Bunsen burner
Down
- Used to heat substances on the ring stand
- Measures volume of liquids very precisely; tall and narrow
- Used to pick up a narrow neck flask
- Used to hold a test tube when heating or carrying
- Heat resistant container for evaporating liquids
- Measures the acidity or alkalinity of a solution
- Used to measure or transfer small amounts of liquid
- Used to measure temperature
- Used to transfer solids from one container to another
- Used to mix things together
- Metal mesh placed on a ring stand to support glassware during heating
23 Clues: Used to move hot beakers • Used to measure temperature • Used to mix things together • Safety glasses for your eyes • Used to pick up a narrow neck flask • Used to clean the inside of beakers • Used to measure the mass of substances • Used to hold multiple test tubes upright • Used to heat substances on the ring stand • Used to hold filter paper during filtering • ...
MATTER IN CHEMISTRY 2025-01-06
Across
- Anything that occupies space.
- An example of filtration.
- Anything that has mass and occupies space.
- Separation based on size.
- A property that can be observed without changing the chemical make-up of the substance.
- Matter that has the same properties or characteristics.
- A property that depends on the size of the sample.
- A mixture that has the same uniform composition throughout.
Down
- Made up of two or more different elements chemically combined.
- A mixture with a different composition, visibly different parts.
- Separation based on size and charge(polarity).
- Elements combined in definite proportions.
- Something used to identify unknown substances.
- A property that does not depend on size.
- A property that describes a permanent change.
- A substance that can't be broken down by a chemical change.
- A set of characteristics by which a substance is recognized.
- We measure matter by finding the ____ because ____ is always constant.
- consists of two or more substances.
- Separation based on boiling points.
20 Clues: An example of filtration. • Separation based on size. • Anything that occupies space. • consists of two or more substances. • Separation based on boiling points. • A property that does not depend on size. • Elements combined in definite proportions. • Anything that has mass and occupies space. • A property that describes a permanent change. • ...
YEAR 9 Chemistry 2025-08-29
Across
- – A reaction that absorbs energy from the surroundings.
- Variable – The factor you measure.
- – A reaction between an acid and a base to form salt and water.
- – A measure of how hot or cold something is.
- Rate – How fast a reaction happens.
- – pH = 7; neither acidic nor basic.
- – When reactions happen at equal rates in both directions (balanced).
- – A scale from 0–14 showing how acidic or basic a solution is.
- – Plant pigment (e.g. red cabbage juice) used as a natural pH indicator.
- – A substance with pH < 7, produces hydrogen ions (H⁺).
- Variables – Factors you keep the same to make the test fair.
Down
- – The ability of an indicator to show small changes in pH.
- – A glass tube with a tap (stopcock) used to measure volumes of liquid accurately in titrations.
- – A substance that changes colour in acids and bases (e.g. litmus, phenolphthalein, flavin/red cabbage).
- – A base that dissolves in water.
- Equation – A way of showing a chemical reaction using words (e.g. acid + metal → salt + hydrogen).
- – When substances interact and change into new substances.
- – How quickly/easily a substance reacts.
- – A substance that reacts with acids, often produces hydroxide ions (OH⁻).
- – The ability to do work or cause change.
- – A reaction that releases energy, usually as heat or light.
- – An element that is usually shiny, conducts heat/electricity, and reacts with acids.
- Variable – The factor you change in an experiment.
- – A small tap used to control liquid flow in a burette.
- – A tool used to measure and transfer small, precise amounts of liquid.
25 Clues: – A base that dissolves in water. • Variable – The factor you measure. • Rate – How fast a reaction happens. • – pH = 7; neither acidic nor basic. • – How quickly/easily a substance reacts. • – The ability to do work or cause change. • – A measure of how hot or cold something is. • Variable – The factor you change in an experiment. • ...
Chemistry of Life 2025-08-28
Across
- Monomer of nucleic acid (DNA, RNA)
- Stored energy
- Made up of amino acids
- Bond formed by the transfer of electrons
- Monomer of protein
- With fatty acids, makes a lipid
- Negatively charged subatomic particle
- With glycerol, makes a lipid
- Composed of fatty acids and glycerol
Down
- Monomers are joined by removal of water
- Bonds involving the sharing of electrons
- Uncharged subatomic particle
- Mono, di and polysaccharide
- Bonds that do not form new molecules
- Energy of motion
- Any substance that has mass and occupies space
- Polymer of nucleotides
- Monomer of carbohydrate
- Positively charged subatomic particle
- Smallest particle into which a substance can be divided and still retain its chemical properties
- Electrons & protons in this type of atom are not equal
21 Clues: Stored energy • Energy of motion • Monomer of protein • Polymer of nucleotides • Made up of amino acids • Monomer of carbohydrate • Mono, di and polysaccharide • Uncharged subatomic particle • With glycerol, makes a lipid • With fatty acids, makes a lipid • Monomer of nucleic acid (DNA, RNA) • Bonds that do not form new molecules • Composed of fatty acids and glycerol • ...
Year 9 Chemistry 2025-09-09
Across
- Likely to give off nuclear radiation
- Shows pH by a colour change
- Particles inside an atom
- Random motion caused by tiny particles
- Neutral particle in the nucleus
- Substance with different atoms in it
- Version of an atom with a certain mass
- How to find out whether hydrogen is present
- Radiation consisting of 2 protons and 2 neutrons
- Groups 3-12 on the Periodic Table
- Chemicals coming out
- Column indicating number of valence electrons
- Being sour
- When a property remains the same
- Charged atom
- Negative ion containing hydrogen and oxygen
- Acid or base that always produces ions
- Likely to undergo decay
- Opposite of acidity
- Positive particle in the nucleus
- Central part of an atom
- Has a pH > 7
- Acid or base that sometimes produces ions
- Tends to accept electrons
- Can be bent
- Level where electrons can be
- Negative particle outside the nucleus
- Used to test for carbon dioxide
- Takes in heat
- Summary of the substances in a reaction
- Zone where electrons may occur
- Chemicals going in
- Measure of how acidic something is
- The time taken for 50% to decay
- Property that responds to electric fields
- Reaction where substance does not change
- A type of nuclear decay that is an electromagnetic ray
Down
- How much radiation knocks electrons off atoms
- Heat needed for a reaction to begin
- How much radiation travels through materials
- Organised display of elements
- Arrangement of electrons
- Has a pH < 7
- Allows flow of electricity
- Chemical formed in a neutralisation reaction
- Allows energy only to leave
- No movement of matter or energy from the system
- Allows matter to leave
- Smallest particle of an element
- Reaction between acid and base
- Chemical with a defined makeup of atoms
- Radiation that can be an electron or positron
- May behave like a metal and a nonmetal
- Connection between atoms
- Solid coming out of a liquid
- Neither positive nor negative
- Different arrangement of an element
- Mixture used to measure pH in a rainbow
- The number of atoms is the same on both sides
- Atoms bonded together in a package
- Substance with one kind of atom
- Row indicating number of shells
- Gives off heat
- Does not undergo decay
- Tends to give electrons
- Reaction where substances change
66 Clues: Being sour • Can be bent • Has a pH < 7 • Charged atom • Has a pH > 7 • Takes in heat • Gives off heat • Chemicals going in • Opposite of acidity • Chemicals coming out • Allows matter to leave • Does not undergo decay • Likely to undergo decay • Central part of an atom • Tends to give electrons • Particles inside an atom • Arrangement of electrons • Connection between atoms • ...
Chemistry lab equipment 2025-09-10
Across
- holding a test tube in place when tube is hot or should not be touched
- scraping,transfer or apply powder and paste like chemicals
- squirt water to clean laboratory glassware and other equipment
- measuring temperature
- mixing, storing, and heating liquids
- measuring mass or weight
- pouring liquids or fine grained substances into container with a small opening
- grasping hot lab glass or ceramic dishes
- measure volume of irregular objects
- hold test tubes so they dont roll away, tip over, or break
- heating, sterilization, and combustion
- frame thats holds glass or ceramic equipment above a bunsen burner
- protect hands while picking up hot objects
- holding thermometor in place during an experiment
Down
- cleaning test tubes, graduated cylinders, and erlen meyer flask
- heating and stirring substances
- perform reactions with a very small volume of chemicals
- weighing substances that will be transferred to another vessel
- measuring volume of liquids
- crush and grind materials into a fine paste or powder
- sealing openings of test tubes, flask,and laboratory glassware
- measuring and transfer small volumes of liquid
- holds or clamps laboratory glassware and other equipment in place
- prevents particulates, water, or chemicals from striking eyes
- holding,mixing,and heating small volume of chemical experiments
- stirring or mixing liquids
- grasping small objects
- placed on an iron ring or tripod to support glassware
- contais chemicals when heating them to very high temperatures
- evaporate liquid, heating small ammount of substance or cover a beaker
- mixing,storing, and heating liquids
- transfer powders and solids from one vessel to another
- supporting objects above a work surface or bunsen burner
33 Clues: measuring temperature • grasping small objects • measuring mass or weight • stirring or mixing liquids • measuring volume of liquids • heating and stirring substances • measure volume of irregular objects • mixing,storing, and heating liquids • mixing, storing, and heating liquids • heating, sterilization, and combustion • grasping hot lab glass or ceramic dishes • ...
Chemistry Paper 2 2025-10-01
Across
- Test used to compare sustainability of products
- A factor that increases the rate of reaction without being used up
- Gas that turns limewater cloudy
- A reaction that gives out heat
- Test for chlorine gas – turns damp litmus this colour
- Increasing this factor means more particles in a given volume
- Substance made from small molecules joining together
- Process of breaking long-chain hydrocarbons into shorter, useful ones
- Desalination removes this from seawater
- Flame test colour for sodium ions
- Monomers with double bonds used to make addition polymers
- Name for gases that trap heat in atmosphere
- Gas linked to acid rain
- Metal that is low density and resists corrosion
- Main gas in Earth’s atmosphere
- Gas produced by incomplete combustion
- General formula for alkanes
- What shifts the position of equilibrium when conditions change
Down
- Hydrocarbon containing a double bond
- The minimum energy particles need to react
- White precipitate formed with calcium ions and sodium hydroxide
- Gas increasing in atmosphere due to fossil fuel combustion
- Hydrocarbon containing only single bonds
- Term for long-term changes in global weather patterns
- Method used to separate coloured dyes in ink
- Flame test colour for copper ions
- Human activity increasing methane in atmosphere: _______ farming
- Reusing and processing waste materials
- Alloy made of iron and carbon
- Method of sterilising water using gas
- What factor increases by reducing particle size
- Flame test colour for potassium ions
- Second most abundant gas in Earth’s atmosphere
- Reversible reactions reach this state when forward and backward reactions balance
- Increasing this increases the average energy of particles
- Reaction where alkenes react with bromine water, decolourising it
- Test for hydrogen gas – produces this sound
- Alcohols react with oxygen to form water and this gas
- Gas needed in the Haber Process with nitrogen to make ammonia
- Natural material used to make glass
40 Clues: Gas linked to acid rain • General formula for alkanes • Alloy made of iron and carbon • A reaction that gives out heat • Main gas in Earth’s atmosphere • Gas that turns limewater cloudy • Flame test colour for copper ions • Flame test colour for sodium ions • Natural material used to make glass • Hydrocarbon containing a double bond • Flame test colour for potassium ions • ...
Chemistry Group 17 2025-09-30
Across
- The state of the halogens at room temperature
- The color of the radioactive element found in group 17
- The product formed when halogens react with metals
- The atomic radius of halogens going down the group
- The most electronegative element found in group 17
- The use of chlorine to wash away stains on clothings
- Where an element is both oxidized and reduced
- The classification of the elements in the group
- What the halide ionic radii becomes, going down the group
- The number of valence electron in the group
Down
- The only halogen that is liquid in room temperature
- Type of chemical reaction where a more reactive halogen replaces a less reactive one
- Is the name of group 17 elements
- Iodine is used in this solution to heal wounds
- The property that can wear away or damage materials
- Refers to how easily a substance could evaporate
- The primary bonding that halogens formed
- The least electronegative element found in group 17
- Trend where reactivity decreases as you move from fluorine to iodine
- A radioactive element found in group 17
20 Clues: Is the name of group 17 elements • A radioactive element found in group 17 • The primary bonding that halogens formed • The number of valence electron in the group • The state of the halogens at room temperature • Where an element is both oxidized and reduced • Iodine is used in this solution to heal wounds • The classification of the elements in the group • ...
Chemistry Grade 10 2025-10-02
Across
- acid Acid found in vinegar
- test Test used to detect acids and bases
- A uniform mixture of two or more substances
- Final answer
- reaction Change that produces new substances
- energy Energy stored in chemical bonds
- Color of universal indicator in neutral solution
- Gas humans breathe in that plants release
- Process where a solid changes directly to gas
- Smallest unit of matter
- dioxide Gas that makes fizzy drinks bubble
- Gas used in balloons because it’s lighter than air
Down
- Process that separates liquids by boiling points
- Substance that speeds up a reaction but isn’t used up
- Scientist who created the periodic table
- Two or more atoms bonded together
- Opposite of an acid
- Element with the chemical symbol Na
- Element symbol S stands for this
- Metal that is liquid at room temperature
- Metal that rusts easily when exposed to air and water
- cylinder Tool used to measure liquid volume accurately
22 Clues: Final answer • Opposite of an acid • Smallest unit of matter • acid Acid found in vinegar • Element symbol S stands for this • Two or more atoms bonded together • Element with the chemical symbol Na • energy Energy stored in chemical bonds • Scientist who created the periodic table • Metal that is liquid at room temperature • Gas humans breathe in that plants release • ...
Highschool Chemistry Test 2025-10-31
Across
- Table ordering all the known elements
- Discovered the electron
- Discovered that electrons orbit around the nucleus
- Elements with a different number of neutrons
- Groups 1,2 and 13-18
- Electrons on the outermost energy shell
- Average mass of an atom including all its isotopes
- Neutrally charged particle
- The Columns in the periodic table based off of number of electron shells
- Number of electron shells
Down
- Arrangement of Electrons in an atom
- The rows in the periodic table based on how many valence electrons something has
- How well something conducts electricity/temperature
- Elements like Lanthanum
- Made the modern periodic table
- Number of protons in an atom
- Positively charged particle
- Hard but prone to shattering/breaking
- An atomic model is based off of this food
- Negatively charged particle
- a solid material which is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity
- THE BEST SCIENCE TEACHER!!!
- Who discovered the nucleus
- Elements like Actinium
- The basic unit of an element
25 Clues: Groups 1,2 and 13-18 • Elements like Actinium • Elements like Lanthanum • Discovered the electron • Number of electron shells • Who discovered the nucleus • Neutrally charged particle • Positively charged particle • Negatively charged particle • THE BEST SCIENCE TEACHER!!! • Number of protons in an atom • The basic unit of an element • Made the modern periodic table • ...
Chemistry #2 Puzzle 2025-10-17
Across
- charge of the neutron
- the independent variable is the item that ______
- items ____ dense than one will float in water
- bond between metal and nonmetal
- bond where electrons are shared
- substance made of two or more substances that are physically combined
- elements to the right of the stairstep
- mass number=protons + __________
- elements on the stairstep
- the simplest substance made of one type of atom
- density=____/volume
- items to the right of the arrow in a chemical equation
- items with a pH from 7.1-14
- unit for solid volume
- unit for liquid volume
- what a row is called on the periodic table
- a description of an item (ex: paper is white and flammable)
- items to the left of the arrow in a chemical equation
Down
- elements to the left of the stairstep
- a rusting car is a ______ change
- atoms with a charge (either positive or negative)
- substance made of two or more elements that are chemically combined
- unit for mass
- constants are items that stay the ____
- which part of the atom determines the element
- the fourth state of matter, which is a charged gas
- charge of the proton
- the fourth state of matter
- part of the atom outside of the nucleus
- atoms of the same element, but with a different number of neutrons
- ____ electrons that are on the outside shell of an atom
- charge of the electron
- density of water (spell out number)
- measure of the amount of matter in a given space
- items with a pH from 0-6.9 are considered _____
- what a column is called on the periodic table
36 Clues: unit for mass • density=____/volume • charge of the proton • charge of the neutron • unit for solid volume • charge of the electron • unit for liquid volume • elements on the stairstep • the fourth state of matter • items with a pH from 7.1-14 • bond between metal and nonmetal • bond where electrons are shared • a rusting car is a ______ change • mass number=protons + __________ • ...
Chemistry Choice Board 2025-10-10
Across
- a visual method to show how electrons are distributed within an atom's orbitals, using boxes for orbitals and arrows for electrons to represent their spin and energy level.
- Atom or group of atoms with a negative charge.
- A shorthand method of representing atoms and valence electrons.
- The rule stating electrons fill a sublevel by 1 electron occupying each orbital before a 2nd electron can occupy any orbital.
- A measure of the angular moment of an electron in an orbital.
- A charged atom or group of atoms due to gain or loss of electrons.
- A shorthand method for writing an atom's electron configuration by using the symbol of the noble gas from the previous period to represent the inner-shell electrons.
- Any energy state other than the ground state.
- Electrons in the outermost energy level of an atom
- Divisions of principle energy levels within an atom that are further divided into orbitals.
Down
- A massless particle of light consisting of a bundle of wave energy.
- A 3D region representing the most probable position of an electron according for an electron according to the quantum mechanical model.
- Model proposed by Neil Bhor where electrons move around nucleus.
- The current description of both light and matter as having characteristics of waves and particles simultaneously.
- The arrangement of electrons in the ground state of the element.
- The orbits or energy levels in the atomic models.
- Atom or group of atoms with a positive charge.
- An incomplete spectrum in the form of a series of colored lines.
- The lowest energy level of an electron in the Bohr model.
- A principle that states electrons will fill the inner most energy level before the outer most layers.
20 Clues: Any energy state other than the ground state. • Atom or group of atoms with a negative charge. • Atom or group of atoms with a positive charge. • The orbits or energy levels in the atomic models. • Electrons in the outermost energy level of an atom • The lowest energy level of an electron in the Bohr model. • ...
Chemistry of Life 2025-10-14
Across
- The main components of cell membranes.
- A solution where the concentration of solutes outside the cell is higher than inside.
- A chain of amino acids held together by peptide bonds.
- A form of endocytosis; where cells engulf liquid droplets.
- Respiration that takes place without oxygen.
- The carbohydrate that forms the cell wall of plants.
- A process where a constant internal environment is maintained despite changes in the internal and external environment.
- A lipid composed of glycerol and three fatty acids which are bonded together.
- The movement of molecules from an area of high concentration to an area of low concentration.
Down
- A solution where the concentration of solutes outside the cell is equal to inside the cell.
- A solution where the concentration of solutes outside the cell is lower than inside the cell.
- Organisms that use energy, usually light, to synthesize their own food.
- Nutrients made up of one or more sugar molecules.
- The loss of electrons from an atom or molecule.
- The movement of materials across a cell membrane using cell energy.
- A form of endocytosis; where cells engulf solid particles.
- Large molecules that are made by joining several separate units.
- A large carbohydrate molecule used by plants to store energy.
- The diffusion of water molecules.
- The movement of materials across a cell membrane without the use of energy from the sun.
20 Clues: The diffusion of water molecules. • The main components of cell membranes. • Respiration that takes place without oxygen. • The loss of electrons from an atom or molecule. • Nutrients made up of one or more sugar molecules. • The carbohydrate that forms the cell wall of plants. • A chain of amino acids held together by peptide bonds. • ...
Chemistry Elements Crossword 2025-11-26
Across
- How is the modern periodic table organized?
- What are highly reactive nonmetals that gain one electron to form -1 ions?
- How are elements rarely react with other substances classified?
- Metals have very ____ melting points
- Nonmetals are ____ conductors of heat and electricity
- Metalloids contain properties of _____ and ____
- An element is classified as _____ that readily forms compounds
- Lithium is a ______ Metal
- Lanthanides oxidize when exposed to ____
- Halogens charge is _____
- Have a full valence electron shell
- Elements have a regularity in their ______
- All _____ are radioactive
- What inert gases with full valence shells, making them very stabel.
- How many bonding pairs of electrons are present in the lewis dot structure of a nitrogen molecule?
- What metals have variable valencies and can form multiple positive ions?
Down
- Helium is a _____
- In groups 1-3 __ - __ have a consistent ion charge pattern
- curlum is a _____
- How many valence electrons does a atom of oxygen have?
- Manganese is a _____ Metal
- When metals and nonmetals chemically bond together, ions are formed from a _____ of electron.
- lanthanides and actinides are block elements which means they are ____ on earth and radioactive.
- Transition metals have good _____ of heat and electricity`]
- Metals ____ electrons
- What are highly reactive metals that readily lose one electron to form a +1 ion.
- Who is credited for designing the first periodic table?
- What reacts with water to form bases
- Europlum is a _____
- Alkalo metals are extremely _____
- Nonmetals _____ electrons
31 Clues: Helium is a _____ • curlum is a _____ • Europlum is a _____ • Metals ____ electrons • Halogens charge is _____ • Lithium is a ______ Metal • Nonmetals _____ electrons • All _____ are radioactive • Manganese is a _____ Metal • Alkalo metals are extremely _____ • Have a full valence electron shell • Metals have very ____ melting points • What reacts with water to form bases • ...
Grade 11 Chemistry 2025-11-17
Across
- Group of very reactive non-metals
- Scientist who proposed the Law of Octaves for organizing the elements
- Scientist who introduced atomic triads
- Two electrons shared between atoms is what kind of bond
- Gas that is identified with a pop test
- Discovered the neutron
- Element with many allotropes
- Compound added to propane tanks for detection of leaks
- Yellow nonmetal that forms acidic solutions when burned
- Number of valence electrons in oxygen
- Proposed the first modern atomic theory
- Speeds up a reaction
- Term for electrons in the outermost shell
- Most reactive metal
- Creates a bright red flame test
- Atoms of the same element with different masses
Down
- Property increasing across a period from left to right
- Strong solid made of covalent bonds throughout
- Established existence of a positively charged nucleus
- basic building blocks of material
- More reactive than magnesium but less reactive than lithium
- subatomic particles which participate in reactions
- Can be used to isolate silicon from sand
- Group of highly reactive metals
- Element essential for combustion
- Substance early experimenters attempted to create by transmutation
- Term used by Democritus for indivisible particles
- Horizontal rows in the periodic table
- Discovered the electron
- Elements with some qualities of metal and some qualities of non-metals
- One of the four Greek elements
- Bond formed by transfer of electrons
32 Clues: Most reactive metal • Speeds up a reaction • Discovered the neutron • Discovered the electron • Element with many allotropes • One of the four Greek elements • Group of highly reactive metals • Creates a bright red flame test • Element essential for combustion • Group of very reactive non-metals • basic building blocks of material • Bond formed by transfer of electrons • ...
Chemistry 30 Review 2025-12-19
Across
- Species that is reduced and causes oxidation
- Proton donor (Brønsted–Lowry)
- Reaction that releases heat
- Measure of acidity or basicity
- Species that is oxidized and causes reduction
- Electrode where oxidation occurs
- Reaction involving electron transfer
- Reaction where atoms add across a multiple bond
- Device that allows ion flow to maintain charge balance
Down
- Device using electricity to drive a reaction
- Measurement of heat changes
- Reactive group determining organic properties
- Reaction where one atom/group replaces another
- Reaction that absorbs heat
- Compound containing only carbon and hydrogen
- Energy required to break a chemical bond
- Ratio of products to reactants at equilibrium
- Process of forming large molecules from monomers
- Voltage produced by an electrochemical cell
- System shifts to oppose a stress
- Enthalpy change depends only on initial and final states
- Compounds with same molecular formula, different structures
- Device converting chemical energy to electrical energy
- Energy change of a system at constant pressure
- Forward and reverse reactions occur at equal rates
- Gain of electrons
26 Clues: Gain of electrons • Reaction that absorbs heat • Measurement of heat changes • Reaction that releases heat • Proton donor (Brønsted–Lowry) • Measure of acidity or basicity • System shifts to oppose a stress • Electrode where oxidation occurs • Reaction involving electron transfer • Energy required to break a chemical bond • Voltage produced by an electrochemical cell • ...
Chemistry Crossword Challenge 2025-12-19
Across
- the time that it takes for half the atoms in a given sample to decay
- 6.02 x 10^23
- the basic unit of matter
- a large nucleus splits into two smaller nuclei
- element with only one proton in the nucleus
- water is a ________ molecule
- small number used to state the ratio of elements in a chemical formula
- a nuclear emission containing two protons and two neutrons
- a nuclear emission with no mass and a negative charge
- the highest energy electron shell
- a negative subatomic particle discovered by Thomson
- horizontal arrangement of elements in the periodic table
- Mrs. Torres' favorite compound
- Ar
- from gas to liquid
Down
- two or more elements chemically combined
- symbol for iron
- combines two light nuclei to form a heavier nucleus
- element number 79
- neutral particle inside the nucleus of an atom
- contains protons and neutrons
- vertical columns on the periodic table
- substance shown before the arrow in a chemical equation
- nuclear emission with the greatest penetration power
- letters that represent an element in the Periodic Table
- from liquid to solid
- it goes up as the temperature goes up
- positive particle inside the nucleus of an atom
- substance shown after the arrow in a chemical equation
- symbol for silver
30 Clues: Ar • 6.02 x 10^23 • symbol for iron • element number 79 • symbol for silver • from gas to liquid • from liquid to solid • the basic unit of matter • water is a ________ molecule • contains protons and neutrons • Mrs. Torres' favorite compound • the highest energy electron shell • it goes up as the temperature goes up • vertical columns on the periodic table • ...
Fall Chemistry Final 2025-12-10
Across
- two or more charged atoms bonded together
- Unit of electrical current
- A negatively charged subatomic particle
- What happens to ionic compounds in water
- A systematic way of thinking with its own purposes and methodologies, just as science is a systematic way of thinking with its own purposes and methodologies
- Energy transfer through physical contact
- The main mechanism of static
- When an atom gets a partial charge
- A charged atom
- The site of the most rapid glacial melt in the world
- Unit of mass
- Length x Width
- Sodium chloride
- The type of light energy that is emitted by dark materials over time
- F=cm T
- Unit of energy
- Calories of energy required to melt 1 gram of a substance
- A push or pull
- Mass per unit volume
- A proposed solution to stop ice melt by building an underwater wall to block warm salt water from the glacier
- Unit of energy
- A positively charged subatomic particle
- Light energy
- A substance that does not easily allow electricity through
Down
- Area x Height
- M1T1=M2T2
- Side of a graph usually used to show the dependent variable
- Electrons moving
- A natural event that can release lots of carbon dioxide into the atmosphere
- A substance that allows electricity through
- The ionic compounds needed in the human body for various functions
- A proposed solution to stop ice melt by adding a layer of white beads to increase the albedo of the ice
- Side of a graph usually used to show time or independent variable
- Energy in calories needed to change 1 gram of it by 1 °C
- A type of material that has free electrons and conducts electricity
- The smallest component of all matter
- Energy transfer through the movement of fluids
- The whiteness of a material
- Solid, liquid, or gas
- A subatomic particle with no charge
40 Clues: F=cm T • M1T1=M2T2 • Unit of mass • Light energy • Area x Height • A charged atom • Length x Width • Unit of energy • A push or pull • Unit of energy • Sodium chloride • Electrons moving • Mass per unit volume • Solid, liquid, or gas • Unit of electrical current • The whiteness of a material • The main mechanism of static • When an atom gets a partial charge • A subatomic particle with no charge • ...
HL Chemistry Crytp 2025-12-11
Across
- Life force, right aluminum? It has a mirror image (6)
- Strange non-scare regarding benzene structure (9)
- Constant financial agreements found in double glazing? (2,5)
- The loan arranged for fuel (7)
- Action of salty mixture speeds up the process (8)
- Total securities involving axial symmetry? (5,5)
- Voltaic cell component: bridge made of sailors? (4)
- Rodent followed by energy gives speed (4)
- ketones hidden in carbony larder (8)
- French physicist: a gem on the radio (5)
- Article and poem make a site of loss(5)
- Study of rates: nice skit performed (8)
- Chaos seen in green trophy cabinet (7)
- Ouch! on the radio measures this confused fence query (9)
- New era for a gas (4)
- Thank you, North Dakota, everybody, for the light show! (7)
Down
- Lid nag exploded? It donates electrons (6)
- Laugh, look, information source: it forms salts (7)
- Mean orient shifts for optical isomer (10)
- Bird allowance used for volumetric analysis (9)
- Energy when crazy hunt loses united in chaotic play(8)
- Elementary particle, for example, at four it has unknown capacity to attract (17)
- Energy to form crystal: tiny cattle help movement (7,8)
- Base found in walk a little way (6)
- One very high energy atomic variant (7)
- Spy with known amount of substance (4)
- Rate of change found in love city, perhaps? (8)
- Sweet compound found in wildest errands (5)
- Path or bit of skull? (7)
- Flow of charge occurring at this time (7)
30 Clues: New era for a gas (4) • Path or bit of skull? (7) • The loan arranged for fuel (7) • Base found in walk a little way (6) • ketones hidden in carbony larder (8) • Spy with known amount of substance (4) • Chaos seen in green trophy cabinet (7) • One very high energy atomic variant (7) • Article and poem make a site of loss(5) • Study of rates: nice skit performed (8) • ...
uncrossword 2023-02-14
10 Clues: doomguy • scarcely • work in team • learn chemistry • hero in mortal kombat • something not important • when you can't do something • something that you can't realize • when you cant understand somebody • what you shouldn't do with an opponent
Spelling lesson 17 (wh,ch,ph) 2024-04-11
10 Clues: A picture. • An animal. • Experiment. • A kind of band. • A kind of doctor. • What is _________? • No,_________ in class. • It is used to hold stuff. • You can have _________ toy you want. • The wind was ___________ in the trees.
Kenyon College Quiz Bowl 2025-05-06
10 Clues: THE university • Frankly nostalgic • It brings the buzz • Tenth in a lineage • Causes Jordan Yellin' • NCA mineral, for Iris • Compounding difficulty? • Experience rapture, or tossups • Our leader, our compass, our buzzer • Fitting footwear color for surrender
Unit 1 Section B 2021-03-17
Science 2022-11-04
Across
- when the molecules have more than one type of atom.
- Whenever atoms of the same type are grouped together.
- a building block because they can be combined in many.
- relating to chemistry, or the interactions of substances as studied in chemistry.
- diverse in character or content
- a metal made by combining two or more metallic elements, especially to give greater strength or resistance to corrosion
Down
- a form of matter having constant chemical composition and characteristic properties. Some references add that chemical substance cannot be separated into its constituent elements by physical separation methods, i.e., without breaking chemical bonds.
- whenever a type of atom is held together with chemical bonds.
- when different elements are grouped together.
- of the same or a similar kind or nature.
10 Clues: diverse in character or content • of the same or a similar kind or nature. • when different elements are grouped together. • when the molecules have more than one type of atom. • Whenever atoms of the same type are grouped together. • a building block because they can be combined in many. • whenever a type of atom is held together with chemical bonds. • ...
CARIRI's Crossword Puzzle 2024-10-21
Across
- CARIRI has three locations 1) St. Augustine 2) Macoya and __________
- This CARIRI programme allows us to work with early stage entrepreneurs and SMEs to #BuildBetterBusinesses over a 3 month period.
- First name of the Lab Manager for the Analytical Chemistry department
- #14 under our Occupational Hygiene Services (OHS) ‘Current Services’: ____________ Assessments
- CARIRI is a founding member of this organization that facilitates collaboration across borders and boundaries.
Down
- Under our Industrial Materials Unit, our team provides state-of-the-art testing and quality assurance services to ensure that _____________ materials meet industry standards.
- CARIRI’s Chairman Surname
- This is an Instrumentation used by our Analytical Chemistry Department
- CARIRI was established with the technical and financial assistance from the UNDP and _______
- CARIRI is certified under this HSE management system.
10 Clues: CARIRI’s Chairman Surname • CARIRI is certified under this HSE management system. • CARIRI has three locations 1) St. Augustine 2) Macoya and __________ • First name of the Lab Manager for the Analytical Chemistry department • This is an Instrumentation used by our Analytical Chemistry Department • ...
Chemistry Crossword Puzzle 2016-04-03
Across
- The minimal amount of any physical entity involved in an interaction
- How close a result comes to the true value
- A white crystalline substance that gives seawater its characteristic taste and is used for seasoning
- The process by which an atom or molecule acquires a negative or positive charge
- The chemical formula of Sulfuric acid
- The distance between successive crests of a wave, especially points in a sound or electromagnetic wave
- An atom or molecule with a net electric charge due to loss or gain of one or more electrons
- The Greek prefix for "ten"
- An atom or nucleus having a specific # of protons & neutrons
- A solution of hydrogen fluoride in water
- The chemical formula of Potassium hydroxide
- Colorless fluid part of blood
- A unit of pressure and sometimes used as a reference or standard pressure
- The Greek prefix for "one"
- The Greek prefix for "four"
- The solute state of carbon dioxide in water
- A formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms
- The # of positive charges or protons in an atoms nucleus
- A chemical reaction in which a single substance is produced from multiple reactants
- A measure of the size of its atoms; typical distance from the center of the nucleus to the boundary of the electrons
- An insoluble solid that emerges from a liquid solution
- A weak bond between 2 molecules resulting from an electrostatic attraction between a proton in one molecule & an electronegative atom in the other
- Mass of a substance divided by its amount of substance
- The chemical formula of Sodium hydroxide
- Principals on which the practice of an activity is based
- Idea or theory that's not proven but leads to more study
- The Greek prefix for "eight"
- The mass of a substance containing the same number of fundamental units as there are atoms
- The Greek prefix for "nine"
- A part of aspect of something abstract
- A small object built to scale that represents another object
- Separation of electric charge leading to a molecule or its chemical groups having an electric dipole or multiple moment
- The sum of the atomic weights of the atom in the empirical formula of the compound
- An odorless, colorless gas that can kill you
Down
- Is a visual representation of a reaction using chemical formulas
- Having a consistency like that of water or oil
- A chemical compound that contains exactly two different elements
- An activity series list metals and other elements in order of their reactivity, with the most reactive elements at the top
- A specified or indefinite number or amount
- The chemical formula of Nitric acid
- A discrete bundle (or quantum)of electromagnetic (or light) energy
- Named after French mathematician, physicist, inventor, writer Blaise Pascal
- When heated in air will decompose to give elemental mercury, a liquid metal, and oxygen gas
- The lowest energy state of an atom or other particle
- The chemical formula of Hydrochloric acid
- Sum of masses of its isotopes x natural abundance
- The percentage of a formula mass represented by each element
- It is quantitatively expressed in symbols as: X + energy -> X + e
- Are the result of a model which combines atomic orbitals on a single atom that lead to a new set of orbitals
- A coherent,typically large body of matter
- A system of names and terms used in a particular field of study or community
- A reaction in which one of the reactants is oxygen, the other reactants is usually hydrocarbon
- A written representation of a chemical reaction, - symbols and amounts of reactants are separated in an equation
- The idea that atomic orbitals fuse to form newly hybridized orbitals, which influences molecular geometry & bonding properties
- A chemical element with the symbol Li
- The basic unit of a chemical element
- A pair of equal and oppositely charged or magnetized poles separated by a distance
- 3 dimensional space occupied by gas, liquid or solid
- Any of the elements fluorine, chlorine, bromine, iodine, and astatine occupying group VIIA (17)
- Is = to 1/12 the mass of carbon-12 atom
- The rate at which something occurs or is repeated over a particular period of time
- Physical substance in general, as distinct from mind & spirit
- What the "10" represents in P4O10.
- A negatively charged ion, one that would be attracted to the anode in electrolysis
- The chemical formula of Calcium
65 Clues: The Greek prefix for "ten" • The Greek prefix for "one" • The Greek prefix for "four" • The Greek prefix for "nine" • The Greek prefix for "eight" • Colorless fluid part of blood • The chemical formula of Calcium • What the "10" represents in P4O10. • The chemical formula of Nitric acid • The basic unit of a chemical element • The chemical formula of Sulfuric acid • ...
Chemistry of life 2016-09-29
Across
- Saturated fats tend to be _______at room temperature.
- Sometimes electrons are _______between atoms instead of being transferred.
- Solutions with a pH below 7 are considered _______.
- Cellulose is the ____________materials found in the cells.
- Glycogen is only found in ______.
- The atoms that compose compounds are held together by______.
- Bond formation always involves the _____that surround the nucleus of each atom.
- When electrons are gained or lost,______are formed.
- A molecule that is positive at one end and a negative at the other end is called a ______.
- The building blocks of the nucleic acids are _______.
- Many,many molecules of ________are bonded together to form starch
- Enzymes are never_______.
- There are ______different amino acids.
Down
- A solution is a _________mixture.
- Solutions with a pH above 7 are considered _______.
- The shared electrons spend less time around the ______atom.
- Water molecules stick to one another because of ______.
- A ______is polar because there is an uneven distribution of electrons between the oxygen and hydrogen atoms.
- The building blocks of proteins are_______.
- There are two main types of bonds:_______.
- A single water molecule can form up to ______hydrogen bonds with other water molecules.
- Enzymes can be used ________again.
- Starch is only found in _______.
- When atoms are joined together by covalent bonds,______are formed.
- _______are very specific, they can only carry out one job, but they do that one job extremely well.
- Unsaturated fats tend to be _______at room temperature.
- These compounds are generally not _______in water.
27 Clues: Enzymes are never_______. • Starch is only found in _______. • A solution is a _________mixture. • Glycogen is only found in ______. • Enzymes can be used ________again. • There are ______different amino acids. • There are two main types of bonds:_______. • The building blocks of proteins are_______. • These compounds are generally not _______in water. • ...
Chemistry basics review 2016-09-20
Across
- a measured amount of matter in an object
- should be worn when dealing with chemicals to protect your hands
- worn on eyes during all lab experiments
- curved upper surface level in a tube
- person who teaches us our chemistry class
- material that is a bacteria that can cause disease
- used to keep chemicals off of skin and clothing
- can go under extreme hazardous material
- use fire extinguisher on
- someone's clothing is on fire
Down
- workplace hazardous materials information system
- where a gas mask when around this
- can decompose easily to release an oxidizing substance
- used to heat chemicals in an experiment
- can cause severe burns to skin resulting in permanent damage
- can cause serious or long term effects or even death
- prediction of what is going to happen
- can catch on fire easily
- a glass cylinder for lab use
- use to pick up test tubes
20 Clues: can catch on fire easily • use fire extinguisher on • use to pick up test tubes • a glass cylinder for lab use • someone's clothing is on fire • where a gas mask when around this • curved upper surface level in a tube • prediction of what is going to happen • worn on eyes during all lab experiments • used to heat chemicals in an experiment • ...
Chemistry of Life 2016-09-27
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 of Life 2016-09-26
Across
- pure substance consisting of all the same atom
- shared electrons spent part of the time traveling around the _______ nucleus and part of the time traveling around the ______ nucleus
- ____ is only found in plants
- any compound that forms hydroxide ions in a solution
- solutions with a ph above 7 are considered _____
- unsaturated fats tend to be ____ at room temperature
- solutions with a ph below 7 are considered _____
- ____ only found in animals
- a ph of 7 is a _____ solution
- A mixture of water and undissolved materials
- ____ is the solute
- positive charge
Down
- basic unit of matter
- neutral/ no charge
- the building blocks of the nucleic acids are____
- Acids the building blocks of protein
- when electrons are gained or lost these are formed.
- many of the molecules in living cells are so large that they are known as____
- saturated fats tend to be ____ at room temperature
- water______ the temperature on earth
- substance that is dissolved
- _____ is the solvent
- substance that does the dissolving
- negative charge
- bond 4 or more electrons are transferred from one atom to another
- _____ are generally not soluble in water
26 Clues: negative charge • positive charge • neutral/ no charge • ____ is the solute • basic unit of matter • _____ is the solvent • ____ only found in animals • substance that is dissolved • ____ is only found in plants • a ph of 7 is a _____ solution • substance that does the dissolving • Acids the building blocks of protein • water______ the temperature on earth • ...
Organic Chemistry 2 2015-12-09
Across
- carbonyl with a carbon and hydrogen at each end respectively.
- benzene with one methyl group
- carbonyl with two carbons on each end.
- C triple bond C
- Combination of Michael and aldol reactions to form a double ring.
- meta directors are called ___
- EWG's __ aromatic rings.
- The base in a claisen reaction must be the same as the _____
- amine group with a c=o next to it
- Two ketones in an Aldol reaction it will be ____
- C-C
- O=C-OH
Down
- The carbon one away from the carbonyl is the ___ carbon.
- Acetoacetic ester has ____ ester(s).
- Ortho para directors are called __
- grignard reactions attack a ketone or aldehyde and adds an R group, the ketone or aldehyde converts to a(n)
- C=C
- A molecule that accepts electrons in a reaction __
- EDG's __ aromatic rings.
- The carbon two away from the carbonyl is the ___ carbon.
- A way to add substituents to an aromatic ring.
- methyl groups with (N-) are attached to a(n)
- Intramolecular claisen condensation involves two __
- A molecule that donates electrons in a reaction __
- ___ reaction is between a conjugated diene and substituted alkene.
- __ reaction froms a c=c from two reactants using ylides
- conjugated systems allow more
- when removing alpha hydrogens the reaction favors ones that allow more __
- Lower Pka means that it is more ___
- The hydrogen on the alpha carbon is ___
- The reaction that results in a product with an aldahyde and ketone is ___
31 Clues: C=C • C-C • O=C-OH • C triple bond C • EDG's __ aromatic rings. • EWG's __ aromatic rings. • benzene with one methyl group • meta directors are called ___ • conjugated systems allow more • amine group with a c=o next to it • Ortho para directors are called __ • Lower Pka means that it is more ___ • Acetoacetic ester has ____ ester(s). • carbonyl with two carbons on each end. • ...
Chemistry Study Guide 2016-02-11
Across
- 2882
- changes during reaction
- neutral charge
- smallest unit
- negative charge
- amount of protons
- positive charge
- lacks characteristics of a metal
- row of elements
- electrons on the outside
- two different elements combined
- center
- element letters
Down
- smallest particle
- thin coat of metal
- gaseous element
- chemical element
- Russian chemist
- formed by chemical reactions
- column of elements
- mass of object
- absorbed
- released
- solid material
- things in the periodic table
25 Clues: 2882 • center • absorbed • released • smallest unit • neutral charge • mass of object • solid material • gaseous element • negative charge • Russian chemist • positive charge • row of elements • element letters • chemical element • smallest particle • amount of protons • thin coat of metal • column of elements • changes during reaction • electrons on the outside • formed by chemical reactions • ...
Chemistry study guide 2016-02-11
Across
- rows
- gas element that makes up group 18 in the periodic table
- Mendeleev created the periodic table
- no energy given off
- smallest part of a substance that has all the properties of that substance
- short representation of a chemical element
- carrying negative charge
- a thing that is composed of 2 or more elements
- Smallest part of an element
- wht changes in a chemical reaction
- of conservation of mass total amount of mass within substance
- columns
Down
- metal emement that lacks most of the properties of a metal
- carries no charge
- what comes out
- energy given off
- an element that has metals,solid and non metal
- substance consisting of atom
- element that has the property of shiny rushy ductility and malleability
- the positively charged center of the atom
- Carring positive charge
- mass the mass of an atomic particle
22 Clues: rows • columns • what comes out • energy given off • carries no charge • no energy given off • Carring positive charge • carrying negative charge • Smallest part of an element • substance consisting of atom • wht changes in a chemical reaction • mass the mass of an atomic particle • Mendeleev created the periodic table • the positively charged center of the atom • ...
Chemistry Study Guide 2016-02-11
Across
- regions of space outside the nucleus of an atom where an electron may exist (rings)
- smallest part of an element and cannot be broken down any further
- abbreviation of an element
- new substances formed from a chemical reaction
- positively charged center of an atom (high density)
- same number of protons and electrons
- created Periodic Table
- energy is released (warmer)
- energy is absorbed (cooler)
- row of elements (7) (horizontal)
- shiny, good conductors of heat & electricity, solid
- element with low chemical reactivity, odorless, colorless
- column of elements (18) (vertical)
- atomic particles that move around the nucleus of an atom and carry a positive charge
- amount of matter in an atomic particle
- a reaction that occurs in which a layer of metal is bonded to the surface of another metal
- of Conservation of Mass matter, mixtures, pure substances can be changed, but the mass stays the same
Down
- combination of two or more elements
- chemical compound made up of different atoms bonded by chemical relationships
- electrons in outermost orbital
- substance that cannot be broken down into simpler substances
- atomic particles found in nucleus of atom, carry no electric charge
- cross of metals and no metals, can partially conduct electricity
- aren't malleable or ductile, poor conductors of heat and electricity
- atomic particles found in nucleus of atom, carry positive charge
25 Clues: created Periodic Table • abbreviation of an element • energy is released (warmer) • energy is absorbed (cooler) • electrons in outermost orbital • row of elements (7) (horizontal) • column of elements (18) (vertical) • combination of two or more elements • same number of protons and electrons • amount of matter in an atomic particle • ...
C1 - Carbon Chemistry 2016-02-17
Across
- The smallest particle of a chemical element that can exist.
- A chemical able to dissolve other substances.
- A chemical that changes colour or becomes transparent depending on their temperature.
- The ways in which CARBON is recycled in nature.
- A state of matter where there are little or no force of attraction between particles.
- Formed by the buried remains of plants and animals, a mixture of HYDROCARBON compounds.
- The process of splitting up long-chain HYDROCARBONS.
- A liquid easily evaporated at normal temperatures.
- The process of separating CRUDE OIL into separate compounds.
- An element we give the symbol C.
- Long chain molecules that make up plastics.
- The envelope of gases surrounding the earth or another planet.
- A chemical able to be dissolved in a SOLVENT.
Down
- The process of burning a substance to release energy.
- The simplest HYDROCARBON that contains only single CARBON-CARBON bonds and HYDROGEN.
- A subatomic particle with no electric charge.
- Chemicals added to food to improve their flavour, colour or to make them last longer.
- Single molecules that join together to make POLYMERS.
- A subatomic particle with a positive electric charge.
- A subatomic particle with a negative electric charge.
- A chemical that absorbs natural light and releases it over time, making it glow in the dark.
- A state of matter where there are some force of attraction between particles, but the particles are free to move.
- An element that consists of only 1 PROTON and 1 ELECTRON.
- A carbon compound contain an -COOG group.
- The group of chemicals that give paints their colour.
- A pleasant smelling carbon compound, made in a reaction between an ALCOHOL and CARBOXYLIC ACID.
- A mixture of a SOLVENT and SOLUTES.
- HYDROCARBON compounds that contain at least 1 double CARBON-CARBON bond and HYDROGEN.
- Chemicals only containing CARBON and HYDROGEN.
- A state of matter where there are strong forces of attraction between particles, holding them in a fixed position.
- Molecules that help oil and water mix.
- A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
- A carbon compound containing an -OH group.
33 Clues: An element we give the symbol C. • A mixture of a SOLVENT and SOLUTES. • Molecules that help oil and water mix. • A carbon compound contain an -COOG group. • A carbon compound containing an -OH group. • Long chain molecules that make up plastics. • A subatomic particle with no electric charge. • A chemical able to dissolve other substances. • ...
Chemistry study guide 2016-02-10
Across
- positively charged atomic particles found in the nucleus
- gas gaseous element
- cold, energy is adsorbed
- heat, energy is released
- partially conduct heat
- includes protons, neutrons, and electrons
- mixture of two or more different elements
- conducts heat, malleable and ductile
- outermost electron orbital
- brittle, poor conductors of heat
- the substance that is formed
Down
- atoms that bond together
- two metals that react
- the rows on the periodic table
- Russian chemist and inventor
- the columns on the periodic table
- negatively charged particles found in the nucleus
- substance that is made entirely from one type of atom
- no charge, atomic particles found in the nucleus
- smallest part of an element cannot be broken down any farther
20 Clues: gas gaseous element • two metals that react • partially conduct heat • atoms that bond together • cold, energy is adsorbed • heat, energy is released • outermost electron orbital • Russian chemist and inventor • the substance that is formed • the rows on the periodic table • brittle, poor conductors of heat • the columns on the periodic table • conducts heat, malleable and ductile • ...
Chemistry study guide 2016-02-10
Across
- Central part
- Charge of negative energy
- The atom circle holder
- Release of cool
- The weight
- Outer most Orbital
- 118 of them
- Russian chemist
- Abbreviation of the element
Down
- Positive charge
- A group of atoms
- Solid material
- Release of heat
- Not created not destroyed
- Gas
- No charge
- Two or more elements
- Reaction of the product
- Non-metal element
- The basic unit of an element
- Element property between solid and solid non-metal
- Number of protons and electrons
- The substance formed by atoms
23 Clues: Gas • No charge • The weight • 118 of them • Central part • Solid material • Positive charge • Release of heat • Release of cool • Russian chemist • A group of atoms • Non-metal element • Outer most Orbital • Two or more elements • The atom circle holder • Reaction of the product • Charge of negative energy • Not created not destroyed • Abbreviation of the element • The basic unit of an element • ...
Chemistry Unit Crossword 2016-02-10
Across
- mass of atom, located at bottom of symbol box
- atomic particles found in the nucleus, positive charge
- a reaction that occurs in which a layer of metal is bonded to the surface of another substance, which is usually another metal
- regions of space outside the nucleus of an atom
- atoms in the outermost orbital
- always contains the same number of electrons and protons
- what we put in a chemical reaction, to get a reaction/what will react
- atomic particles found in nucleus, neutral charge
- mix of metals and nonmetals, partially conduct energy
- horizontal row atomic numbers increase left to right #erd 1-7
- created the periodic table of the elements
- at least two atoms of different elements combined
Down
- one to two letters representing an element
- matter can be changed from one form to another, mass is constant
- smallest unit of any form of matter
- particle appears in nucleus of atom- exempt hydrogen, positive charge
- substance that can't be chemically broken down
- very good when conducting heat or energy
- very poor conducting heat or energy, weak Compaired to metal
- two or more atoms of any element combined
- energy is taken in temperature feels cooler
- columns of elements on the periodic table 18 columns
- energy given off, feels warm
- any of gaseous elements
- atomic particles move around nucleus, negative charge.
- what we get out of a chemical reaction
26 Clues: any of gaseous elements • energy given off, feels warm • atoms in the outermost orbital • smallest unit of any form of matter • what we get out of a chemical reaction • very good when conducting heat or energy • two or more atoms of any element combined • one to two letters representing an element • created the periodic table of the elements • ...
Chemistry Study Guide 2016-02-10
Across
- a representation of an element
- collumns on the P.T. table (18 collumns)
- central part (core) of the atom, contains protons and neutrons
- something made up of 2 or more different elements
- shares characteristics of both metals and non-metals
- atoms in the outermost orbital
- the result of the reaction. Right side of chart
- a smallest part of an element
- gas Group 18: He, Ne, Ar, Kr, Xe, Rn, maximum number of valence electrons
- substances used to make products. Left side of chart
- a group of atoms, small
Down
- 1 substance in its pure form, can't be broken down any further
- Greta conductors of heat and electricity, hard
- the process of putting an outer coating on sowmthing to make the object last longer
- rows on P.T., atomic number increases from left to right
- neutrally charged atoms
- the number of protons atom
- chemist who created P.T. Table
- the number of protons within an atom
- reaction when energy is being absorbed; makes substance colder
- negatively charged atoms
- far right in P.T. not good conductors of neat or electricity, brittle
- (2,8,8,2) electron density
- of Conservation of Mass nothing is created nor destroyed by chemical reactions or physical transformations.
- positively charged atoms
- reaction when energy is being released; makes substance warmer
26 Clues: neutrally charged atoms • a group of atoms, small • negatively charged atoms • positively charged atoms • the number of protons atom • (2,8,8,2) electron density • a smallest part of an element • a representation of an element • chemist who created P.T. Table • atoms in the outermost orbital • the number of protons within an atom • collumns on the P.T. table (18 collumns) • ...
Chemistry Study Guide 2016-02-10
Across
- rows on P.T., atomic number increases from left to right
- a representation of an element
- the number of protons atom
- shares characteristics of both metals and non-metals
- atoms in the outermost orbital
- collumns on the P.T. table (18 collumns)
- positively charged atoms
- the result of the reaction. Right side of chart
- central part (core) of the atom, contains protons and neutrons
- reaction when energy is being absorbed; makes substance colder
- something made up of 2 or more different elements
Down
- (2,8,8,2) electron density
- chemist who created P.T. Table
- the process of putting an outer coating on sowmthing to make the object last longer
- neutrally charged atoms
- Greta conductors of heat and electricity, hard
- substances used to make products. Left side of chart
- negatively charged atoms
- the number of protons within an atom
- far right in P.T. not good conductors of neat or electricity, brittle
- reaction when energy is being released; makes substance warmer
- gas Group 18: He, Ne, Ar, Kr, Xe, Rn, maximum number of valence electrons
- of Conservation of Mass nothing is created nor destroyed by chemical reactions or physical transformations.
- 1 substance in its pure form, can't be broken down any further
- a group of atoms, small
- a smallest part of an element
26 Clues: neutrally charged atoms • a group of atoms, small • negatively charged atoms • positively charged atoms • (2,8,8,2) electron density • the number of protons atom • a smallest part of an element • a representation of an element • chemist who created P.T. Table • atoms in the outermost orbital • the number of protons within an atom • collumns on the P.T. table (18 collumns) • ...
Chemistry Study Guide 2016-02-10
Across
- developed periodic table
- to form by combining separate things
- positive charge
- a chemical element that lacks he characteristics of a metal
- characterized by or formed with evolution of heat
- the smallest particle of a substance of that can exist by itself
- electron(s) in outermost orbital
- positive charge
- the rows going left to right on the periodic table
- also known as atomic weight
- center of an atom made of protons and neutrons
- any group of rare gases with great stability (helium, neon, argon, krypton)
- the columns that going up and down on the periodic table
Down
- the smallest possible amount of a substance that has the same characteristics
- a substance that usually has a shiny appearance, good conducted of electricity
- states that the total number of atoms stay the same
- characterized by or formed with evolution of heat
- regions of space outside the nucleus of an atom where electrons may exist
- no charge
- one of the basic substances that are made of atoms
- shorter element name on periodic table
- something that is the result of a process
- a substance that changes when it is combined with another substance
- an element intermediate in properties between metals and non-metals
- a reaction that occurs in which a larger of metal is bonded to the surface of another substance
25 Clues: no charge • positive charge • positive charge • developed periodic table • also known as atomic weight • electron(s) in outermost orbital • to form by combining separate things • shorter element name on periodic table • something that is the result of a process • center of an atom made of protons and neutrons • characterized by or formed with evolution of heat • ...
Chemistry Unit Crossword 2016-02-10
Across
- the item that sparks a chemical reaction
- the base of a chemical reaction
- group of atoms
- the mass of an atom
- energy absorbed
- mix of two or more elements
- a type of matter
- number of protons and electrons in an atom
- gases on right edge of periodic table
- electrons in outermost orbital
- positive charge in atom
- path of electrons around nucleus
- no charge in atom
- coating one substance with another
- element that's solid, shiny, and conducts electricity
Down
- negative charge in atom
- Russian chemist
- law concerning the change of mass
- smallest particle in the universe
- letters used to represent an atom
- a mix between metal and nonmetal
- energy released
- element without met properties
- center of an atom
- a place on the periodic table
- section of elements on periodic table
26 Clues: group of atoms • Russian chemist • energy absorbed • energy released • a type of matter • center of an atom • no charge in atom • the mass of an atom • negative charge in atom • positive charge in atom • mix of two or more elements • a place on the periodic table • electrons in outermost orbital • element without met properties • the base of a chemical reaction • ...
Chemistry Study Guide 2016-02-10
Across
- number that represents the number of protons in nucleus
- characterized by or formed with absorbing in heat
- electron electrons in outer most orbital or energy level
- rare gases that have great stability and extremely low reaction rates
- Russian chemist who created TPTOE
- negativ charge found on the otter edge
- regeions of spare outside of nucleus of atom where an electron may exist. Can be called orbital, shell, or energy level
- mass of the atom
- smallest unit of a substance
- basic substance made of 1 kind of atom. Cannot be separated
- brittle, not malleable or ductile, & bad conductors of heat or electricity
- 2 or less letters to represent the element
- result of a process
Down
- matter can be changed from one form into another, mixtures can be separated or made, and pure substances can be decomposed
- columns on the P.T.
- substance that changes when it is combined with mother in a chemical reaction
- positively charged center of atom(incredibly high density)
- mix of both metal and non-metal. Has properties of both. Valuable in semiconductors and computer chip industry
- characterized by or formed with giving off heat
- smallest possible amount of a substance that has all the characteristics
- good conductor of electricity and heat
- fused atoms of two or more different elements
- thin layer of metal that has been added to the outside of something
- positivity charged in the middle of an atom
- neutral charge found in the middle finger atom
- rows on the P.T.
26 Clues: mass of the atom • rows on the P.T. • columns on the P.T. • result of a process • smallest unit of a substance • Russian chemist who created TPTOE • negativ charge found on the otter edge • good conductor of electricity and heat • 2 or less letters to represent the element • positivity charged in the middle of an atom • fused atoms of two or more different elements • ...
Chemistry Study Crossword 2016-02-10
Across
- a group of atoms bonded together
- column of elements
- outside reaction
- the basic unit of a chemical element
- outer part of the atom
- composed of two or more seperate elements
- negitive electron
- conseculed reaction
- a Russian chemist
- forms positive irons
- xenon, neon, krypton, radion
- positive electron
Down
- from one form to another
- the number of protons in a nucleus of an atom
- rings around the nucleus
- what was made after the reactions
- the mass of an atom
- thin coat of gold or silver or other metals
- a part or aspect of something abstract
- neutral electron
- abbreviation of element
- a substance that takes part in charge
- located to the right of metalliods and to the left of halogen
- in each of these the atomic number increases
24 Clues: outside reaction • neutral electron • negitive electron • a Russian chemist • positive electron • column of elements • the mass of an atom • conseculed reaction • forms positive irons • outer part of the atom • abbreviation of element • from one form to another • rings around the nucleus • xenon, neon, krypton, radion • a group of atoms bonded together • what was made after the reactions • ...
Chemistry Study Guide 2016-02-10
Across
- number that increase left to right
- column of elements
- a substance chemically can be used
- positive electric charge
- number of protons in nucleus of atom
- substance formed as a result of chemical reaction
- element whose properties are between metal and solid non-metals
- solid material, shiny, hard, electoral/thermal conductivity
- mass of one element at the beginning of a reaction will equal the mass of the element at the end
- group of atoms bonded together
- releases energy, heat
- absorbs energy, cool
- no electric charge
Down
- substance that takes part in/undoes changes in reactions
- letter(s) that represent the element
- mixture of 2 or more elements
- layer of something going over something
- patterns of electrons formed in an atom
- an element that is not a metal
- chemist, inventor, made periodic table
- number of protons and neutrons in an atom
- gasey elements
- neutral charge
- basic unit of a chemical element
- electrons in the outer most orbital
- positively charged center of the atom
26 Clues: gasey elements • neutral charge • column of elements • no electric charge • absorbs energy, cool • releases energy, heat • positive electric charge • mixture of 2 or more elements • an element that is not a metal • group of atoms bonded together • basic unit of a chemical element • number that increase left to right • a substance chemically can be used • ...
Chemistry Crossword Puzzle 2016-01-07
Across
- gases/the most stable element group on the periodic table is the _______
- compound/compounds formed with no metals
- naturally found in pairs
- reaction in which molecules break down
- that change colour depending on if it is exposed to a acid or base
- compound/compounds that have both a metal atom and a nonmetal atom
- acid
- shell/the outermost shell in an atom
- ability for a material to be stretched
Down
- reaction that occurs when two different atoms join together to make a --molecule
- + O2 → H2O + CO2
- ability for a material to be flattened or rolled
- bond/the bond formed when two atoms share electrons
- metals/the first group on the periodic table is the __________
- acid/HNO3
- order for neutralization to occur, a salt and ____ must be made in a reaction
- lowest temperature that a liquid will ignite
- atom that has either gained or lost an electron
- displacement/the reaction when two different molecules switch atoms
- ability to be dissolved into a liquid
20 Clues: acid • acid/HNO3 • + O2 → H2O + CO2 • naturally found in pairs • shell/the outermost shell in an atom • ability to be dissolved into a liquid • reaction in which molecules break down • ability for a material to be stretched • compound/compounds formed with no metals • lowest temperature that a liquid will ignite • atom that has either gained or lost an electron • ...
Yr9 Chemistry Revision 2016-12-15
Across
- Soft, reactive, low density metallic element used in yellow street lights.
- Visible characteristic of a chemical compound like copper sulphate.
- When liquid changes state to a gas.
- Something with a pH less than 7.
- The element present in all organic compounds.
- Where new chemical products are formed from chemical reactants.
- Gas formed when metal carbonate and acid react.
- Acid rain results from the burning of this yellow element.
- Industrially important form of iron used for car bodies and structural girders.
- A liquid with a solid dissolved in it.
- Chemical reaction between a substance and oxygen in the air.
- oxide Iron corrodes in the presence of air and water to form ...
- Complete reaction between acid and alkali.
- Indicator that spans the range 0 to 14.
- Halogen that makes up half of the atoms in common salt.
- A tiny particle, much lighter than an atom, that carries a negative electric charge.
- Able to be picked up with a magnet.
- The most common solvent.
- This is found on the periodic table. It contains only one kind of atom.
- This is from 0 to 14 for the pH scale of acids and alkalis.
- A chemical compound containing oxygen and one other element.
Down
- Test for hydrogen.
- Unreactive metallic element with extremely high electrical conductivity used for coins.
- Something with a pH of 7.
- Non metallic gaseous element needed for respiration./
- When substances chemically combine they ......
- This is called natural gas, and is used in our Bunsen burners.
- When a liquid cools to become a solid.
- Test for oxygen.
- When a gas changes state to a liquid.
- Gas formed when metal and acid react.
- A chemical that will easily react to form a new compound.
- Mild corrosion of silver, for example.
- A finishing substance in a chemical reaction.
- Acid from grapefruits and oranges.
- Compounds containing only a metal, carbon and oxygen.
- Solid formed when metal oxide and acid react.
- Solid formed when metal carbonate and acid react.
- A starting substance in a chemical reaction.
- Test for carbon dioxide.
- A group of atoms chemically joined.
- This means to do with heat.
- Most common magnetic element. Corrodes to form rust.
- Able to be drawn (pulled) easily into a wire.
- Something with a pH more than 7.
45 Clues: Test for oxygen. • Test for hydrogen. • Test for carbon dioxide. • The most common solvent. • Something with a pH of 7. • This means to do with heat. • Something with a pH less than 7. • Something with a pH more than 7. • Acid from grapefruits and oranges. • When liquid changes state to a gas. • A group of atoms chemically joined. • Able to be picked up with a magnet. • ...
Cool Chemistry Crossword 2017-02-09
Across
- solid, shiny, good conductor of heat and electricity
- (on the P.T) this is what each vertical row on the table is called
- mass approximately the number of protons and neutrons in an atom (add these together and you'll find it)
- gas all of these gasses have a full outer orbital shell
- one of the 118 that make up the Periodic Table
- the middle of an atom, powerhouse
- doesn't carry a negative charge, but a ____ charge
- of Conservation of Mass the mass of products in a chemical reaction must equal the mass of the reactants
- electron outermost energy level of an atom
- share characteristics of both
- the absorption of heat
Down
- Mendeleev Russian, discovered the Periodic Law
- H2O is an example of this
- during a chemical reaction the reactants are formed into these
- abbreviation of an element, usually related to the name and typically has only two letters
- (on the P.T) this is what each horizontal row on the table is called
- the release of heat
- brittle not malleable or ductile, poor conductor of heat and electricity
- a mixture composed of two or more separate elements
- a group of atoms linked together to make a substance
- doesn't really carry any sort of charge, it's just ___
- a substance that undergoes a change during a chemical reaction
- carries a ___ charge (not a positive one)
- shell of an atom
24 Clues: shell of an atom • the release of heat • the absorption of heat • H2O is an example of this • share characteristics of both • the middle of an atom, powerhouse • carries a ___ charge (not a positive one) • electron outermost energy level of an atom • Mendeleev Russian, discovered the Periodic Law • one of the 118 that make up the Periodic Table • ...
Chemistry Unit Crossword 2017-02-08
Across
- : The regional space around the nucleus of an atom
- : Has a positive charge
- : The ingredients present before a reaction
- : The center of an atom
- : Has a negative charge
- : A substance made from the mixture of two or more atoms
- : The outermost shell of an electron determines the atom's chemical properties
- : A reaction where heat is created
- : The average weight or mass of a element
- : A reaction where when cold is created
- the P.T.) : Rows that go up by electrons highest electricity level
Down
- : Has no electric charge
- the P.T.) : Columns of elements that have same chemical properties
- : The ingredients produced after a reaction
- : After a reaction mass cannot be created or destroyed
- : A Russian chemist that came up with the periodic table
- : Are good conductor of electricity and are usually shiny
- : Two or more atoms chemically bonded
- : A substance that is made from atoms with the same number of protons
- : Element abbreviation
- : A group of rare element gases
- : The number of protons in the nucleus
- : Bad conductor of electricity and a dull appearance
- : Has both characteristics of a metal and non-metal
- : A form of matter that cannot be broken down by any chemical means
25 Clues: : Element abbreviation • : Has a positive charge • : The center of an atom • : Has a negative charge • : Has no electric charge • : A group of rare element gases • : A reaction where heat is created • : Two or more atoms chemically bonded • : The number of protons in the nucleus • : A reaction where when cold is created • : The average weight or mass of a element • ...
Chemistry Chapter 12 2017-04-01
Across
- Spontaneous net movement of solvent molecules through a semi-permeable membrane into a region of higher solute concentration.
- A solution with solute that dissolves until it is unable to dissolve anymore, leaving the undissolved substances at the bottom.
- A substance enclosed under pressure and able to be released as a fine spray, typically by means of a propellant gas.
- A chemical separation technique in which mass transfer of a solute from the liquid solution to a pure solid crystal.
- The adhesion of atoms, ions, or molecules from a gas, liquid, or dissolved solid to a surface. This process creates a film of the adsorbate on the surface of the adsorbent.
- A solution that completely dissolves, leaving no remaining substances.
- Property of a solution and is defined as the number of moles of solute per kilogram of solvent.
- Developed the Henry's Law
- A homogeneous noncrystalline substance consisting of large molecules or ultramicroscopic particles of one substance dispersed through a second substance.
- Interaction of a solute with the solvent, which leads to stabilization of the solute.
- Tending to repel or fail to mix with water.
- Having a higher osmotic pressure than a particular fluid.
- A fine dispersion of minute droplets of one liquid in another in which it is not soluble or miscible.
Down
- solution with more dissolved solute than the solvent would normally dissolve in its current conditions.
- A unit of concentration, defined to be equal to the number of moles of a component divided by the total number of moles of a solution.
- A substance that does not readily evaporate into a gas under existing conditions.
- Light scattering by particles in a colloid or else particles in a very fine suspension.
- Having a lower osmotic pressure than a particular fluid.
- Word used by chemists to explain why some liquids mix together well, while others do not.
- Having a tendency to mix with,dissolve in, or be wetted by water.
- Denoting or relating to a solution having the same osmotic pressure as some other solution, especially one in a cell or a body fluid.
- The number of moles of solute per liter of solution.
22 Clues: Developed the Henry's Law • Tending to repel or fail to mix with water. • The number of moles of solute per liter of solution. • Having a lower osmotic pressure than a particular fluid. • Having a higher osmotic pressure than a particular fluid. • Having a tendency to mix with,dissolve in, or be wetted by water. • ...
Chemistry Vocab Practice 2018-01-10
Across
- Solid, liquid, gas, or plasma
- The center of the atom, made of protons and neutrons
- The ending materials in a reaction
- Household Hazardous Product Symbols; warning symbols on dangerous chemicals used around the home
- A substance made up of different types of atoms grouped together
- Material Safety Data Sheet; gives information about chemicals
- Starting materials in a reaction
- Change Not easily reversible, new chemicals are formed
- State change from gas to liquid
- State change from gas to solid
- State change from liquid to solid
- A positively charged part of the atom
- State change from solid to liquid
- Workplace Hazardous Materials Information System; the warning labels on chemicals at school or at work.
Down
- A substance with one type of atom; found on the periodic table
- A tiny particle that makes up all matter
- A negatively charged part of the atom
- On the right side of the periodic table
- Property Describes what a substance looks like
- table Shows all the elements grouped by atomic mass
- State change from gas to solid
- On the left side of the periodic table
- State change from liquid to gas
- A part of the atom that has no charge
- Horizontal rows on the periodic table
- Mass The number of protons added to the number of neutrons
- Vertical columns on the periodic table
27 Clues: Solid, liquid, gas, or plasma • State change from gas to solid • State change from gas to solid • State change from liquid to gas • State change from gas to liquid • Starting materials in a reaction • State change from liquid to solid • State change from solid to liquid • The ending materials in a reaction • A negatively charged part of the atom • ...
chemistry crossword puzzle 2018-01-25
Across
- / do NOT add mass to the atom
- / ability of it to dissolve
- / an electrically charged element formed from the movement of electrons
- / add mass to the atom
- / how closely spaced the atoms are
- / pure substance that cannot be broken down into something simpler by chemical means
- / amount of matter in an object
- / measure of the force of gravitation pull on a object
- / is the physical form in which a substance exits,such as a solid, liquid, or gas
- / will never change, because if you change the number of protons, you change the atom
Down
- / liquid to solid mixture
- / refers to only liquids + gases and means how fast or slow it flows
- / touching the staircase line
- / amount of space something takes up
- / a substance made up of 2 or more elements chemically combined
- / the basic unit of all matter
- / made up of atoms
- / solid to solid mixture
- / composed of 2 or more compounds physically combined
- / all the elements to the left of the staircase line ( except H)
20 Clues: / made up of atoms • / add mass to the atom • / solid to solid mixture • / liquid to solid mixture • / ability of it to dissolve • / touching the staircase line • / do NOT add mass to the atom • / the basic unit of all matter • / amount of matter in an object • / how closely spaced the atoms are • / amount of space something takes up • ...
Chemistry Crossword Puzzels 2018-11-06
Across
- the energy level are like the ____ of a ladder but not equally spaced
- levels S,P,D,F are the ______
- they are horizontal; rows of elements is called______
- columns of elements is called______
- table that organizes the elements is particular way
- shape of dumbbell, holds 2 electrons in each orbital
- Longest wavelength, 700nm
- he was known as the father of modern chemistry
- shortest wavelength 400nm
- ____are atoms that have an unequal number of electrons and protons
- spherical and holds 2 electrons
- they are the most reactive metals, always bonded with another elements
- making orange juice is ______ change
- the amount of energy required to move an e- from one energy level to another
- Plum pudding model
- the temporary high-energy position
- a part or aspect of something abstract, especially one that is essential or characteristic
- describing without numbers
- poor conductors of heat and electricity
Down
- they are colorless gases that are extremely un-reactive
- using numbers to describe
- Baking a cake is _____ change
- he discover neturons in 1932
- a region in space in which there is high probability of finding an e-
- elements in this family are fluorine, chlorine, bromine, iodine and astatine
- the lowest energy position an e- can occupy
- e- in the outer energy level of an atom
- refers to how many protons an atoms of that elements has
- are bundles of light energy that emitted by e- as they go from higher energy level to lower levels
- average mass of all the atomic masses of the isotopes of that atom
- good conductors of head and electricity
- have properties of both metal and nonmetal
- ______have the same number of electrons and protons
33 Clues: Plum pudding model • using numbers to describe • Longest wavelength, 700nm • shortest wavelength 400nm • describing without numbers • he discover neturons in 1932 • levels S,P,D,F are the ______ • Baking a cake is _____ change • spherical and holds 2 electrons • the temporary high-energy position • columns of elements is called______ • making orange juice is ______ change • ...
Chemistry cross word 2018-11-19
Across
- A change in the appearance or state of a substance that does not change the composition
- A chemical reaction that releases energy
- Mixture in which different substances that make up the mixture are visible
- Number of protons in the nucleus of one atom of an element
- A pure substance formed when non-metals combine
- Description of how a substance interacts with other substances, such as acids; It is only observable when a chemical change occurs
- Property that describe the physical appearance and composition of a substance
- Change of state from a liquid to a gas
- Change of state from a liquid to a solid
- Change of state from a gas to a liquid
- A mixture of two or more pure substances that looks like one substance
- A table in which the element are organized by their physical and chemical properties
- A substance only made up of one kind of matter,which has a unique set of properties
Down
- Anything that has mass and occupies space
- Chemical reaction that absorbs energy
- Change of state from a solid to a liquid
- Change that results when two or more substances react to create a different substance or substances, the new substances have to be completely different properties from the original ones
- Change of state from a solid to a gas or from a gas to a solid
- Change of state from a gas to a solid
- Mass of one atom of an element calculated from the total number of protons, neutrons and electron of that atom
- A cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out
- A pure substance formed when at least one metal and one non-metal combine
- A cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
- A pure substance that cannot be broken down into other substances, it is made up of only one type of atom
- A chemical combination of two or more elements in a specific ratio
- A combination of pure substances that don't always combine chemically and are not always in the same ratio
26 Clues: Chemical reaction that absorbs energy • Change of state from a gas to a solid • Change of state from a liquid to a gas • Change of state from a gas to a liquid • Change of state from a solid to a liquid • A chemical reaction that releases energy • Change of state from a liquid to a solid • Anything that has mass and occupies space • ...
M4 Chemistry Crossword 2013-04-25
Across
- The substance that is dissolved in the creation of a solution
- The most reactive metal
- A (disproven) theoretical substance that was thought to be released in combustion
- Electron ______; the energy released when an electron is added to a neutral atom to become negative
- Atomic ______ is equal to half the distance between two nuclei of the same element
- A chemical equation that only shows ions that have a change in quantity
- In chemistry, the number 6.02x10^23 is named after this physicist
- A branch of chemistry that studies the quantities of different substances in chemical reactions
- C6H12O6
- The number of moles of a substance per litre of a solution
- The point in a titration at which the indicator changes colour
- Substance with a loosely attached water molecule
- A reaction in which two or more substances react to form one new compound
- Negatively charged particle
- The 17th group in the periodic table
- The currently accepted model of the atom
- Type of chemical reaction that involves the absorption of heat
- A substance that has lost an electron
Down
- A(n) ______ of an element contains 6.02x10^23 atoms
- A reaction in which a compound breaks down into the two or more substances that formed it
- Formula for a compound using the lowest possible ratio of ions present
- Strong intermolecular bonds
- Name for an element that occurs in nature as a gas, with 2 atoms joined
- Name for CH3COO
- There are several of these in every sublevel of an atom
- Occurs when a nucleus absorbs a neutron and splits into two nuclei
- A proton donor
- Compound containing an O2 molecule
- Subscript in a chemical equation that denotes a solution
- Used to measure the absorbance of light of a substance
- A reaction involving a change in the oxidation number of atoms
- Weak intermolecular dispersion forces
- A positively charged ion
- Ion that is present in every base
- A charged atom
- In quantum mechanics, the name for a He^2+ particle
36 Clues: C6H12O6 • A proton donor • A charged atom • Name for CH3COO • The most reactive metal • A positively charged ion • Strong intermolecular bonds • Negatively charged particle • Ion that is present in every base • Compound containing an O2 molecule • The 17th group in the periodic table • Weak intermolecular dispersion forces • A substance that has lost an electron • ...
AP Chemistry Final 2013-05-14
Across
- the mixing of gases
- a point on a phase diagram at which all three states of a substance are present
- the actual yield of a product as a percentage of the theoretical yield
- the process of combining two light nuclei to form a heavier, more stable nucleus
- an insoluble substance formed in a solution
- the number of atoms in exactly 12 grams of pure Carbon-12
- half the distance between the nuclei in a molecule consisting of identical atoms
- a helium nucleus
- the ratio of the number of moles of a given component in a mixture to the total number of moles in the mixture
- enthalpy minus the product of the entropy and kelvin temperature
- if a change is imposed on a system at equilibrium, the equilibrium position will shift to reduce that effect
- a process that occurs without outside intervention
- the simplest whole number ratio of atoms in a compound
- a dynamic reaction system in which the concentrations of all reactants remain constant as a function of time
- a process that involves forcing a current through a cell to cause a nonspontaneous chemical reactions to occur
- the maximum amount of a given product that can be formed when the limiting reacting is completely consumed
- the tendency of an atom in a molecule to attract shared electrons
- the process of using a neutron to split a heavy nucleus into two nuclei with smaller mass numbers
- a substance that marks the end of a titration by changing color
- a charged species consisting of a metal ion surrounded by ligands
- a property of a molecule whose charge distribution can be represented by a center of positive charge and a center of negative charge
- an ionic compound
Down
- a reactions in which one or more electrons are transferred
- the percent by mass of a component of a mixture or element of a compound
- a species that is neither a reactant or product; it is both created and destroyed in a reaction
- a convenient way of representing the phases of a substance in a closed system as a function of temperature and pressure
- the 3D arrangement of atoms in a molecule
- unusually strong dipole-dipole attractions that occur among molecules in which hydrogen is bonded to a highly electronegative atom
- an acid that dissociates completely
- the area of chemistry that concerns reaction rates
- the electrons in the outermost principal quantum level of an atom
- the pressure of the vapor over a liquid at equilibrium
- the attractive force resulting when polar molecules line up so that the positive and negative ends are close together
- relatively weak interactions that occur between molecules
- the product of the concentrations of the products divided by the product of the concentrations of the reactants
- the electrode in a galvanic cell at which reduction occurs
- the reactant that is completely consumed in a reaction
- the energy required to raise the temperature of one gram of a substance by one degree Celsius
- the slowest step in a reaction
- the phenomenon in which electrons are emitted from the surface of a metal when light strikes it
- the study of energy and it's interconversions
- a condition occurring when more than one valid Lewis structure can be written for a particular molecule
- a solution that resists a change in pH
- a mixing of the native orbitals on a given atom to form special atomic orbitals for bonding
- the driving force in a galvanic cell that pulls electrons from the reducing agent in one compartment to the oxidizing agent in the other
- moles of solute over liters of solutions
- atoms of the same element with different numbers of neutrons
- the observation that atoms of nonmetals tend to form the most stable molecules when they are surrounded by 8 electrons
- a thermodynamic function that measures randomness or disorder
- a substance that speeds up a reaction without being consumed
50 Clues: a helium nucleus • an ionic compound • the mixing of gases • the slowest step in a reaction • an acid that dissociates completely • a solution that resists a change in pH • moles of solute over liters of solutions • the 3D arrangement of atoms in a molecule • an insoluble substance formed in a solution • the study of energy and it's interconversions • ...
Organic Chemistry Crossword 2013-02-05
Across
- Number of types of amino acids
- very large molecules made up of smaller molecules bonded together
- molecules containing only single covalent bonds
- Carbon Ring Structure
- 2 carbons with triple bonds & 2 Hydrogens
- Man-Made
- Atoms in a line
- Pyramid Structure
- Simplest organic compound
- contain nitrogen to 2 hydrogen
- used in plastics
- 4 Carbons & 10 Hydrogen
- Another of DNA's Bases
Down
- 2 carbons with double bonds & 4 Hydrogens
- One of DNA's bases
- molecules containing double or triple bond
- two different monomers combine
- Structure of DNA
- Coil stucture
- Deoxyribonucleic Acid
- 2 carbons & 6 Hydrogen
- used to create polymers
- Atoms lie in same plane
- Number of Carbon's Valence Electrons
24 Clues: Man-Made • Coil stucture • Atoms in a line • Structure of DNA • used in plastics • Pyramid Structure • One of DNA's bases • Carbon Ring Structure • Deoxyribonucleic Acid • 2 carbons & 6 Hydrogen • Another of DNA's Bases • used to create polymers • Atoms lie in same plane • 4 Carbons & 10 Hydrogen • Simplest organic compound • Number of types of amino acids • two different monomers combine • ...
Organic Chemistry Crossword 2013-02-05
Across
- Number of Carbon's Valence Electrons
- Structure of DNA
- Simplest organic compound
- Another of DNA's Bases
- molecules containing only single covalent bonds
- Carbon Ring Structure
- two different monomers combine
- molecules containing double or triple bond
- Atoms in a line
- 2 carbons & 6 Hydrogen
- 2 carbons with double bonds & 4 Hydrogens
- 4 Carbons & 10 Hydrogen
- used to create polymers
- Coil stucture
Down
- very large molecules made up of smaller molecules bonded together
- Number of types of amino acids
- used in plastics
- Pyramid Structure
- Atoms lie in same plane
- Man-Made
- One of DNA's bases
- Deoxyribonucleic Acid
- 2 carbons with triple bonds & 2 Hydrogens
- contain nitrogen to 2 hydrogen
24 Clues: Man-Made • Coil stucture • Atoms in a line • used in plastics • Structure of DNA • Pyramid Structure • One of DNA's bases • Carbon Ring Structure • Deoxyribonucleic Acid • Another of DNA's Bases • 2 carbons & 6 Hydrogen • Atoms lie in same plane • 4 Carbons & 10 Hydrogen • used to create polymers • Simplest organic compound • Number of types of amino acids • two different monomers combine • ...
Organic Chemistry Crossword 2013-02-05
Across
- Coil stucture
- 2 carbons & 6 Hydrogen
- 2 carbons with double bonds & 4 Hydrogens
- molecules containing only single covalent bonds
- Deoxyribonucleic Acid
- Man-Made
- Number of Carbon's Valence Electrons
- Pyramid Structure
- One of DNA's bases
- used in plastics
- contain nitrogen to 2 hydrogen
Down
- 4 Carbons & 10 Hydrogen
- Another of DNA's Bases
- Atoms in a line
- used to create polymers
- Simplest organic compound
- Number of types of amino acids
- molecules containing double or triple bond
- Structure of DNA
- two different monomers combine
- Carbon Ring Structure
- very large molecules made up of smaller molecules bonded together
- Atoms lie in same plane
- 2 carbons with triple bonds & 2 Hydrogens
24 Clues: Man-Made • Coil stucture • Atoms in a line • Structure of DNA • used in plastics • Pyramid Structure • One of DNA's bases • Deoxyribonucleic Acid • Carbon Ring Structure • Another of DNA's Bases • 2 carbons & 6 Hydrogen • 4 Carbons & 10 Hydrogen • used to create polymers • Atoms lie in same plane • Simplest organic compound • Number of types of amino acids • two different monomers combine • ...
CHEMISTRY QUIZ- 10TH 2012-12-05
Across
- Here we can find nuclear reactions today.
- It decreases as you move down a group.
- Most unreactive group
- Early chemists tried to perfom this nuclear reaction.
- Original explosion of the universe according to theories.
- Atomic radius _______ as you move down a group.
- These are revealed by the arrangement of the periodic table
- Most elements are __________
- It is in a class by itself
Down
- Particle accelerator for superheavy elements.
- When a star dies.
- All are radioactive
- One of the basic 6 elements
- Energy requiered to remove an electron
- Another name for group 17
- Elements created by men.
- One synthetic element named after a prize.
- They react with water to form alkaline solutions.
- It is formed when you mix metals.
- Symbol of one element found in the spectra of stars
20 Clues: When a star dies. • All are radioactive • Most unreactive group • Elements created by men. • Another name for group 17 • It is in a class by itself • One of the basic 6 elements • Most elements are __________ • It is formed when you mix metals. • It decreases as you move down a group. • Energy requiered to remove an electron • Here we can find nuclear reactions today. • ...
CHEMISTRY QUIZ- 10TH 2012-12-05
Across
- Most unreactive group
- All are radioactive
- One synthetic element named after a prize.
- Elements created by men.
- Energy requiered to remove an electron
- When a star dies.
- They react with water to form alkaline solutions.
- These are revealed by the arrangement of the periodic table
- Atomic radius _______ as you move down a group.
Down
- It is in a class by itself
- Original explosion of the universe according to theories.
- Particle accelerator for superheavy elements.
- It decreases as you move down a group.
- Early chemists tried to perfom this nuclear reaction.
- Symbol of one element found in the spectra of stars
- One of the basic 6 elements
- Another name for group 17
- Most elements are __________
- Here we can find nuclear reactions today.
- It is formed when you mix metals.
20 Clues: When a star dies. • All are radioactive • Most unreactive group • Elements created by men. • Another name for group 17 • It is in a class by itself • One of the basic 6 elements • Most elements are __________ • It is formed when you mix metals. • It decreases as you move down a group. • Energy requiered to remove an electron • Here we can find nuclear reactions today. • ...
Crossword on Chemistry 2012-08-25
Across
- A subatomic particle with a positive charge
- Any form of a certain element that contains different numbers of neutrons than the other versions
- Creator of the first version of the periodic table
- The group of elements that are highly reactive
- A representation of a chemical reaction
- mass The sum of the numbers of protons and neutrons in an atom
- A substance that changes the rate or a chemical reaction
- A group of atoms held together by bonds
- A reaction in which one or more substances combine to form a new one
- A homogeneous mixture
- When two or more atoms join together, they form _______
- A substance that has only one particle is referred to as a ______ substance
- A particle that has gained or lost an electron
Down
- The substance will remain the same through a __________change
- A combination of chemical symbols and numbers
- A substance that forms in a chemical reaction
- The particle of an element
- An element that loses electron/s when forming bonds
- A mixture where the components are easily seen, and are able to be physically separated
- A subatomic particle with a negative charge
- A change where the substance/s themselves are changed
- The subatomic particle that has no charge
- This is the eighth element on the periodic table
- Helium, neon, and krypton belong in this group of elements
24 Clues: A homogeneous mixture • The particle of an element • A representation of a chemical reaction • A group of atoms held together by bonds • The subatomic particle that has no charge • A subatomic particle with a positive charge • A subatomic particle with a negative charge • A combination of chemical symbols and numbers • A substance that forms in a chemical reaction • ...
Davon's Chemistry Crossword 2013-10-01
Across
- capacity to do work
- area of an atom with electrons
- takes up space
- force that holds same molecules together
- sum of the numbers of protons and neutrons
- force that holds different substances together
- two or more substances mixed together throughout
- north or south
- positive charge
Down
- solution neutralizes acid or base
- chemical change electrons are gained
- atom with a charge
- cannot be broken down or seperated
- amount of matter in an object
- group of atoms
- two or more atoms
- speed up processes
- no charge
- atom having same protons different neutrons
- smallest unit of an element
20 Clues: no charge • takes up space • group of atoms • north or south • positive charge • two or more atoms • atom with a charge • speed up processes • capacity to do work • smallest unit of an element • amount of matter in an object • area of an atom with electrons • solution neutralizes acid or base • cannot be broken down or seperated • chemical change electrons are gained • ...
Chemistry unit 1 2013-09-13
Across
- a mixture that is not uniform in composition, you can visibly see differences in the particles
- the amount of space something takes up
- phase transition from solid to liquid
- the insturment we used in the lab to measure the mass of a substance
- a single molecule or free-floating atom
- a pure substance which only contains 1 type of element
- the study of matter
- a method of measuring the volume of an irregularly shaped solid object using water and a graduated cylinder
- phase transition from gas to solid
- a state of matter with indefinite volume and indefinite shape
- phase transition from solid to gas
- the number written in the lower right corner immediately following an elements symbol. It tells us the quantity of that element if it is more than one
- a substance where there are two or more different types of particles
Down
- the number written before the chemical formula that tells us the quantity of the molecules
- a formula that tells us the amount and type of atoms that are bonded together in a molecule
- a mixture that is uniform in composition, there is no visible difference in the particles
- a variable that is expressed by a number
- the ratio of mass to volume
- anything that has volume and takes up space
- a state of matter with definite volume and indefinite shape
- phase transition from liquid to gas
- a substance where every particle is identical
- phase transition from gas to liquid
- a state of matter with definite volume and definite shape
- the amount of matter in an object
- a pure substance which contains 2 or more types of elements
- phase transition from liquid to solid
- 2 or more elements bonded together, expressed as a chemical formula
28 Clues: the study of matter • the ratio of mass to volume • the amount of matter in an object • phase transition from gas to solid • phase transition from solid to gas • phase transition from liquid to gas • phase transition from gas to liquid • phase transition from solid to liquid • phase transition from liquid to solid • the amount of space something takes up • ...
Chemistry unit 1 2014-04-11
Across
- Can be stretched into shape
- A metal that is between Zinc and Aluminium on the reactivity series
- Common name for a polymer used for plastic bags
- Acid in your stomach that kills bacteria that may be on your food
- Type of rock that is mainly calcium carbonate
- Fuel for aircraft engines
- The only metal that can rust
- A fuel made from vegetable oils
- A mixture of two metals or a metal and a non-metal
- Unsaturated hydrocarbon
- Thick and sticky, used in describing crude oil
Down
- The process in which oxygen is removed from a compound
- Common name for calcium hydroxide solution
- A mixture of different hydrocarbon molecules found naturally underground
- Type of rocks formed by cooling magma/lava
- The process that helps remove carbon dioxide from the atmosphere
- Metal that is used to make electrical cables
- The most abundant gas in the current atmosphere
- Process where crude oil is seperated into its fractions
- can be hammered into shape
- A solid substance formed during incomplete combustion
- Fuels obtained from organisms
- A base dissolved in water
23 Clues: Unsaturated hydrocarbon • Fuel for aircraft engines • A base dissolved in water • can be hammered into shape • Can be stretched into shape • The only metal that can rust • Fuels obtained from organisms • A fuel made from vegetable oils • Common name for calcium hydroxide solution • Type of rocks formed by cooling magma/lava • Metal that is used to make electrical cables • ...
Organic chemistry crossword 2013-11-09
Across
- also known as groundnut oil or arachis oil, is a mild tasting vegetable oil derived from peanuts.
- Of or relating to an organic compound, especially a fatty acid, containing one or more double or triple bonds between the carbon atoms. Capable of dissolving more of a solute at a given temperature.
- an edible oil extracted from the kernel or meat of matured coconuts harvested from the coconut palm. It has various applications in food, medicine, and industry.
- are the simplest organic compounds . Containing only carbon and hydrogen, they can be straight-chain, branched chain, or cyclic molecules
- Any of a large group of monobasic acids, especially those found in animal and vegetable fats and oils, having the general formula CnH2n+1COOH.
- noting or pertaining to a class of chemical compounds that formerly comprised only those existing in or derived from plants or animals, but that now includes all other compounds of carbon.
- are organic molecules made of the functional group carbon-carbon triple bonds. They are written in the empirical formula of CnH2n-2. They are unsaturated hydrocarbons.
- (of an organic molecule) containing the greatest possible number of hydrogen atoms, and so having no carbon-carbon double or triple bonds.
- an ester derived from glycerol and three fatty acids. They are blood lipids that help enable the bidirectional transference of adipose fat and blood glucose from the liver.
- The Federal drug administration
- Hydrocarbons which contain only single bonds are called alkanes. They are called saturated hydrocarbons because there is a hydrogen in every possible location. This gives them a general formula CnH2n+2.
- Any of numerous mineral, vegetable, and synthetic substances and animal and vegetable fats that are generally slippery, combustible, viscous, liquid or liquefiable at room temperatures, soluble in various organic solvents such as ether but not in water, and used in a great variety of products, especially lubricants and fuels.
Down
- any of a group of natural esters of glycerol and various fatty acids, which are solid at room temperature and are the main constituents of animal and vegetable fat
- Of or relating to long-chain carbon compounds, especially fatty acids, having two or more double bonds between the carbon atoms. Foods containing this type of acid help reduce blood cholesterol levels and include sunflower, soybean, sesame seed, and corn oils and cold-water fish such as salmon.
- does not contain carbon chemically bound to hydrogen. Carbonates, bicarbonates, carbides, and carbon oxides are considered inorganic compounds, even though they contain carbon.
- combined or treated with hydrogen, especially to add hydrogen to the molecule of (an unsaturated organic compound).
- a lipid (fat) which is produced by the liver. It is vital for normal body function. Every cell in our body has this in its outer layer.
- an edible vegetable oil derived from the mesocarp of the fruit of the oil palms, primarily the African oil palm Elaeis guineensis, and to a lesser extent from the American oil palm Elaeis oleifera and the maripa palm Attalea maripa.
- A Healthy cooking oil. It has the least saturated fat of any common cooking oil. In fact, it has less than half the saturated fat of olive or soybean oil. The US Food and Drug Administration (FDA)
- Aliphatic hydrocarbons with one double bond between carbons are called alkenes. They follow the naming convention of the alkanes except that the suffix -ene is used instead of -ane. For alkenes above propene the position of the double bond must be specified in the name.
20 Clues: The Federal drug administration • also known as groundnut oil or arachis oil, is a mild tasting vegetable oil derived from peanuts. • combined or treated with hydrogen, especially to add hydrogen to the molecule of (an unsaturated organic compound). • ...
Chemistry: Phase Changes 2014-06-04
Across
- Has a definite shape and closely packed particles.
- The law that allows the total pressure of a mixture of gases to equal to the sum of the pressures of all the gases in the mixture.
- An empty space with no particles and no pressure.
- When the three substances (solid, liquid, and gas) are in equilibrium.
- The law that allows you to do calculations when the gas is constant (P1V1/T1 = P2V2/T2).
- When a liquid is heated to a temperature at which particles throughout the liquid have enough kinetic energy to vaporize once the liquid begins to boil.
- In Boyle's gas law, the volume of the gas varies _________ with the pressure.
- The conversion of liquid to gas, also known as the cooling process.
- The conversion of a gas to a solid.
- As you climb a mountain, the atmospheric pressure will ________.
Down
- The term used to describe the movement of one material through another.
- The escaping of gas through a small opening.
- The conversion of liquid to gas.
- Consists of tiny particles that constantly moves rapidly and randomly.
- The conversion of gas to solid.
- What law describes the nature of how the orderly state goes into the disorderly state.
- Flows and can take the shape of it's container but has intermolecular attractions to keep the particles close together.
- An increase in this will cause the molecules in a substance to move more rapidly.
- Energy The energy an object has because of its motion.
- The SI unit to measure temperature and it must be used for all gas laws (C + 273 = K)
20 Clues: The conversion of gas to solid. • The conversion of liquid to gas. • The conversion of a gas to a solid. • The escaping of gas through a small opening. • An empty space with no particles and no pressure. • Has a definite shape and closely packed particles. • Energy The energy an object has because of its motion. • ...
Basic chemistry crossword 2014-10-06
Across
- has an unequal distribution of charges
- attaches to each other
- used for energy by the cells of most organisms
- a substance that consists of two or more elements
- a simple sugar like glucose or fructose
- creeps up thin tubes and vessels
- a very strong, sharing of electrons
- commonly called fats or oils
- what holds two separate molecules together(water)
- protein that lowers the energy needed to start reaction
Down
- made of one polynucleotide chain
- an organic compound made up of small molecules called amino acids
- forms the basic structural unit of nucleic acids such as DNA
- compound that is the building block of a protein molecule
- Organic compound composed of hydrogen and oxygen with a ratio of two hydrogen atoms to each oxygen atom
- is an organic compound
- a type of chemical bond that involves a metal and a nonmetal ion
- A compound found mainly in living things
- a complex carbohydrate that forms when simple sugars bind together in a chain
- a pure substance. It cannot be broken down into other types of substances.
- serve as chemical messengers and have other roles
- main element in all organic compounds
- attaches to the wall of another surface
- organic compounds such as sugars
- found in genes, and its sequence of bases makes up a code
25 Clues: attaches to each other • is an organic compound • commonly called fats or oils • made of one polynucleotide chain • creeps up thin tubes and vessels • organic compounds such as sugars • a very strong, sharing of electrons • main element in all organic compounds • has an unequal distribution of charges • a simple sugar like glucose or fructose • ...
Chemistry crossword puzzle 2014-11-25
Across
- Geef de naam van de verbindingen die bestaan uit uitsluitend koolstofatomen en waterstofatomen.
- Geef het cijfer van de covalentie die het atoomsoort C heeft.
- Noem het achtervoegsel dat je krijgt als een koolwaterstofmolecuul twee dubbelde bindingen bevat.
- Noem een reactie waarbij de dubbele binding tussen de C-atomen verdwijnt.
- Hoe heet het vertakte alkeen met de volgende structuurformule CH2=C-CH-CH3.
- Deze stof staat voor deze ‘CnH2n+2’ algemene formule.
- Deze stoffen hebben dezelfde molecuulformule maar een andere structuur formule.
- Dit is één van de grondstoffen van tri-esters.
Down
- Geef de systematische naamgeving van CH3-CH3-Br.
- Maak de volgende zin af: ‘Sterk alcoholische dranken worden verkregen door zwak alcoholische dranken te ……….’
- Geef de systematische naam van deze structuurformule
- Deze reactie heeft als reactieproducten een zuur en een alcohol .
- Zo noem je een alkaan dat maximaal aan twee koolstoffen vast zit.
- Noem het proces waarbij glucose wordt omgezet in ethanol en koolstofdioxide.
- Het proces waarbij vloeibare olie verandert in een vast vet.
- In deze groep komt een dubbele binding en een OH-groep voor.
- Geef de naam van de keten als deze bestaat uit twee losse C-atomen.
- Geef de naam van deze stof: C5H12.
- Deze verbindingen kom je in het dagelijks leven veel tegen en worden onder andere toegepast als oplosmiddel voor bijvoorbeeld lijm.
- Noem de reeks waarbij de verhouding tussen het aantal C-atomen en het aantal H-atomen gelijk is.
- Met behulp van deze oplossing kan je de aanwezigheid van een onverzadigde verbinding aantonen.
- Noem de stamnaam die je krijgt als de langste koolstofketen bestaat uit vier koolstoffen.
22 Clues: Geef de naam van deze stof: C5H12. • Dit is één van de grondstoffen van tri-esters. • Geef de systematische naamgeving van CH3-CH3-Br. • Geef de systematische naam van deze structuurformule • Deze stof staat voor deze ‘CnH2n+2’ algemene formule. • Het proces waarbij vloeibare olie verandert in een vast vet. • ...
Chemistry Elements Puzzle 2014-10-02
Across
- 1s^2 2s^2 2p^1
- 1s^2 2s^2 2p^6 3s^2 3p^3
- 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6 4d^10 4f^14 5s^2 5p^6 5d^10 6s^2 6p^2
- 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^5
- 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6 5s^2
- 1s^2 2s^2 2p^6 3s^2 3p^6 3d^5 4s^2
- 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^1
- 1s^2 2s^2 2p^6 3s^2 3p^5
- 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6 5s^1
- 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6
- 1s^2 2s^2 2p^6 3s^2 3p^6 3^d10 4s^2 4p^6 4d^10 5s^2 5p^5
- 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2
- 1s^2 2s^2 2p^6 3s^2 3p^6 3d^8 4s^2
- 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6 4d^10 5s^1
- 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2
Down
- 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^1
- 1s^2 2s^2
- 1s^2 2s^2 2p^4
- 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6 4d^10 4f^14 5s^2 5p^6 5d^10 6s^1
- Atomic number is 1.
- 1s^2 2s^2 2p^6 3s^2 3p^6 3d^3 4s^2
- 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^4
- 1s^2 2s^2 2p^5
- 1s^2 2s^2 2p^6 3s^2 3p^1
- 1s^2 2s^1
- 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 6s2
- 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^3
- 1s^2
- 1s^2 2s^2 2p^2
- 1s^2 2s^2 2p^6 3s^2 3p^4
- 1s^2 2s^2 2p^6 3s^2 3p^6 3d^6 4s^2
31 Clues: 1s^2 • 1s^2 2s^2 • 1s^2 2s^1 • 1s^2 2s^2 2p^1 • 1s^2 2s^2 2p^4 • 1s^2 2s^2 2p^5 • 1s^2 2s^2 2p^2 • Atomic number is 1. • 1s^2 2s^2 2p^6 3s^2 3p^3 • 1s^2 2s^2 2p^6 3s^2 3p^1 • 1s^2 2s^2 2p^6 3s^2 3p^5 • 1s^2 2s^2 2p^6 3s^2 3p^4 • 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 • 1s^2 2s^2 2p^6 3s^2 3p^6 3d^3 4s^2 • 1s^2 2s^2 2p^6 3s^2 3p^6 3d^5 4s^2 • 1s^2 2s^2 2p^6 3s^2 3p^6 3d^8 4s^2 • ...
Chemistry Crossword Puzzle 2014-09-03
Across
- Derived from living matter
- Flowing freely from a constant volume
- Amount of substance that an object occupies
- Specific kind of matter with uniform properties
- Non-consisting form living matter
- Relating to or using logical thinking
- Substance made by mixing other substances
- Diverse in character or content
- Distinct period or stage in a process of Change
- Mechanical or Physical operation
- Giving force or emphasis to a statement
Down
- Not liquid or Fluid
- Mixture is a minor component
- Has mass and comes from different forms
- Action of purifying a liquid
- Science dealing with chemistry of living matter
- An airlike substance that flows freely to fill in spaces
- Large body of matter with no typical shape
- Substance diffused or suspended in air
- Substance that is uniform throughout
- Converting or effecting a large area
- Relating to the body as opposed to the mind
22 Clues: Not liquid or Fluid • Derived from living matter • Mixture is a minor component • Action of purifying a liquid • Diverse in character or content • Mechanical or Physical operation • Non-consisting form living matter • Substance that is uniform throughout • Converting or effecting a large area • Flowing freely from a constant volume • Relating to or using logical thinking • ...
Chemistry Unit Review 2014-12-01
Across
- a mixture between chemist, magician, philosopher, and mystic
- The element name for K
- To the very far left of the periodic table are the ____ metals
- An ion is an ____ charged atom
- The element name for Cu
- These kind of electrons orbit the outermost shell of the atom
- The element symbol of lead
- these types of compounds are formed between a nonmetal and a nonmetal
- The neutrons and protons make up the atomic __________ of an atom
- It means "the same throughout"
- His model is often called the plum pudding model
- the amount of mass in a given volume of a substance
- This is a positively charged ion.
- takes up mass and space
- Vinegar diluted with water is a _______
- This chemical change happens when iron gets exposed to air and moisture for a prolonged period of time.
Down
- To the very far right of the periodic table are the ______ gases
- In this type of mixture, the parts are visible
- Carbon-14 is an ___ of Carbon-12
- Propane is an example of a ________ gas.
- This method is used to smell a substance without taking inhaling the substance deeply
- tomato juice is an example
- He invented the Periodic Table of Elements
- IHS stands for International _____ Symbols
- These types of compounds are formed between a metal and a non-metal
- This is a negatively charged ion.
- The ____ Model is often called the planetary model
27 Clues: The element name for K • The element name for Cu • takes up mass and space • The element symbol of lead • tomato juice is an example • An ion is an ____ charged atom • It means "the same throughout" • Carbon-14 is an ___ of Carbon-12 • This is a positively charged ion. • This is a negatively charged ion. • Vinegar diluted with water is a _______ • ...
Chemistry 1st Quarter 2014-12-03
Across
- positively charged ion
- negatively charged subatomic particle
- arrangement of elements in order of their atomic number so that elements with similar properties fall in the same column
- change of state from a gas to a liquid
- name of the elements in group 1
- energy required to remove an electron from an atom
- property of matter that describes a substance's ability to participate in chemical reactions
- subatomic particle with no charge and a mass of 1 amu
- atom with the same number of protons, but a different number of neutrons
- number that identifies an element and is the same as the number of protons
- a negative ion
Down
- change of state from liquid to gas
- change of state from a liquid to a solid
- element with properties of both metals and nonmetals
- type of bond between two nonmetals
- elements of group 17
- physical property of nonmetals that means that they break easily
- substance that cannot be broken down into simpler substances by chemical means
- region in an atom where there is a high probability of finding electrons
- measure of the ability of an atom to attract electrons
- an element of group 18
- change of state from a solid to a liquid
- electrons found in the outermost shell of an atom that are used in bonding
- property of metals that allows them to be used in electical wiring
- number determined by adding the protons and neutrons together
- the only periodic trend that increases down and to the left on the periodic table
- subatomic particle with a positive charge and a mass of 1 amu
- type of bonding between a metal and a nonmetal
- elements in the top right of the periodic table that does not conduct heat or electricity
- elements on the bottom left side of the periodic table that conducts heat and electricity
30 Clues: a negative ion • elements of group 17 • positively charged ion • an element of group 18 • name of the elements in group 1 • change of state from liquid to gas • type of bond between two nonmetals • negatively charged subatomic particle • change of state from a gas to a liquid • change of state from a liquid to a solid • change of state from a solid to a liquid • ...
CHEMISTRY OF LIFE 2015-01-09
Across
- The property that make hydrophilic head for phospholipids
- This is can be use many time without changing structure
- lipid is only soluble in which kind of solvent
- What is the amino acid that make disulfide bond
- Can find in every living organism
- Apart from small size why carbohydrate is suitable for carry energy around the body
- Same number and type of atoms but bond in different forms
- What make triglycerides and phospholipids different
- The only macromolecule which not polymerize
- One type of protein which has spherical shape
- Lipids which are solid usually make from this chain
Down
- Reactions made by each enzyme are?
- Type of tissue keep your body warm which act as insulation
- Hard insoluble proteins
- Type of amino acids depends on?
- Type of bonding when there is water as the product
- the reason body keep your body temperature at 37 is to protect enzymes from?
- Most of digestive enzymes work best in normal pH (7) but this special enzyme can work well in low pH
- Fibrous proteins are made from what type of polypeptide chains
- Tertiary structure
- this is not one of four main molecules but it also vital to live
21 Clues: Tertiary structure • Hard insoluble proteins • Type of amino acids depends on? • Can find in every living organism • Reactions made by each enzyme are? • The only macromolecule which not polymerize • One type of protein which has spherical shape • lipid is only soluble in which kind of solvent • What is the amino acid that make disulfide bond • ...
Chemistry Word Puzzle 2015-03-12
Across
- Compounds that are composed principally of carbon, hydrogen, and oxygen
- Are used in formulas when the ratios of atoms are not 1:1
- In this method, the name of the metal ion that has the lower charge ends in -ous and that with the higher charge ends in -ic
- A method used to distinguish among these compounds, note that the charge on the metal ion follows the name of the metal in Roman numerals and in parenthesis
- Hold onto their electrons very tightly
- A formula that is based on the actual number of atoms that comprise a molecule of that compound
- A formula that reflects the simplest ratio of atoms in the compound
- A negation ion
- Acids that are composed of hydrogen plus another element
Down
- A covalent bond that is formed when electrons are unequally shared between two atoms
- Many ionic compounds have water molecules incorporated into their solid structures which are called
- Means "capacity"
- A bond which is formed between two atoms of the same element
- Many polyatomic anions are composed of oxygen and another element which are called
- is the ability of an atom to attract toward itself the electrons in a chemical bond
- A formula that consists of symbols to represent atoms, and line to represent chemical bonds
- Formulas that are shorthand symbols for compounds
- A positive ion
- Forms a stable configuration with only two electrons
- Have low IE, EA, and EN
20 Clues: A positive ion • A negation ion • Means "capacity" • Have low IE, EA, and EN • Hold onto their electrons very tightly • Formulas that are shorthand symbols for compounds • Forms a stable configuration with only two electrons • Acids that are composed of hydrogen plus another element • Are used in formulas when the ratios of atoms are not 1:1 • ...
General Chemistry 1 2015-07-12
Across
- One of the co-founders of the so-called "BEC" state of matter.
- Is the quantity of three-dimensional space enclosed by some closed boundary,
- Second scientist that who proposed his own version of the structure of the atom.
- The first step in the methods of scientific research.
- Best known for his pioneering work in the development of the "modern atomic" theory.
- Is a concise statement of a relationship between phenomena that is always the same under the same conditions.
- Is a contemplative and rational type of abstract or generalizing thinking.
- One who formulated the formula for the theory of relativity; co-founder of the BEC.
- One of the four fundamental states of matter.
Down
- Is anything that has mass and takes space.
- Third of the scientists who proposed their own model of the atom; described the atom to possess "energy levels".
- The force that gravity exerts on an object.
- Gas that has been energized to the point that electrons break free.
- Branch of chemistry that deals with organisms.
- Physical separation of solids from liquids.
- Knowledge about or study of the natural world based on facts learned through experimentation and observation
- The study of physical properties of molecules and their relations to the ways in which they are put together with atoms.
- Study of how we analyze the chemical components of samples.
- The smallest particle of a substance that can exist by itself or be combined with other atoms to form a molecule.
- The ability to do work; property of objects which can be transferred to other objects or converted to other forms.
20 Clues: Is anything that has mass and takes space. • The force that gravity exerts on an object. • Physical separation of solids from liquids. • One of the four fundamental states of matter. • Branch of chemistry that deals with organisms. • The first step in the methods of scientific research. • Study of how we analyze the chemical components of samples. • ...
General Chemistry 1 2015-07-12
Across
- Is a concise statement of a relationship between phenomena that is always the same under the same conditions.
- Is anything that has mass and takes space.
- One of the co-founders of the so-called "BEC" state of matter.
- The ability to do work; property of objects which can be transferred to other objects or converted to other forms.
- Best known for his pioneering work in the development of the "modern atomic" theory.
- Is a contemplative and rational type of abstract or generalizing thinking.
- The first step in the methods of scientific research.
- Is the quantity of three-dimensional space enclosed by some closed boundary,
- Branch of chemistry that deals with organisms.
Down
- The smallest particle of a substance that can exist by itself or be combined with other atoms to form a molecule.
- The force that gravity exerts on an object.
- One of the four fundamental states of matter.
- Third of the scientists who proposed their own model of the atom; described the atom to possess "energy levels".
- One who formulated the formula for the theory of relativity; co-founder of the BEC.
- The study of physical properties of molecules and their relations to the ways in which they are put together with atoms.
- Knowledge about or study of the natural world based on facts learned through experimentation and observation
- Physical separation of solids from liquids.
- Second scientist that who proposed his own version of the structure of the atom.
- Study of how we analyze the chemical components of samples.
- Gas that has been energized to the point that electrons break free.
20 Clues: Is anything that has mass and takes space. • The force that gravity exerts on an object. • Physical separation of solids from liquids. • One of the four fundamental states of matter. • Branch of chemistry that deals with organisms. • The first step in the methods of scientific research. • Study of how we analyze the chemical components of samples. • ...
Chemistry unit 1 2014-12-31
Across
- the ability of an atom to attract electrons towards itself in a covalent bond
- an element with s and d-electrons but no p-electrons in its outer shell
- the number of protons in the nucleus of an atom
- the heat energy required to remove one electron from each of a mole of free gaseous +1 ions of that element
- an element with s-electrons only in its outer shell
- the amount of substance containing the same number of elementary particles as there are in 12.000 grams of carbon 12
- the same molecular formula, but a different functional group
- the ratio of the mass of one atom of the isotopic to 1/2 of the mass of one atom of carbon-12
- a pair of electrons shared between two atoms
- the number of elementary particles that there are in 12.000 grams of carbon-12
- an attraction between a cat-ion and a sea of delocalised electrons
- the total number of protons and neutrons in the nucleus of an atom
- the same molecular formula but a different arrangement of carbon in the chain
- atoms with the same atomic number but different mass numbers
Down
- the existence of partial positive and negative charges on each end of the bond as a result of the unequal sharing of electrons
- the same molecular formula but a different arrangement of of covalent bond
- an attraction between oppositely charged ions
- the ratio of the average mass of a molecule to 1/2 of the mass of carbon-12
- the heat energy required to remove one electron from each of a mole of free gaseous atom of that element
- an atom or group of atoms which confer specific physical and chemical properties to the molecule
- the simplest whole number ratio in which the atom of each element in a compound are found
- an element with p-electrons in its outer shell
- the number of atoms of each element n one molecule of the substance
- the mass of a substance containing the same number of elementary particles as there are in 12.000 grams of carbon-23
- series of compounds with the same functional group in which the molecular formula varies by CH2 from one member to the next
- a pair of electrons shared between two atoms, one of which provides both of the electrons
- a number of different structures having the same molecular formula
27 Clues: a pair of electrons shared between two atoms • an attraction between oppositely charged ions • an element with p-electrons in its outer shell • the number of protons in the nucleus of an atom • an element with s-electrons only in its outer shell • the same molecular formula, but a different functional group • ...
Chemistry Unit Review 2015-03-03
Across
- A way of expressing information about a chemical reaction using chemical element symbols, numbers, and symbols like (), +, and →.
- Elements left of the metalloid "staircase" on the periodic table; they are malleable, shiny, conduct heat and electrical current, and all but one are solids at room temperature
- A chemical bond that involves the electrostatic attraction between oppositely charged ions.
- A number, figure, symbol, or indicator that is smaller than the normal line of type and is set slightly below it. Represent how many atoms of a certain type are in a molecule.
- The idea that, in physical changes and chemical reactions, matter can not be created or destroyed.
- Donates OH- when in water, is bitter, corrodes tissues, turns red litmus blue.
- A reaction where one single compound breaks down into two or more simple chemicals.
- A material or liquid that will change to a known color when in the presence of a certain pH.
- When a substance (or a few substances) change into another substance. The number and types of atoms are the same, but they are bonded together differently than before.
- A substance that decomposes rapidly under certain conditions with the production of gases, which expand by the heat of the reaction. The energy released is used in firearms, blasting, and rocket propulsion
- A chemical reaction where one component each of both the reacting molecules is switched to form the products.
- A substance that is altered or incorporated into another substance in a chemical reaction. What you start with.
- A group of elements with similar chemical properties. These tend to be associated with the vertical columns on the periodic table.
- A system of information and labels related to hazardous materials designed to ensure the safety of employers and employees while at the workplace.
- The elements on the right of the periodic table; they are brittle, do not conduct heat or electric current, and can be solids, liquids, or gases at room temperature.
Down
- A type of double displacement reaction in which a strong acid and strong base react with each other to form water and salt.
- A chemical equation that has coefficients to show how many of molecules of the reactants and the products are needed in order to conserve mass is described as this.
- A sheet of information about the composition and properties of a chemical substance, as well as steps for handing and storing it safety.
- A reaction where two or more chemicals combine to form a more complex product.
- Icons that appear on household product labels to warn of possible dangers such as explosive, corrosive, flammable or poisonous.
- A type of chemical reaction where a single element or ion moves out of one compound and into another - that is, one element is replaced by another in a compound.
- The rows in the periodic table are also known as this.
- Donates H+ when in water, is sour, corrodes metal and tissues, turns blue litmus red.
- Material that ignites easily and burns rapidly with a flame.
- A substance used to neutralize acidity, especially in the stomach
- A chemical bond that involves the sharing of electron pairs between atoms.
- An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
- A scale ranging from 0 to 14, reflecting the concentration of hydrogen ions in solution (how acidic/basic a substance is).
- A substance that will destroy and damage other substances with which it comes into contact.
- A way of expressing information about a chemical reaction using words and symbols like + and →.
- A number written in front of a chemical formula in a balanced chemical equation to show how many of that atom or molecule are present.
- A way of expressing information about a chemical (molecule or ion) using chemical element symbols, numbers, and symbols like (), +, and -.
- A solution containing a relatively small quantity of solute as compared with the amount of solvent. For example, if you add a lot of water to juice, it becomes this.
- The substance(s) that are created during a chemical reaction. The end result.
- A substance that is capable of causing the illness or death of a living organism when introduced or absorbed.
35 Clues: The rows in the periodic table are also known as this. • Material that ignites easily and burns rapidly with a flame. • A substance used to neutralize acidity, especially in the stomach • A chemical bond that involves the sharing of electron pairs between atoms. • The substance(s) that are created during a chemical reaction. The end result. • ...
Chemistry Vocabulary Review 2015-02-18
Across
- central part of the atom that contains the protons and neutrons.
- a state of matter that starts as a gas and then becomes ionized.
- the resistance of a gas or liquid to flow.
- the kinetic energy of the substance's atoms.
- positive subatomic particle of the atom.
- bond formed where electrons are shared
- a non-solid state of matter in which the atoms or molecules are free to move past each other as in a gas or liquid.
- region of the atom where the negative electrons are likely to be found.
- The capacity to do work.
- number of maximum electrons in the first energy level.
- the change of a substance from a gas to liquid.
- neutral subatomic particle of the atom.
- bond formed where electrons are transferred
Down
- the process in which a solid changes directly into gas.
- the amount of force exerted per unit area of the surface.
- electron in the outer most energy level that will determine an atoms chemical property.
- the change of a substance from a liquid to gas.
- the arrangement of atoms in a substance.
- negative subatomic particle of the atom.
- number of maximum electrons in the third energy level.
- a bond formed by the attraction between two positively charged metal ions
- a disturbance in a material that carries energy from one place to another.
- number of maximum electrons in the second energy level.
23 Clues: The capacity to do work. • bond formed where electrons are shared • neutral subatomic particle of the atom. • the arrangement of atoms in a substance. • positive subatomic particle of the atom. • negative subatomic particle of the atom. • the resistance of a gas or liquid to flow. • bond formed where electrons are transferred • the kinetic energy of the substance's atoms. • ...
Review Test Chemistry 2015-04-06
Across
- releases energy, becomes warm
- requires energy, becomes cold
- change of state liquid to gas
- change of state solid to gas
- plasma is made of ---
- weapons negative factors- destructive, radiation
- liquids have a ------volume
- resistance to flow
- physical change, how tightly packed the particles are
- type of change, viscosity and change of state
- how a liquid moves
- one ways to increase the rate in which a chemical change occurs
Down
- change of state gas to liquid
- power reliable source of power, no pollutants, produces lots of energy with a small amount of fuel
- change of state solid to liquid
- chemical change when a metal is exposed to a nonmetal
- amount of solute that will dissolve in a certain amount of solvent and temperature
- chemical change when a substance is exposed to oxygen
- how a solid moves
- definite shape and definite volume
- how a gas moves
- change that creates something new
- most abundant state of matter in the universe
- states of matter no definite shape or volume
24 Clues: how a gas moves • how a solid moves • resistance to flow • how a liquid moves • plasma is made of --- • liquids have a ------volume • change of state solid to gas • change of state gas to liquid • releases energy, becomes warm • requires energy, becomes cold • change of state liquid to gas • change of state solid to liquid • change that creates something new • ...
Chemistry Topic Review 2020-12-28
Across
- / ______ is anything that has mass and takes up space.
- / atom with same number of protons and electrons but different numbers of neutrons.
- / this principle suggests that a body that is submerged in a fluid is buoyed up by a force equal in magnitude to the weight of the fluid that is displaced.
- / the energy of motion is _______.
- / the positively charged dense center of an atom.
- / atoms are arranged on the periodic table of the _______.
- / element number 6 on the periodic table of the elements.
- / The melting and boiling point are example of _______ properties.
- / State of matter is charged particles. 99.9% of Normal
- / this is the change of substances into other substances through a reorganization of the atoms.
- / This type of matter is believed to make up 90% of the universe; it is invisible (does not absorb or emit light).
- / frist scientist to create the atomic theory.
- / the tea is an example of ______ mixture.
- / Oxygen in the nature state are ______.
- / State of matter that has definite volume but not shape.
Down
- / These are brittle, poor conductors, have no luster.
- / These have properties of both metals and nonmetals.
- / Matter is neither created nor destroyed but merely __________ from one form to another.
- / Electron’s in the outer most shell.
- / a _____ is a vertical column on the periodic table of the elements.
- / Metals are considered this if they can be made into wire.
- / these types of metals are found in the middle of the periodic table.
- / Metals are considered this if they can be made into sheets.
- / These are good conductors of heat and electricity.
- / State of matter that has definite shape and volume.
- / this Law suggests that volumes of a gas increase with temperature.
- / made up of two or more elements bonded together.
- / a _______________ is a horizontal row on The Periodic Table of the Elements.
- /units of atomic mass.
29 Clues: /units of atomic mass. • / the energy of motion is _______. • / Oxygen in the nature state are ______. • / the tea is an example of ______ mixture. • / Electron’s in the outer most shell. • / frist scientist to create the atomic theory. • / State of matter that has definite shape and volume. • ...
Chemistry Crossword Puzzle 2021-02-18
Across
- The lowest possible value of temperature
- Equal to one thousand meters
- A measure of the quantity of matter in an object
- A quantity used to measure how far an object is from the reference point.
- Defined as the percentage by mass of each element present in compound or chemistry product
- The force that gravity exerts on an object
- Specify the number of atoms of each element exactly, not just giving the ratio
- A measure of the quantity on how long an object is from one end to another
- 6.022x10^23
- A collection of functionally unrelated units that are composed of different units such as pound (lb), yard (yd), and gallon (gal)
Down
- It is numerically equal to the atomic mass of any element in atomic mass unit (amu)
- The ratio of the mass of a substance to the volume occupied by the mass of an object.
- The amount of space occupied by an object.
- A measure of the intensity of heat or how hot or cold a system or an object is.
- This method allows you to solve problems in a systematic, straightforward manner where allows you to convert one unit to another using conversion factors.
- A decimal-based system that expresses the power of tens since it is expressed in decimal, it is originally easy to use and less ambiguous.
- States the ratios of the elements that make up the molecule
- The standard unit of length in the metric system
- A unit to determine the amount of substance of matter.
- The prefix that has a decimal equivalent of 0.01
20 Clues: 6.022x10^23 • Equal to one thousand meters • The lowest possible value of temperature • The amount of space occupied by an object. • The force that gravity exerts on an object • A measure of the quantity of matter in an object • The standard unit of length in the metric system • The prefix that has a decimal equivalent of 0.01 • ...
CHemistry Vocab. 221 2021-01-26
Across
- - The amount of space an object occupies.
- - Measure of the amount of matter in an object.
- Point - Temperature at which a liquid substance becomes a gas.
- - The characteristic smell of a substance.
- The ability to be hammered or pressed down
- The ability to produce electricity
- Point - Temperature at which a solid substance becomes a liquid.
- - A chemical substance that produces hydrogen ions in solution and tastes sour.
- - A chemical substance that produces hydroxide ions in solution and tastes bitter.
- - Chemical reaction in which thermal energy is released.
- - Measure of acidity or basicity of a substance
- The characteristic of being able to attract because of an electrical force
- Property - A characteristic of a substance that describes its potential to change when interacting with other substances (reactivity with air or water, combustibility, flammability).
- Change - Process where one or more substances are altered into new and different substances.
- Property - A measurable characteristic (size, shape, or state ) of matter not involving interactions with other substances (as color, hardness, boiling point).
- - Property of a substance relating to how easily it reacts with other substances.
Down
- - Chemical reaction in which thermal energy is absorbed.
- - The readiness of a substance to produce hydrogen ions.
- The ability to be drawn out into thin wires
- - Capacity of an acid to react with a base, measured by the number of hydrogen atoms that can be replaced by a base.
- - Property of a substance defining how easily it ignites and burns.
- The ability to rust do to oxygen
- - The amount of matter in a defined volume. (density = mass/volume)
- Reaction - Combining substances so that new substances are formed that are not separated by normal chemical means. The new substances have properties different from those of the original substances.
- - A solid substance that forms from a chemical reaction that takes place in a liquid solution.
- Change - A type of change in which the form of matter is altered but one substance is not transformed into another.
- - The external features of a substance.
- - The readiness of a substance to produce hydroxide ions.
- The characteristic of a slow moving sticky substance
29 Clues: The ability to rust do to oxygen • The ability to produce electricity • - The external features of a substance. • - The amount of space an object occupies. • - The characteristic smell of a substance. • The ability to be hammered or pressed down • The ability to be drawn out into thin wires • - Measure of the amount of matter in an object. • ...
