chemistry/ Crossword Puzzles

Chemistry Unit 8 2024-06-07

Across

Amount of substance to create a saturated solution at a specific temp, amount of solvent
A separation of ions that occurs when a ionic compound dissolves
Composition is uniform throughout the mixture
On the line
Distribution of electrical charge among the atoms connected by a chemical bond
opposite of concentrated
Capable of being dissolved
Insoluble solid that emerges from a liquid solution
A homogeneous mixture that has two or more substances in one phase
Intermediate size particles
When the particles in a solvent settle out unless constantly being stirred

Down

An example would be air
Solution process with water as a solvent
The number of moles of solute in one liter of solution
Composition is not uniform throughout the mixture
An example would be a rock
Process of molecules surround and interact with solute ions or molecules
the measure of the amount of solute in a amount of solvent or solution
liquids that aren't soluble in each other
An example would be water

20 Clues: On the line • An example would be air • opposite of concentrated • An example would be water • An example would be a rock • Capable of being dissolved • Intermediate size particles • Solution process with water as a solvent • liquids that aren't soluble in each other • Composition is uniform throughout the mixture • Composition is not uniform throughout the mixture • ...

Science 7 (Chemistry) 2024-06-18

Across

a mixture where the substances are so evenly distributed that it is difficult to distinguish one from another
a reaction that releases energy, usually in the form of heat; feels hot
a reaction that absorbs energy; feels cold
amount of matter in an object; measured in grams (g)
a change that alters the form or appearance of a material but does not make the material into another substance
the temperature at which a liquid goes from the liquid state to the gas
group of atoms that are joined by sharing electrons
substance that takes part in and undergoes change during a reaction
the thing(s) the scientist keeps the same
no distinct shape or volume; made up of electrically charged particles
the outcome the scientist measures; the responding variable

Down

system of knowledge and the methods you use to find that knowledge
researched prediction; "if...,then..." statement
made from two or more simpler elements
has no definite shape and no definite volume
a change in which one or more substances combine or break apart to form new substances
substance(s) formed as the result of a chemical reaction
a mixture with parts that are noticeably different from one another
has a definite volume, but NO definite shape
equal mass divided by volume
the thing the scientist changes; manipulated variable
has a definite shape and definite volume
point temperature at which a substance changes from a solid to a liquid
anything that has mass and volume
smallest particle of an element

25 Clues: equal mass divided by volume • smallest particle of an element • anything that has mass and volume • made from two or more simpler elements • has a definite shape and definite volume • the thing(s) the scientist keeps the same • a reaction that absorbs energy; feels cold • has no definite shape and no definite volume • has a definite volume, but NO definite shape • ...

Chemistry Key Terms 2024-08-14

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The change in the state from gas to solid is called ______.
The state of matter which moves in random or Brownian motion.
The process of change of state from liquid to gas over a range of temperatures.
The melting point and ________ point of any substance are both the same temperature.
Every substance around us is made up of incredibly small particles known as _____.
The process of conversion of solid to liquid.
A substance formed by the chemical combination of two or more elements in fixed proportions.
Electrons are present in energy levels or electron ______.
An uncharged subatomic particle.

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______ have a fixed volume but no definite shape.
A substance that cannot be further divided into simpler substances by chemical methods.
The direct change of state from solid to gas.
The _______ point increases in an impure substance.
Anything that occupies space, has mass and can be perceived by our senses is known as ______.
Atoms with same proton number but a different atomic mass.
The movement of particles from higher concentration to lower concentration.
This state of matter has the highest intermolecular forces.
The central region of an atom made up of protons and neutrons.
A subatomic particle with negligible mass.
A positively charged subatomic particle.

20 Clues: An uncharged subatomic particle. • A positively charged subatomic particle. • A subatomic particle with negligible mass. • The direct change of state from solid to gas. • The process of conversion of solid to liquid. • ______ have a fixed volume but no definite shape. • The _______ point increases in an impure substance. • ...

Chemistry Lab Equipment 2024-08-15

Chemistry Lab Equipment crossword puzzle

Across

Used for holding and organizing test tubes on the counter of the lab station.
Used to measure substances to a known volume, they can only measure to one specific volume.
Used to retrieve and dispense powder or solid chemicals for weighing or transferring to flasks or beakers.
Used to measure the temperature of solutions recorded in celsius.
Used for handling hot crucibles; also used to pick up other hot objects but NOT to be used to pick up beakers.
Connect to a ringstand and provide stable, elevated platforms for the reaction.
Something worn to protect your eyes during all lab exercises.
Used to hold a test tube that may be too hot to handle.
Used to hold a small amount of a solid, such as a product of a reaction.
Sits on top of an iron ring to provide a place to stand a beaker.
Used to close containers to avoid spillage or contamination, substances should never be heated with this on.
Safe and convenient way to perform reactions that require heating over a Bunsen burner.
Used to aid in the transfer of liquid from one vessel to another.
Used to attach rods to ring stand for certain experiments.
Used to pickup small objects.

Down

Used to perform many small scare reactions at one time.
Used for precise measurements (mass).
Used to clean out test tubes and graduated Cylinders.
Used to heat certain solids, more specifically metals to very high temperatures.
Used to measure volumes of liquids (varying volumes, and used often in labs in here).
Measures and delivers exact volumes of liquids (typically used in college labs).
Used to grind up substances into fine powder.
Used as a support for porcelain crucibles when being heated over a Bunsen burner.
Delivers a wash solution (typically distilled water) to a specific area.
Used to move beakers that contain hot liquids.
Used to hold substances during lab activities, and hold small amounts of materials and can easily be held over a flame.
Paper used to separate solids and liquids.
Used to manually stir solutions or transfer a single drop of a solution.
Used to hold both solids and liquids and help to stir or heat a solution that are unlikely to splatter.
Used to hold solids or liquids that could release gases during a reaction or that are likely to splatter if stirred or heated.
Used to weigh solids that will be later transferred to another vessel.
Used to light bunsen burners.
Used for the heating of nonvolatile liquids and solids.
Used to transfer a small volume of a liquid (We use instead of a glass eyedroper).

34 Clues: Used to light bunsen burners. • Used to pickup small objects. • Used for precise measurements (mass). • Paper used to separate solids and liquids. • Used to grind up substances into fine powder. • Used to move beakers that contain hot liquids. • Used to clean out test tubes and graduated Cylinders. • Used to perform many small scare reactions at one time. • ...

Alvin's Chemistry Crossword 2024-09-06

Alvin's Chemistry Crossword crossword puzzle

Across

What box’s subshell on the periodic table can only hold 3 up to orbitals?
What does the equation: 6.626 x 10^-34 Js represent?
Lowest Point on a wave
The Lower the Frequency, The _______ the wavelength
Write True or False: Sulfur [S] is a Noble Gas
Lowest energy orbitals are filled _____
Write True or False: Light at a certain frequency causes metals to eject their electrons, but below a certain frequency, no electrons will eject no matter the brightness of the light
Minimum amount of energy that can be gained or lost by an atom
What color has the most amount of energy in the Visible Light Spectrum?
What color has the least amount of energy in the Visible Light Spectrum?
Atoms become ______ when they absorb energy
Shorthand way of writing an element's electron configuration by using the symbol of the preceding noble gas in brackets to represent the core electrons
What are the electrons in the outermost energy level called?
What unit is used to measure Energy?
What unit is used to measure frequency?
What box’s subshell on the periodic table can only hold 7 up to orbitals?
Type of electromagnetic radiation that is present in sunlight
A space where an electron is most likely to be found within an atom
What does the equation: 3.00 x 10^8 m/s represent?
What unit is used to measure wavelengths?
The way in which electrons are arranged in various orbitals around the nuclei of atoms are called ________ __________ (Ex: 1s2 2s2 2p6)

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What acronym is used to show the lowest to highest energy on the visible light spectrum?
The distance from the center line to the top of the Crest of a Wave
Highest point on a wave
What box’s subshell on the periodic table can only hold 1 orbital?
What does the λ in the Wave formula represent?
Write Yes or No: Is Neon [Ne] a Noble Gas
The last group of elements in the periodic table with full subshells
______ light can be seen by the human eye and falls in between Infrared and Ultraviolet on the electromagnetic spectrum
A tiny particle that comprises waves of electromagnetic radiation
What are the electrons in the inner, or lower energy shells called?
How many electrons are allowed to be in one orbital?
Highest energy orbitals are filled ____
What box’s subshell on the periodic table can only hold up to 5 orbitals?
Electrons tend to ____ when next to each other
Electrons must spin ________ from each other to occupy the same orbital
What does the E in E=hv represent?
What does the v in the Wave formula represent?
The Higher the Frequency, The _______ the wavelength
Type of electromagnetic radiation that is invisible to the human eye but can be detected as heat

40 Clues: Lowest Point on a wave • Highest point on a wave • What does the E in E=hv represent? • What unit is used to measure Energy? • Lowest energy orbitals are filled _____ • Highest energy orbitals are filled ____ • What unit is used to measure frequency? • Write Yes or No: Is Neon [Ne] a Noble Gas • What unit is used to measure wavelengths? • ...

Chapter 6 chemistry 2024-06-12

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subatomic particles with a no charge.
substance that occupies space and has mass/weight
The head of a surfactant molecule
substances that allow oil and water to mix, or emulsify.
substance that causes or is believed to cause cancer
A liquid that is ____________ is easy to ignite and has a flashpoint below 100 degrees Fahrenheit.
ion with a negative electrical charge.
an atom or molecule that carries an electrical charge
sweet, colorless, oily substance used as a solvent and as a moisturizer.
substance that dissolves the solute and makes the solution.
a stable, uniform mixture of two or more substances
how a substance is used and how much of it is used and is determined by overexposure.

Down

simplest form of chemical matter and contains only one type of atom.
substance may cause cancer but not always.
subatomic particles with a positive charge.
A pH BELOW 7
an ion with a positive electrical charge.
substance that is dissolved in a solution.
separation of an atom or molecule into positive and negative ions.
colorless gas composed hydrogen and nitrogen that has a pungent odor. It is used to raise the pH in hair products.
unstable physical mixtures of undissolved particles in a liquid.
A pH ABOVE 7
The tail of a surfactant molecule

23 Clues: A pH BELOW 7 • A pH ABOVE 7 • The head of a surfactant molecule • The tail of a surfactant molecule • subatomic particles with a no charge. • ion with a negative electrical charge. • an ion with a positive electrical charge. • substance may cause cancer but not always. • substance that is dissolved in a solution. • subatomic particles with a positive charge. • ...

Chemistry S1 Revision 2023-06-14

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A solution with a pH of below 7
How you separate a soluble solid from a liquid
A solution with a pH of above 7
The solid which is dissolved to make a solution
How you separate a mixture of liquids
The liquid which dissolves a substance is the _____
The colour which means alkali

Down

When a liquid becomes a solid
When you add an acid to an alkali
When a solid becomes a liquid
How you separate an insoluble solid from a liquid
When you add water to an acid
When a substance is able to dissolve it is ______
The colour which means acidic
A piece of equipment that turns a gas into a liquid
A solution with a pH of exactly 7
State with a fixed shape and volume
State that changes volume and shape to fill the space
State with a fixed volume but changes shape
The colour which means neutral

20 Clues: When a liquid becomes a solid • When a solid becomes a liquid • When you add water to an acid • The colour which means acidic • The colour which means alkali • The colour which means neutral • A solution with a pH of below 7 • A solution with a pH of above 7 • When you add an acid to an alkali • A solution with a pH of exactly 7 • State with a fixed shape and volume • ...

Chemistry of Life 2023-06-08

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A polymer of many amino acids linked by peptide bonds
An essential element in making DNA and RNA. It is also found in ATP
Describes the appearance of double-stranded DNA
A basic molecule that can covalently bond to other monomers to form long chains called polymers.
A class of lipids whose molecule has a hydrophilic head and two hydrophobic tails
The overall protein structure that results from the aggregation of the polypeptide subunits
A very large molecule important to biophysical processes
This biological molecule is often nonpolar and insoluble in water
Any substance that resists water
An organic molecule possessing both an amino group and a carboxyl group
The end-to-end chemical orientation of a single strand of nucleic acid
The property of water that refers to water molecules sticking to another surface
Polypeptide chains lying side by side are connected by hydrogen bonds between parts of two parallel polypeptide backbones
A functional group in amino acids that ionizes to release hydrogen ions. Consists of a hydroxyl group and carbonyl groups
A measure of how difficult it is to stretch or break the surface of a liquid
Arises from the hydrogen bonds formed between atoms of the polypeptide backbone

Down

The overall shape of a polypeptide resulting from interactions between the side chains of the various amino acids
A delicate coil held together by hydrogen bonding between every fourth amino acid
Organic molecules composed of a nitrogenous base, a pentose sugar and a phosphate
The chemical backbone of all life on Earth, makes molecules organic
Any substance that has an affinity for water
Elements that an organism needs to live a healthy life and reproduce
The sequence of amino acids in a polypeptide chain
Includes both sugars and polymers of sugars
Refers to when the two sugar-phosphate backbones run in opposite 5’ to 3’ directions from each other
A nucleic acid that acts as a messenger carrying instructions from DNA for controlling the synthesis of proteins
Polymers are broken down into monomers through a reaction due to the addition of water
Elements that are required by an organism in only minute quantities
The property of water that refers to water molecules sticking to each other
This biological macromolecule consists of one or more polypeptides

30 Clues: Any substance that resists water • Includes both sugars and polymers of sugars • Any substance that has an affinity for water • Describes the appearance of double-stranded DNA • The sequence of amino acids in a polypeptide chain • A polymer of many amino acids linked by peptide bonds • A very large molecule important to biophysical processes • ...

Chemistry Final Review 2023-06-07

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A _______ formula refers to a formula containing the actual number of atoms in a compound.
A ______ formula refers to the simplest ratio of atoms in a compound.
The periodic table is made up of lots of different _______.
The boiling and condensing of a liquid to separate it from other substances.
London-dispersion forces are an example of this type of force.
The careful pouring of a liquid to separate it from a solid.
The elements/compounds that go into a reaction.
A bond is considered to be _______ if the electronegativity difference is less than 0.4.
Polar covalent bonds are an example of this type of force.
_____'s law says that there is a direct relationship between the number of particles and the pressure in a container.

Down

Boron has an ionic ________ of +3.
As the size of a container decreases, the _____ will increase.
A ______ is made up of several types of elements or several types of compounds.
These types of bonds primarily occur between hydrogen atoms and nitrogen, oxygen, or fluorine atoms.
To find the ______ mass of a compound, you add together all of the atomic masses of the elements in the compound.
A _____ mixture contains a uniform composition of particles.
A _____ is equal to 6.02x10^23 of something.
These types of bonds occur between metals and nonmetals.
A bond is considered to be _____ if the electronegativity difference is greater than 0.4.
There are 3 states of matter. Solid, _____, and gas.
The elements/compounds that come out of a reaction.
At the end of the year, we have been learning how to _______ chemical equations.
These types of bonds occur between nonmetals and nonmetals.
A ______ mixture contains a non-uniform composition of particles.
How much space something takes up.

25 Clues: Boron has an ionic ________ of +3. • How much space something takes up. • A _____ is equal to 6.02x10^23 of something. • The elements/compounds that go into a reaction. • The elements/compounds that come out of a reaction. • There are 3 states of matter. Solid, _____, and gas. • These types of bonds occur between metals and nonmetals. • ...

History of Chemistry 2023-06-24

Across

Modern developed version of Crooke’s tube.
Used by Millikan by creating a known electrical charge on a drop of oil with known mass.
Concerned with transforming base elements into gold from the time of Aristotle until first half of 1700s.
The negatively charged particle of an atom located outside of the nucleus.
Established that the periodic table is arranged by atomic number not atomic mass.
Discovered oxygen by heating mercury(II) oxide in 1774.
Discovered that atoms contained smaller negative particles, electrons, using a Crooke’s or cathode ray tube.
Experimental setup used by Rutherford, shooting alpha particles through a gold foil.
Determined that an atom has a small dense positively charge center and is mostly empty space, 1911.
Discovered radioactivity.
Named oxygen. Established the law of conservation of mass.
Thought everything was made of four elements, earth, fire, water, and air.
Discovered the neutron.

Down

(Geber) Arabic alchemist who developed many tools and procedures used by early chemists.
A particle made up of two protons and two neutrons, in other words, the necleus of a helium atom.
The positively charged particle of an atom located in the nucleus.
Established that science should be based on experimentation, observation, and measurements.
John Dalton’s model of the atom, small, indivisible, solid particles.
Thomson’s model of the atom. A cloud of positive charge with electrons embedded in it.
Rutherford’s model of the atom. A small, dense, positive core surrounded by electrons in orbits.
Vacuum tube used to investigate electrical discharges in gas.
Discovered polonium and radium, radium in 1898. The ONLY person to receive Nobel prizes in two sciences.
The number of protons in the nucleus of an atom.
Introduced the word, atomos, meaning uncuttable. Thought matter was made of atomos particles.
Established the law of multiple proportions. Proposed the atomic theory in 1804.
First modern chemist. Discovered the relationship between pressure and volume of gases – Boyle’s Law.
The small dense core of an atom where all of the positive charge exists.
Established the law of definite proportions.
Discovered and isolated the nobel gases. Discovered alpha particles.
Created the modern periodic table in 1869.
Determined the mass of an electron using the oil drop experiment.

31 Clues: Discovered the neutron. • Discovered radioactivity. • Modern developed version of Crooke’s tube. • Created the modern periodic table in 1869. • Established the law of definite proportions. • The number of protons in the nucleus of an atom. • Discovered oxygen by heating mercury(II) oxide in 1774. • Named oxygen. Established the law of conservation of mass. • ...

Chemistry Crossword Puzzle 2023-04-21

Chemistry Crossword Puzzle crossword puzzle

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When a solution of H+ ions is more concentrated, it's pH will be ______
A substance that is dissolved by the solvent
A solution with more OH- ions than H+ ions.
When equal strength of equal amounts of an acid and a base combine.
Ionic compounds ________ when dissolved.
A measure of how acidic or basic a solution is. Higher than 7 is basic, lower than 7 is acidic.
OH-, PO4-, CO3^2- are all examples of _________ ions.
A solution with more H+ ions than OH- ions.
A compound that dissolves but does not dissociate.

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When a solution of H+ ions is less concentrated, it's pH will be ______
A substance (usually a liquid) that dissolves the solute
A substance that produces OH- ions when dissociated in water.
A homogenous mixture of solute and solvent
A solution with a pH of 7 is __________
A substance that produces H+ ions when dissociated in water
In a neutralization reaction, OH- and H+ react to produce _________
A chemical equation that shows all of the ions when dissolved in water is called a ________ ionic equation.
A measure of concentration expressed as moles/Liter
An ion that does not change form or participate in the reaction is called a _______ ion.
Adding water to a stock solution in order to get a solution of a new concentration
A chemical equation that does not include the spectator ions is called a ____ ionic equation.

21 Clues: A solution with a pH of 7 is __________ • Ionic compounds ________ when dissolved. • A homogenous mixture of solute and solvent • A solution with more OH- ions than H+ ions. • A solution with more H+ ions than OH- ions. • A substance that is dissolved by the solvent • A compound that dissolves but does not dissociate. • ...

Chemistry Crossword Puzzle 2023-04-25

Across

the ratio of solute to solvent in a solution
transfers of electrons between atoms, resulting in cations and anions
a neutral particle having equal numbers of p+ and e-
negatively charged ion
a small amount of solute per solvent quantity
a mixture that is not uniform
atoms will gain, lose, or share valence e- to attain a 8 valence electrons
the sharing of two pairs of electrons
the sharing of a single pair of electrons

Down

the sharing of three pairs of electrons
the mass of an atom given in amu
positively charged ion
an atom or group of atoms that has either gained or lost e- so that it is no longer electrically neutral
Sharing of electrons by atoms so that all atoms involved achieve a filled valence level
substances that can be dissolved
substance that does the dissolving
a lot of solute per solvent quantity
substance that is dissolved
substances that are volatile vaporize easily
substances that cannot be dissolved to form a solution

20 Clues: positively charged ion • negatively charged ion • substance that is dissolved • a mixture that is not uniform • the mass of an atom given in amu • substances that can be dissolved • substance that does the dissolving • a lot of solute per solvent quantity • the sharing of two pairs of electrons • the sharing of three pairs of electrons • ...

We've got CHEMISTRY 2023-04-25

Across

liquid to gas
solid to gas
number of protons in the nucleus
absorbs heat
gas to solid
a mixture that is not uniform
when two liquids do not mix
pressure is constant
atoms with different numbers of neutrons
microscopic particles are dispersed evenly
point at the end of a curve

Down

the process of burning something
gas to liquid
sum of protons and neutrons
numbers being accuracy
a combination of two substances
temperature is constant
volume is constant
releases heat
a mixture containing particles that settle out

20 Clues: solid to gas • absorbs heat • gas to solid • gas to liquid • liquid to gas • releases heat • volume is constant • pressure is constant • numbers being accuracy • temperature is constant • sum of protons and neutrons • when two liquids do not mix • point at the end of a curve • a mixture that is not uniform • a combination of two substances • the process of burning something • ...

We've got CHEMISTRY 2023-04-25

Across

liquid to gas
solid to gas
number of protons in the nucleus
absorbs heat
gas to solid
a mixture that is not uniform
when two liquids do not mix
pressure is constant
atoms with different numbers of neutrons
microscopic particles are dispersed evenly
point at the end of a curve

Down

the process of burning something
gas to liquid
sum of protons and neutrons
numbers being accuracy
a combination of two substances
temperature is constant
volume is constant
releases heat
a mixture containing particles that settle out

VOCABULARY IN CHEMISTRY 2023-04-25

VOCABULARY IN CHEMISTRY crossword puzzle

Across

Type of elements in the left side of the periodic table
Unit to measure mass
The conditions in which a gas occupies 22.7L at 25C and 1 atm.
Last part of the chemical reaction
Is the mass that appears in the periodic table.
Negative particle of the atom
Is the number of protons of an atom.
Energy that needs to have a molecule to react
Type of elements in the right side of the periodic table
Chemical property that describes the tendency of an atom or a functional group to attract electrons toward itself.
Type of element in the last group of the periodic table

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Fist part of the chemical reaction
Ion with positive charge
Part of chemistry that studies changes in a chemical reaction
Ion with negative charge
Process that involves rearrangement of atoms
An atom with charge is called...
Positive particle of the atom
Element with symbol K
Unit for the amount of substance
Neutral particle of the atom

21 Clues: Unit to measure mass • Element with symbol K • Ion with positive charge • Ion with negative charge • Neutral particle of the atom • Positive particle of the atom • Negative particle of the atom • An atom with charge is called... • Unit for the amount of substance • Fist part of the chemical reaction • Last part of the chemical reaction • Is the number of protons of an atom. • ...

Chemistry Bonus Puzzle 2023-04-24

Across

mixture that is not uniform
individual particles cannot mix
shiny
solution is boiled to separate liquids
speeds up chemical reactions
easily bent
ratio of solute to solvent in a solution
sharing of a single pair of electrons
sharing of electrons between atoms
moles solute / liter solution
biological catalysts

Down

a mixture where particles settle out after not being disturbed
when 2 liquids do not mix
transfer of electrons between atoms
releasing energy
substances that can be dissolved
total amount of energy
ratio of the error to the actual value multiplied by 100
All matter is made up of this
absorbing energy
Atoms of the same elements with different numbers of neutrons
smallest particle of a covalently bonded compounds

22 Clues: shiny • easily bent • releasing energy • absorbing energy • biological catalysts • total amount of energy • when 2 liquids do not mix • mixture that is not uniform • speeds up chemical reactions • All matter is made up of this • moles solute / liter solution • individual particles cannot mix • substances that can be dissolved • sharing of electrons between atoms • ...

Chemistry and Energy 2023-04-11

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Refers to the heat content of a system.
_______ is a measure of energy and is represented by a J.
Δ this symbol means ________.
Amount of energy needed for a reaction to progress.
Graphs that show the potential energy of a system as a reaction progresses.
When atoms lose electrons.
ΔH is _______ in exothermic reactions.
In an endothermic reaction, the energy of the reactants is ________ than the energy of the products.
_______ energy: The energy stored in the bonds of a substance.
To calculate the enthalpy of a reaction, you take the ____ of the enthalpy of the products and subtract it from the sum of the enthalpy of the reactants.
The flow of electrons.
ΔH is _______ in endothermic reactions.
The half cell of a battery where atoms are oxidized.
In an exothermic reaction, the energy of the reactants is _______ than the energy of the products.

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Reactions or processes that absorb energy from the surroundings.
In-between of the reactants and products. Has high energy and is unstable.
Energy is _________ when bonds form.
This law states that matter cannot be created or destroyed, it can only be transferred or transformed.
Reactions or processes that release energy to the surroundings.
Batteries convert chemical potential energy into _______ energy.
ΔH is always ________ for combustion reactions.
When ions gain electrons.
The half cell of a battery where ions are reduced.
Energy is _________ when bonds break.

24 Clues: The flow of electrons. • When ions gain electrons. • When atoms lose electrons. • Δ this symbol means ________. • Energy is _________ when bonds form. • Energy is _________ when bonds break. • ΔH is _______ in exothermic reactions. • Refers to the heat content of a system. • ΔH is _______ in endothermic reactions. • ΔH is always ________ for combustion reactions. • ...

Chemistry Crossword Bonus 2023-04-24

Chemistry Crossword Bonus crossword puzzle

Across

most straightforward unit of a covalent bond
a flexible bottle with a bent tube used to wash chemicals
When atoms have very different ENs, they form __ ionic bonds.
used to protect your eyes from fumes or chemicals
equal amounts of gases at the same temperature and pressure
Strong electrolytes produce a __ concentration of ions when they dissolve.
requiring the absorption of heat
__ gas collisions and lower pressure
What is the sum of protons and neutrons in an atom?
Solids __ into liquids.
positive ion

Down

Gas velocity __ as temperature increases.
T (K) = T (°C) + 273.15
Where are metals located on the periodic table?
Atoms with __ electronegativity are more likely to lose electrons.
SI unit of energy
a cylindrical glass with a lip that allows for poring use in the lab
accompanied by the release of heat
the transfer of energy between two objects that are of different temperatures
chemical combination of a substance with oxygen, involving heat and light

20 Clues: positive ion • SI unit of energy • T (K) = T (°C) + 273.15 • Solids __ into liquids. • requiring the absorption of heat • accompanied by the release of heat • __ gas collisions and lower pressure • Gas velocity __ as temperature increases. • most straightforward unit of a covalent bond • Where are metals located on the periodic table? • ...

BOC Chemistry Study 2023-04-27

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An increase in serum acetone is indicative of a defect in the metabolism of?
Most of the carbon dioxide present in the blood stream is in the form of?
The conversion of glucose or other hexoses into lactate or pyruvate is called?
The most labile fraction of alkaline phosphatase is obtained from?
Aspartate amino transferase (AST) is characteristically elevated in diseases of the?
Regan isoenzyme has the same properties as alkaline phosphatase that originates in the?
The majority of thyroxine (T4) is converted into the more biologically active hormone______
Pellagra is associated with deficiency of what vitamin?
The identification of Bence Jones protein is best accomplished by?
A 5-year old child was evaluated for abdominal pain and anorexia by a physician. A CBC revealed a hemoglobin of 9.8 g/dL and basophilic stippling of the RBCs. The doctor should order tests to check for poisoning from ___
Total iron-binding capacity measures the serum iron transporting capacity of?
High levels of which lipoprotein class are associated with decreased risk of accelerated atherosclerosis?
A test which evaluates renal tubular function
Urobilinogen is formed in the?
Turbidity in serum suggests an elevation of?
The most specific enzyme test for acute pancreatitis is?
In electrophoresis, at a pH of 8.6 the gamma globulins move toward the cathode- despite the fact that they are negatively charged. What is this phenomenon called?
The solute that contributes the most to the total serum osmolality is?
Phenobarbital is a metabolite of _________

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The protein portion of an enzyme complex is called the?
In electrophoresis, which protein has the highest dye-binding capacity?
The regulation of calcium and phosphorous metabolism is accomplished by which gland?
Bromcresol purple at a pH of 5.2 is used in a colorimetric method to measure ______
Cocaine is metabolized to _____
The biologically most active, naturally occurring androgen is ______
Which hemoglobin has glucose-6-phosphate on the amino-terminal valine of the beta chain?
Which disease results from a familial absence of high density lipoprotein?
The enzyme, which exists chiefly in skeletal muscle, heart, and brain, is grossly elevated in active muscular dystrophy, and rises early in myocardial infarction is? (2 words together)
What substance gives feces its normal color?
In the Jendrassik-Grof reaction for total bilirubin, bilirubin reacts with diazotized sulfanilic acid to form _____
90% of the copper present in the blood is bound to?
During pregnancy, the form of estrogen measured in urine is mostly___
Which electrolyte is the chief plasma cation whose main function is maintaining osmotic pressure?
Fasting serum phosphate concentration is controlled primarily by?
Beriberi is associated with deficiency of which vitamin?
A hospitalized patient is experiencing increased neuromuscular irritability (tetany). Which test should be ordered immediately?
The principle excretory form of nitrogen is?
A carbonate salt used to control manic-depressive disorders is _____
What common substrate is used in the biosynthesis of adrenal steroids, including androgens and estrogens?
Pregnant women with symptoms of thirst, frequent urination, or unexplained weight loss should have which test performed?
The buffering capacity of blood is maintained by a reversible exchange process between bicarbonate and?

41 Clues: Urobilinogen is formed in the? • Cocaine is metabolized to _____ • Phenobarbital is a metabolite of _________ • What substance gives feces its normal color? • The principle excretory form of nitrogen is? • Turbidity in serum suggests an elevation of? • A test which evaluates renal tubular function • 90% of the copper present in the blood is bound to? • ...

Chemistry crossword puzzle 2023-07-14

Across

Two or more atoms joined together by a chemical bond
Studies all matter that is not alive and has never been alive
The most important side bond to cosmetology; sulfur containing
A change in a substance that creates a new substance with chemical characteristics different from those of the original substance
Based on the theory that atomic groups prefer an environment with other groups that have similar structures.
Hair is a form of this protein
Different atoms joined together
Matter with definite weight, volume and shape
Have a positive electrical charge and identify the atom
Anything that occupies space and has weight
Basic substances that cannot be broken down; same atoms throughout into simpler substances.
The negative charge in one amino acid grouping attracts the positive charge in another

Down

The linking together of amino acids end to end
Compounds consisting of carbon, oxygen, hydrogen, and nitrogen
A change in the physical characteristics of substance without creating a new substance
Matter with definite weight and volume but no definite shape
Have negative electrical charge
Have no electrical charge
The scientific stud of matter and the physical and chemical changes of matter.
Bond Takes place when they hydrogen atom in one molecule is attracted to an atom of another molecule
Matter with definite weight but indefinite volume and shape
Connects thousands of amino acids lengthwise to form a chain.
Deals with all matter that is now living or was alive at one time
The smallest complete unit of an element

24 Clues: Have no electrical charge • Hair is a form of this protein • Have negative electrical charge • Different atoms joined together • The smallest complete unit of an element • Anything that occupies space and has weight • Matter with definite weight, volume and shape • The linking together of amino acids end to end • Two or more atoms joined together by a chemical bond • ...

Chemistry year 8 2023-07-19

Across

two or more different elements chemically joined
joins elements together
how the "a" in the symbol for sodium should be
where non metals are found in the periodic table
contains genetic information.
when there are different elements and/or compounds not chemically combined
what the "2" in H20 should be shown in
a common acid
the most abundant gas in the air
found on the periodic table

Down

combines with iron to make rust
the number of atoms in a hydrogen molecule
found in group 0
a method of burning wax to create light
the smallest atom
has two hydrogens and an oxygen
an element that is liquid at room temperature
the number of atoms in methane
nitrogen,oxygen and hydrogen like to be in a...
has an atomic number of 86
number of atoms in a sulphur dioxide molecule
found on the left hand side of the periodic table
______ elements are either solids or gases.
how many oxygen atoms in a molecule of carbon dioxide

24 Clues: a common acid • found in group 0 • the smallest atom • joins elements together • has an atomic number of 86 • found on the periodic table • contains genetic information. • the number of atoms in methane • combines with iron to make rust • has two hydrogens and an oxygen • the most abundant gas in the air • what the "2" in H20 should be shown in • ...

High School Chemistry 2022-11-06

Across

a group of atoms bonded together
long term, repeated exposure effects
a table that shows the elements, their atomic number, symbol, and average atomic mass
characteristic patterns of bright lines produced when atoms created in high-temperature flames or electrical discharges
the ability to dissolve in another substance
stored energy
a subatomic particle that has no charge and that is found in the nucleus of an atom
a group of parts that function together as a whole
the weighted average of the masses of the isotopes of an element
energy that is stored in chemical bonds between atoms
an element that is malleable and usually conducts heat and electricity well
electrons on the outermost energy level of an atom
each element emits specific colors of light that correspond to specific wavelengths
the tendency to erode or eat away
an element that is generally a poor conductor of heat and electricity
a horizontal row in the periodic table, numbered from 1 - 7
a state of matter that has a definite shape and a definite volume
an atomic model that describes the electrons as moving in circular orbits around the nucleus
an electrically charged atom that has gained or lost one or more electrons
the ability to do work or cause change
a cancer-causing substance
a discrete region of space within the electron cloud where electrons are most likely to be found
a three-dimensional representation of a molecule
the change in energy that occurs when an electron is added to a neutral atom
a predictable pattern in the periodic table
circular orbits around the nucleus

Down

a strong force of attraction that holds two atoms together
the energy needed to remove an electron from an atom or ion
anything that has mass and takes up space
A one or two letter representation of an element
pertaining to density
a unit of energy
the number of protons in the nucleus of an atom
an area around the nucleus where an electron can be found
the distance from the nucleus to the outermost edge of the electron cloud
smallest unit of an element
vertical column in the periodic table
an atom with the same number of protons and a different number of neutrons from other atoms of the same element
a subatomic particle that has a positive charge and that is found in the nucleus of an atom
The total energy of motion in the particles of a substance
a state of matter with no definite shape or volume
the positively charged, dense central core of an atom
a state of matter that has no definite shape but has a definite volume
adverse effects occur within a short period after exposure to a poisonous substance
center of an atom
the energy of motion
lowest temperate at which materials combust
safety data sheet
the region occupied by fast-moving electrons that surrounds the nucleus of an atom
a chemical or physical agent that interacts with DNA and causes a mutation
a metric unit of length equal to one trillionth of a meter
a subatomic particle that has a negative charge
a substance that causes malformation of an embryo

53 Clues: stored energy • a unit of energy • center of an atom • safety data sheet • the energy of motion • pertaining to density • a cancer-causing substance • smallest unit of an element • a group of atoms bonded together • the tendency to erode or eat away • circular orbits around the nucleus • long term, repeated exposure effects • vertical column in the periodic table • ...

Chemistry Review Crossword 2023-01-18

Chemistry Review Crossword crossword puzzle

Across

# of protons + # of neutrons
Elements combine in such a way that each atom has a complete outer energy level, which is 8 for many elements.
Has properties of both metals and Nonmetals
Measure of the distance between the center of the nuclei of 2 ions that barely touch each other
When electrons move to a higher energy level they ____ energy
negatively charged particle in an atom
atoms of a given element that differ in the number of neutrons and consequently, in mass
The typical distance from the center of the nucleus to the outermost electron
First group of elements on the periodic table, they are extremely reactive with only one valence electron
When electrons move to a lower energy level they ____ energy.
electrons in the outermost energy level
If an atom gains electrons it becomes negatively charged
Number of protons in an element.
This elemental group has seven valence electrons and wants to gain an electron. The word means ‘salt formers’
chemical bond that involves the attraction between oppositely charged ions
subatomic particle that has a neutral charge
positively charged particle in an atom

Down

this elemental group has eight valence electrons and rarely react with other substances
Good conductors of heat and electricity, Shiny, Ductile and Malleable
measure of an atom’s attraction for another atom’s electrons
An atom that gains or loses an electron
anions are named by taking the root of the element name and applying what three letter suffix to the ending
__________ energy is the energy required to remove an electron from an atom
chemical bond that involves the sharing of electrons
the building blocks of all matter.
A fictional element, mined only in Wakanda, that is associated with the Black Panther
blends of two or more metals; also man-made materials
If the atom loses electrons, it becomes positively charged
Poor conductors of heat and electricity, Not ductile or malleable, Brittle and break easily, and Dull
model of small dense nucleus surrounded by orbiting electrons

30 Clues: # of protons + # of neutrons • Number of protons in an element. • the building blocks of all matter. • negatively charged particle in an atom • positively charged particle in an atom • An atom that gains or loses an electron • electrons in the outermost energy level • Has properties of both metals and Nonmetals • subatomic particle that has a neutral charge • ...

UNIT 2 CHEMISTRY 2023-01-24

Across

Number of wave cycles that pass a give point per unit of time
Discovered the neutron
Stated that electrons can be found in specific circular paths orbiting the nucleus
The time required for one half of the nuclei in a radioisotope sample to decay
Fixed energies of an electron
Atoms that have the same number of protons but a different number of neutrons
Number of protons in the nucleus of an atom
Region of space in which there is a high probability of finding an electron
Total number of protons and neutrons in the nucleus of an atom
Electrons occupy orbitals of lowest energy first
Discovered electrons using a cathode ray tube

Down

Proposed that atoms were indestructible and indivisble
Ion with a positive charge (loses electrons)
Smallest particle of an element that retains its identity in a chemical reaction
A wave's height from zero to crest
Discovered the nucleus of an atom
Distance between crests
Determined the electron's charge and mass using the oil drop experiment
The way electrons are arranged in various orbitals around the nucleus of an atom
Attractive force that holds the nucleus together

20 Clues: Discovered the neutron • Distance between crests • Fixed energies of an electron • Discovered the nucleus of an atom • A wave's height from zero to crest • Number of protons in the nucleus of an atom • Ion with a positive charge (loses electrons) • Discovered electrons using a cathode ray tube • Attractive force that holds the nucleus together • ...

Block Chemistry Review 2022-12-13

Across

came up with the plum pudding model and discovered electrons
negatively charged subatomic particle
an atom with a charge
the elements or compounds that are found on the left side of a chemical equation
these elements are ductile, malleable, shiny, and are good conductors
gas used to fill balloons
has a definite volume but takes the shape of its container
outermost electrons
an atom with a negative charge
takes the shape and volume of its container
these are the groups or columns on the periodic table
energy due to motion
came up with the idea that there was a solid positively charged nucleus
has only one proton
elements or compounds that are found on the right side of a chemical equation
aqueous (aq)
type of compound that occurs between two nonmetals
reaction type produces a salt and water
temperature scale that has boiling water at 100 and freezing water at 0
has a different number of neutrons than normal
has a definite shape and volume
temperature scale used here in the US
equation that only shows the participating elements in a precipitation reaction
reaction where reactants are broken down into smaller parts
type of reaction that produces a solid
these elements have no charge
6.022x10^23
an atom with a positive charge
represents the number of protons
set of elements that have varying charges
79 protons in its nucleus
neutrally charged subatomic particle

Down

the end result is different than the start
these elements have a negative 1 charge
reaction type that produces carbondioxide and water
this table contains all the known elements
energy due to position
liquid metal at room temperature
symbolic representation of a chemical reaction
series of steps used to solve problems
the measure of energy in molecules
group one on the periodic table
these elements have properties of both metals and nonmetals
element has the chemical symbol B
protons plus neutrons
father of the periodic table of the elements
produces hydroxide ions when dissolved in water
has a molar mass of 16g
system of writing numbers where the first number has to be between 1 and 10 and is multiplied by 10^x
these are the rows on the periodic table
group two on the periodic table
type of compound that occurs between a metal and a nonmetal
reaction that puts two or more things together to make something new
temperature scale that stars from absolute 0
mass per unit of volume unit g/cm^3
the flow of energy
number equal to 6.022x10^23
positively charged subatomic particle
produces hydrogen atoms when dissolved in water

59 Clues: 6.022x10^23 • aqueous (aq) • the flow of energy • outermost electrons • has only one proton • energy due to motion • an atom with a charge • protons plus neutrons • energy due to position • has a molar mass of 16g • gas used to fill balloons • 79 protons in its nucleus • number equal to 6.022x10^23 • these elements have no charge • an atom with a negative charge • ...

Chemistry Vocab Crossword 2023-01-30

Chemistry Vocab Crossword crossword puzzle

Across

The dissolved particles.
When an electron is placed in water, it's ions are free-floating.
A solution where water is the solvent.
Compound that conducts electric currents when dissolved in an aqueous solution.
Highly polar water molecules that are strongly attracted to each other.
They don't dissolve in water.
The process of ion capture by the solvent.
An equilibrium state of solute change.
Contains more solute than is can hold at a specific temperature.
How water changes in density as it changes in states.
Contains the maximum amount of solute for a given quantity of solvent.

Down

Water molecules remove solute ions from the crystal.
The rate at which a solute dissolves.
The amount of solute that dissolves in a given quantity of solvent.
The dissolving medium.
Compound that does not conduct an electric current in a solution.
Unbalanced forces pulling inwards on a drop of water.
A solid, crystal structure that contains water molecules within the crystal structure.
An inward force that creates tension along the surface, acts like a membrane around water.
Where the electrons are shared unevenly between the atoms.
Areas within the ocean where animal life suffocates because the oxygen concentration is so low.
Graph of the solubility as a function of the temperature.

22 Clues: The dissolving medium. • The dissolved particles. • They don't dissolve in water. • The rate at which a solute dissolves. • A solution where water is the solvent. • An equilibrium state of solute change. • The process of ion capture by the solvent. • Water molecules remove solute ions from the crystal. • Unbalanced forces pulling inwards on a drop of water. • ...

Valentine's Day Chemistry 2023-02-08

Valentine's Day Chemistry crossword puzzle

Across

SI unit of energy
Used for storing and pouring liquids
Regard with respect
The flow of heat at constant pressure
Pick 'em, Pluck 'em, Give 'em
Symbols of love and peace
The most celebrated love symbol in ancient Egypt
The basic unit of length
The molecule on the bag
Recognition of gratitude
Represents a lover's emblem in China and Japan
During the middle ages, Europeans used this fruit in love rituals
An organ and a symbol of love
Numbers known and given to us
Any substance consumed

Down

Eros pricked himself with this
"Will you go out with me?"
A flower meaning forever thine to Victorians
Feel deep affection for
What has happened to this once dark celebration
changing numbers to appropriate sig figs
An instrument used to deliver a known amount of liquid
Most famous Valentine's candy
The deceptive displacement of the meniscus in at graduated cylinder
To zero out an analytical balance
Symbol of valentine's day
God of Desire in classical mythology

27 Clues: SI unit of energy • Regard with respect • Any substance consumed • Feel deep affection for • The molecule on the bag • The basic unit of length • Recognition of gratitude • Symbols of love and peace • Symbol of valentine's day • "Will you go out with me?" • Pick 'em, Pluck 'em, Give 'em • Most famous Valentine's candy • An organ and a symbol of love • Numbers known and given to us • ...

Chemistry Lab Equipment 2022-08-05

Across

finds the mass of substances
securely holds various glasswear over bunsen burners when connected to a ring stand
organizes test tubes
used to close containers: usually conical flasks
used to safely dispense liquids from pipettes
used to heat nonvolatile substances at an even temperature
used to support funnels and crucibles on a ring stand
delivers small volumes of chemicals during a titration
used to accurately measure liquids to .1 cm3
delivers distilled water
light bunsen burner
usded for heating liquids that could possibly release gases or splatter
uses gas to produce a flame to heat nonvolatile substances
used to pick up small objects
used for pulverizing solids

Down

used to deliver a fixed volume of liquid
used to cover beakers or to hold small amounts of product
transfers small amounts of liquid and are thrown away after use
identifies acids and bases
used for heating certain solids to very high temperatures
collects gases
used to dispense solid chemicals from their containers
used to clean test tubes and other lab apparatuses
used for holding test tubes which are too hot to handle
suspends glass over bunsen burner
used for heating liquids that will not release gasses or splatter
spreads flame out evenly beneath glasswear
used for evaporating liquids from solids
used to move hot items
used to weigh solids on an electronic balance
used to heat and hold small amounts of chemicals for viewing or chemical reactions
used to measure the temperature of substances
used to agitate chemicals and transfering a single drop of a solution

33 Clues: collects gases • light bunsen burner • organizes test tubes • used to move hot items • delivers distilled water • identifies acids and bases • used for pulverizing solids • finds the mass of substances • used to pick up small objects • suspends glass over bunsen burner • used to deliver a fixed volume of liquid • used for evaporating liquids from solids • ...

Chemistry Crossword Puzzle 2022-09-09

Across

sub-atomic particle with a positive charge
chemical in the salts used for the salt flame experiment
the element and nutrient that we first think of in bananas
an atom that has gained or lost electrons
what we were hitting together during the gold foil experiment to replicate a nucleus and an alpha particle
the order of colors from lowest frequency to highest frequency
the charge a neutron emits
the sub-atomic particle with no charge that lies in the nucleus
the class you got this puzzle from
the charge that an electron emits
particles that are smaller than atoms
all the mass in the universe is made out of it
creator of the gold foil experiment
the length between 2 peaks in a wave
atoms with the same number of protons, but different amount of neutrons
particle of light
noble gas before argon
the independent variable of the flame lab
Na
shape of the s orbital

Down

the tool we used to hold the cotton swabs over the unsen burner
the first element in the periodic table
used to protect your eyes
the core of an atom
color of cesium if it was based off the color of the sky
the unit of energy we have used in Planck's constant
Si
the thing that determined the color of a flame in the salt experiment
[Xe]5s^2 3f^14 4d^10
gem that rubidium is based off of
gave off green flame during flame lab and has the atomic number: 29
FE
when atoms absorb energy they become _____
the model of atom we believed was true until rutherford's gold experiment
the sub-atomic particle responsible for an atom's negative charge
the charge that a proton emits
the unit of measurement used to measure the visible light spectrum (not meters)
negatively charged ion
1s^2 2s^1
the number that is above an atomic symbol in the periodic table
positively charged ion
number of protons that hydrogen has
the amount of electrons in each orbital
Sn
2nd element found in the periodic table
Atomic Number of 79

46 Clues: Si • FE • Sn • Na • 1s^2 2s^1 • particle of light • the core of an atom • Atomic Number of 79 • [Xe]5s^2 3f^14 4d^10 • negatively charged ion • positively charged ion • noble gas before argon • shape of the s orbital • used to protect your eyes • the charge a neutron emits • the charge that a proton emits • gem that rubidium is based off of • the charge that an electron emits • ...

Chemistry Crossword Puzzle 2022-09-09

Across

What element is Ga
Most particles in rutherford's gold foil experiment were ____
What type of test is the flame test?
____ electrons are normally at the ground states.
An atom that has gained or lost one or more electrons.
Minimum amount of energy that can be gained or lost by an atom
Atoms that have a given number of protons.
A particle of light emitted when an electron shifts energy level.
Subatomic particles with a +1 charge.
Conducted the gold foil experiment.
Atoms with fewer electrons than protons.
An element that has one proton and electron
Subatomic particles with zero charge.
Smaller subatomic particles with -1 charge.
Which salt had a red flame color?
Atoms with more electrons than protons.
A tiny object made of protons and neutrons.
The relationship between frequency and wavelength is ___ proportional.
wavelength x frequency (two words)
What atoms are made up of (two words)
Light at a certain frequency causes metal to ___ their electrons.
When energy is absorbed, electrons go from ground state to ___ state
Color of flame when copper was burned.

Down

7 chemical elements on the far right of the periodic table. (two words)
Mass number of nitrogen
Upper right number on atomic symbol. (two words)
Below a certain frequency, no electrons will eject no matter the ___ of the light.
Number of orbitals
Lower left number on atomic symbol. (two words)
Maximum amount of electrons the f shell can hold
The measurement that wavelength should be calculated in
The color visible when wavelength is around 400 nm
___ =hv
6.626 x 10^-34 (two words)
Number of sig figs in 3.48
Atomic number of Ne
protons - neutrons (two words)
What does a graduated cylinder measure?
When energy is emitted, electrons go from excited state to ___ state
Upper left number on atomic symbol. (two words)
What electrons give off after their energy is emitted
Electrons occupy the lowest energy orbital available. (two words)
Shape of s orbital
Atoms with the same number of protons but different numbers of neutrons.
Atomic number 45
____ table method (used for configuration writing)

46 Clues: ___ =hv • Atomic number 45 • What element is Ga • Number of orbitals • Shape of s orbital • Atomic number of Ne • Mass number of nitrogen • 6.626 x 10^-34 (two words) • Number of sig figs in 3.48 • protons - neutrons (two words) • Which salt had a red flame color? • wavelength x frequency (two words) • Conducted the gold foil experiment. • What type of test is the flame test? • ...

Chemistry, Chapter 2 2022-09-20

Across

substance that dissolves in water to form hydroxide ions
the smallest part of a covalent compound
the things you get at the end of the reaction
substance that dissolves in water to form hydrogen ions
one substance splits a substance up in smaller pieces
a pure substance made of 2 or more elements
molecules that have a central carbon bonded to 4 groups
the immortal stuff anything needs to do something
the speed at which particles move
changes that do not change a matter identity
the physical stuff that makes up the universe
stored chemical energy that holds 2 atoms together
attraction of water molecules for each other
the things you begin a reaction with
dispersion of a substance through Brownian motion alone
organic compounds made of carbons, hydrogens and oxygens
simple carbohydrates

Down

special catalysts, naturally occurs in living things
areas of charge are asymmetrical
changes that change a matter identity
process of water to attract other substances
nonpolar liquids
provides an alternative route from reactants to products that divides less energy
molecules that contain carbon covalently bonded to other elements
living things depend on energy`s tendency to disperse
pure substances made of only one kind of atom
another key molecular building block made of 3 parts
substance to reduce a catalysts undesirable affects
basic building blocks of matter

29 Clues: nonpolar liquids • simple carbohydrates • basic building blocks of matter • areas of charge are asymmetrical • the speed at which particles move • the things you begin a reaction with • changes that change a matter identity • the smallest part of a covalent compound • a pure substance made of 2 or more elements • process of water to attract other substances • ...

Chemistry Unit One 2022-08-19

Across

the number of digits in a value, often a measurement, that contribute to the degree of accuracy of the value
SI unit for length
a room or building equipped for scientific experiments, research, or teaching, or for the manufacture of drugs or chemicals.
the closeness of a result to the true value
a bottle, usually of glass, having a rounded body and a narrow neck, used especially in laboratory experimentation.
a metal stand consisting of a long upright rod attached to a heavy rectangular base that is used with rings and clamps for supporting laboratory apparatus.
the amount of 3D space a substance or object occupies.
a way of writing very large or very small numbers
a unit of measurement obtained by multiplication or division of the base units of a system
a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
king who tragically died by drinking chocolate milk
the scientific study of the properties and behavior of matter

Down

when an object is largely immersed in a fluid, pushing it out of the way and taking its place
a common piece of laboratory glassware consisting of a finger-like length of glass or clear plastic tubing, open at the top and closed at the bottom.
a measure of the amount of matter in an object.
the SI unit of mass
a thin glass vessel, with a lip for pouring, used as containers for liquids.
the process of changing or causing something to change from one form to another.
a scale of temperature on which water freezes at 32° and boils at 212° under standard conditions.
the scale of temperature in which water freezes at 0° and boils at 100° under standard conditions.
the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.
refinement in a measurement, calculation, or specification, especially as represented by the number of digits given.
roughly calculate or judge the value, number, quantity, or extent of.
large pincers for grasping and lifting vessels of heat-resistant material used in high temperature chemical reactions.
the SI unit of volume
a tall narrow container with a volume scale used especially for measuring liquids.
a quantity chosen as a standard in terms of which other quantities may be expressed.
base unit of thermodynamic temperature measurement in the International System of Units (SI)
the force acting on the object due to gravity.
the measure of how much “stuff” is in a given amount of space

30 Clues: SI unit for length • the SI unit of mass • the SI unit of volume • the closeness of a result to the true value • the force acting on the object due to gravity. • a measure of the amount of matter in an object. • a way of writing very large or very small numbers • king who tragically died by drinking chocolate milk • the amount of 3D space a substance or object occupies. • ...

Chemistry Crossword Review 2022-09-01

Chemistry Crossword Review crossword puzzle

Across

Separating components of a liquid mixture based on how fast the parts travel up a special paper.
Separating components of a mixture based on the difference in density of the parts of the mixture. Can be two liquids or solids and liquids. What gravity would do, but faster.
Made of TWO OR MORE TYPES of atoms
Made up of charged particles of ions and electrons interacting.
the smallest unit of an element OR a compound.
Those substances that CANNOT be separated by PHYSICAL means.
The amount of space an object takes up.
Separating a liquid from another liquid where both have different boiling points.
The smallest unit of an element that has the same chemical properties of that element.
Separating a liquid from a solid that has been dissolved.
What is being dissolved
When two or more different substances are physically mixed, but NOT chemically combined.

Down

Has an indefinite shape AND indefinite volume.
The mixture does not look uniform… you can see the parts that make up the mixture.
A measure of the amount of matter an object has.
When two liquids have different densities you can remove the liquid underneath from the liquid that settled on top.
Has an indefinite shape AND definite volume.
What is dissolving the solute.
The composition is uniform… you cannot see the parts that make up the mixture.
Separating two solids, one of which is magnetic.
Has a definite shape AND definite volume.
Separating smaller solids from liquids using filter paper.
Made of only ONE TYPE of atom
Separating larger solids from smaller solids using a sieve.
Anything with mass and takes up space

25 Clues: What is being dissolved • Made of only ONE TYPE of atom • What is dissolving the solute. • Made of TWO OR MORE TYPES of atoms • Anything with mass and takes up space • The amount of space an object takes up. • Has a definite shape AND definite volume. • Has an indefinite shape AND definite volume. • Has an indefinite shape AND indefinite volume. • ...

Chemistry Matter Review 2022-09-01

Chemistry Matter Review crossword puzzle

Across

2+ substances that are physically mixed
Charged particles of ions and electrons
Separating cream from milk
Smallest unit of element w/ same prop.
Matter with definite shape and volume
The amount of space an object takes up
Separating oil and water
Anything that has mass and take up space
Separating two solids, one is magnetic
What's being dissolved
Coffee beans & water do this for coffee
Matter with indefinite shape and volume
Do this to get salt from salt water
Substance with 2 or more types of atoms
Mixture looks uniform (can't see parts)
Homogeneous mixture with two main parts

Down

The smallest unit of an element/compound
What's dissolving the solute
Used to separate beads from flour
The ink in a marker does this to work
Mixture doesn't look uniform (see parts)
Sep. 2 liquids w/different boil points
Measures the amount of matter of object
Substance with 1 type of atom
Has indefinite shape & definite volume

25 Clues: What's being dissolved • Separating oil and water • Separating cream from milk • What's dissolving the solute • Substance with 1 type of atom • Used to separate beads from flour • Do this to get salt from salt water • Matter with definite shape and volume • The ink in a marker does this to work • Smallest unit of element w/ same prop. • The amount of space an object takes up • ...

Chemistry Matter Review 2022-09-01

Across

2+ substances that are physically mixed
Charged particles of ions and electrons
Separating cream from milk
Smallest unit of element w/ same prop.
Matter with definite shape and volume
The amount of space an object takes up
Separating oil and water
Anything that has mass and take up space
Separating two solids, one is magnetic
What's being dissolved
Coffee beans & water do this for coffee
Matter with indefinite shape and volume
Do this to get salt from salt water
Substance with 2 or more types of atoms
Mixture looks uniform (can't see parts)
Homogeneous mixture with two main parts

Down

The smallest unit of an element/compound
What's dissolving the solute
Used to separate beads from flour
The ink in a marker does this to work
Mixture doesn't look uniform (see parts)
Sep. 2 liquids w/different boil points
Measures the amount of matter of object
Substance with 1 type of atom
Has indefinite shape & definite volume

Basic Chemistry Terms 2022-09-12

Across

A group of elements organized up and down on the periodic table. They react / behave similarly
This change occurs when a substance changes forms but it is chemically the same thing
A strong force or attraction between atoms
The substance being dissolved by the solvent
Two or more elements bonded together into one substance
The electrons in the outer shell
When atoms or molecules are rearranged to form new substances. The result of a chemical change.
A pure substance that cannot be chemically or physically broken down by any further means
This is how many protons are in the element
This is the average of the total protons and neutrons in an element
The simplest unit of matter that retains chemical properties

Down

The stuff on the left-hand side of the arrows in a chemical reaction
The substance in greater amount that is dissolving the solute
When an element has different number of neutrons but the same number of protons
This is an element's attraction to electrons (when participating in a covalent bond)
Two or more atoms bonded together into one
This type of chemical bond results from a sharing of electrons between two atoms
The stuff on the right-hand side of the arrows in a chemical reaction
This change occurs when a substance is transformed into another
This type of chemical bond results from the attraction of opposite charges (positive and negative)

20 Clues: The electrons in the outer shell • Two or more atoms bonded together into one • A strong force or attraction between atoms • This is how many protons are in the element • The substance being dissolved by the solvent • Two or more elements bonded together into one substance • The simplest unit of matter that retains chemical properties • ...

Chemistry Crossword 1 2022-08-29

Across

shoes need to be _______-toed
0.001 of something
One milliliter is equally to one centimeter_____
"It's so hot out! It's over 25 degrees ____"
what you should do at the end of lab
in lab, we don't sniff we _____
CER: _____, evidence, reasoning
energy phones use
"kg" means
what you need to bring for lab
1000 of something
the type of energy we give off when we get hot
a measure of volume
When you write down a measurement, you need the number and the ____

Down

the unit scientists use for energy
What a scale measures when you stand on it
one hundredth of something
feet, inches, and kilometers all measure this
the energy in food and fuel
Unit of mass
a measure of length
what we measure with a watch and a calendar
Kelvin, Fahrenheit, and Celsius all measure this
energy of motion
eye protection in lab

25 Clues: "kg" means • Unit of mass • energy of motion • energy phones use • 1000 of something • 0.001 of something • a measure of length • a measure of volume • eye protection in lab • one hundredth of something • the energy in food and fuel • shoes need to be _______-toed • what you need to bring for lab • in lab, we don't sniff we _____ • CER: _____, evidence, reasoning • ...

science chemistry matter 2023-09-12

science chemistry matter crossword puzzle

Across

a combination of different qualities in which the component elements are individually distinct
to make different
a substance that takes part in and undergoes change during a reaction.
a component or constituent of a whole
extend by inferring unknown values from trends in the known data.
describe the characteristic of a substance
a liquid mixture
characterized by ions
a stable positive subatomic particle present in the nucleus of every atom.

Down

a particular kind of matter with uniform properties
the species formed from chemical reactions
a rigorous, systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about everything
an electron of an atom, located in the outermost shell, that can be transferred or shared with other atoms
the loss of electrons during a reaction by a molecule, atom or ion
a stable subatomic particle with a negative electrical charge
a group of atoms bonded together in a specific ratio
present in the nucleus of every atom with a neutral charge
the number of electrons associated with an atom or a group of atoms is increased.
the smallest building block of all matter
a chemical bond that involves the sharing of electrons

20 Clues: a liquid mixture • to make different • characterized by ions • a component or constituent of a whole • the smallest building block of all matter • the species formed from chemical reactions • describe the characteristic of a substance • a particular kind of matter with uniform properties • a group of atoms bonded together in a specific ratio • ...

Chemistry of Life 2023-09-05

Across

subatomic particles with a negative charge
consists of 3 to 100 monomers (sometimes attaches to a protein, glycoprotein)
the smallest possible "piece" of an element
a solution with a pH less than 7
the type of bond that links amino acids to their neighbors
three long hydrocarbon chains (fat)
a solution with a pH greater than 7 (basic)
a pure substance that cannot be broken down by chemical means into other substances
substances which are polar and readily dissolve in water (sugar, salt)
nonpolar molecules that do not dissolve in water ("water-fearing")
the type of fatty acid which contains all the hydrogens it possibly can
made of monomers that are linked together
subatomic particle with a neutral charge
the tendency of water molecules to stick together
a chain of monomers called amino acids
formed by protons and neutrons together
any material that takes up space

Down

two or more chemically joined atoms
"two sugars", two monosaccharides joined
"many sugars" huge molecules of hundreds or thousands of monosaccharide monomers
one ore more solutes dissolved in a liquid solvent
the type of atomic bond that results from electrical attraction between two ions with opposite charges
the ability to move matter (heat, light, chemical bonds)
different "forms" of the same element
organic molecule, Carbon, Hydrogen and Oxygen together commonly in the proportion of 1:2:1
the most likely location for an electron relative to its nucleus
subatomic particle with a positive charge
smallest carbohydrate, usually containing five or six C
weak acids or bases which resist pH changes
measure of how acidic or basic a solution is
the type of atomic bond where two atoms share electrons
the tendency to form hydrogen bonds with substances other than water
the conversion of a liquid into a vapor
the type of atomic bond where opposite partial charges on adjacent molecules attract each other (the positive charge is always H)
three-carbon molecule that forms the main structure of a triglyceride
a molecule composed of two or more different elements
a chemical in which other substances dissolve

37 Clues: a solution with a pH less than 7 • any material that takes up space • two or more chemically joined atoms • three long hydrocarbon chains (fat) • different "forms" of the same element • a chain of monomers called amino acids • the conversion of a liquid into a vapor • formed by protons and neutrons together • "two sugars", two monosaccharides joined • ...

Chemistry naming conventions 2023-09-05

Chemistry naming conventions crossword puzzle

Across

Formula Simplest whole-number ratio
Outermost electron shell
Number Charge of an atom in compound
Without water
Positively charged ion
Formula Actual number of atoms in molecule
Reagent Reactant that runs out first
Bond Bond between cation and anion
Formula Shows arrangement of atoms
Yield Maximum amount of product possible
Compound with water molecules

Down

Ion Ion made of multiple atoms
Reagent Reactant in surplus
Study of reactant-product ratios
Yield Amount of product actually obtained
Bond Bond formed by sharing electrons
6.022 x 10^23 units of substance
Negatively charged ion
Same atoms, different arrangement
Same element, different neutrons

20 Clues: Without water • Positively charged ion • Negatively charged ion • Outermost electron shell • Reagent Reactant in surplus • Compound with water molecules • Ion Ion made of multiple atoms • Study of reactant-product ratios • 6.022 x 10^23 units of substance • Same element, different neutrons • Same atoms, different arrangement • Bond Bond between cation and anion • ...

Chemistry Chapter 1 2023-08-24

Across

A state of matter at extremely high temperatures where electrons are removed (e.g. sun)
Substance from which something is made, the origin or source
Elements combined by physical processes and either homogeneous(air, stainless steel) or heterogeneous(granite, blood, lemonade).
Different kind.
The knowledge obtained by observing the natural world.
A state of matter with a definite volume and shape.
A pure substance that cannot be subdivided without losing its properties or essence.
Initial substances before a chemical change
Same kind.
A branch of science concerned with the composition, structure, and properties of matter, the processes that matter undergo,es and the energy changes associated with those processes.
A state of matter with neither adefinite volume or shape.
A change to a substance that does not transform its chemical identity (e.g. cutting, melting, boiling)

Down

A property which depends upon the amount of matter(e.g. volume and mass)
Elements combined by chemical processes (water, salt).
A property which does not depend upon th amount of matter(e.g.. boiling point, density)
A state of matter with a definite volume.
A substance that can be subdivided into two or more elements.
Reactants yield products (similar to an equation equal sign).
Secondary substances before a chemical change.
The smallest unit of an element that maintains the chemical identity of the element.
A change to a substance that transforms its chemical identity(e.g. burning, fission, baking)

21 Clues: Same kind. • Different kind. • A state of matter with a definite volume. • Initial substances before a chemical change • Secondary substances before a chemical change. • A state of matter with a definite volume and shape. • Elements combined by chemical processes (water, salt). • The knowledge obtained by observing the natural world. • ...

Chemistry of Life 2022-10-19

Across

The carbohydrate found in fruits
The main energy source of our bodies
A carbohydrate made up of 3 or more sugar molecules
this hormone is used to regulate blood sugar, many diabetic people have to get shots of this hormone
A carbohydrate made up of a single sugar molecule
The storage form of glucose in animals
This carbohydrate is used in the fermentation of beer

Down

This carbohydrate links together using phosphates to form the back bone of DNA, is a monosaccharide
A carbohydrate made up of 2 sugar molecules
This carbohydrate links together using phosphates to form the back bone of DNA
this is the only organ that solely relies on glucose for energy except when fasting
Disaccharides are broken down into mono saccharides though ___________
This carbohydrate forms cell walls, cannot be digested by humans, and is commonly referred to as fibre
Disaccharides are formed by __________ synthesis
the process that plants use to create glucose and oxygen using only sunlight, water, and carbon dioxide
The carbohydrate used in cellular respiration
A portion of the population cannot digest this carbohydrate found in dairy.
This complex carbohydrate is stored in amyloplasts
When a glucose molecule bonds with this carbohydrate it forms lactose, and this carbohydrate is said to be involved in brain development
Table sugar, made from glucose and fructose

20 Clues: The carbohydrate found in fruits • The main energy source of our bodies • The storage form of glucose in animals • A carbohydrate made up of 2 sugar molecules • Table sugar, made from glucose and fructose • The carbohydrate used in cellular respiration • Disaccharides are formed by __________ synthesis • A carbohydrate made up of a single sugar molecule • ...

Mx. Mapel Chemistry 2022-10-12

Across

How close a measured value is to the accepted value
The amount of kinetic energy contained in a substance
in chemistry class you must never eat, drink, or chew _____
the base units for mass in metric units are _____
trailing zeros are significant figures if there is a ___________ present
a common piece of lab equipment used to measure mass
what is a common abbreviation for significant figures?
a common piece of lab equipment used to measure temperature
used to measure length
a way to measure how wrong a measurement is is expressed in terms of percent _________

Down

the stuff almost everything is made of
changing a number in one unit to another by multiplying a series of ratios
metric base units for volume
a temperature scale where 0 is the freezing point of water and 100 is the boiling point of water
during labs you must always wear your safety _____ to protect your eyes
A measure of how close together measurements are
sandwiched zeros are _________ significant
a temperature scale that starts at absolute zero
The distance from one end to the other
The amount of matter within a given volume. Hint: (g/mL)
leading zeros are _________ significant
a common piece of lab equipment used to measure volume
metric base units for length

23 Clues: used to measure length • metric base units for volume • metric base units for length • the stuff almost everything is made of • The distance from one end to the other • leading zeros are _________ significant • sandwiched zeros are _________ significant • A measure of how close together measurements are • a temperature scale that starts at absolute zero • ...

Chemistry Crossword Puzzle 2022-12-07

Across

change-new substance
change-no new substance is made.
divided by time
up and down
electricity and heat pass through it
and electricity dont pass
left to right
can be bent
right side of periodic table
or emit a glow

Down

not by a outside source
part of element
solid
on the left side of the periodic table
-is a change
shatters easily
be pulled into a wire
reflects light (shiny)
shiny
or steaming

20 Clues: solid • shiny • up and down • or steaming • can be bent • -is a change • left to right • or emit a glow • part of element • shatters easily • divided by time • change-new substance • be pulled into a wire • reflects light (shiny) • not by a outside source • and electricity dont pass • right side of periodic table • change-no new substance is made. • electricity and heat pass through it • ...

chemistry crossword puzzle 2022-06-01

Across

any of a class of chemical reactions in which an atom or group of atoms is added to a molecule
the lowest energy state of an atom or other particle
the transition of a substance directly from the solid phase to the gas phase without passing through the intermediate liquid phase
a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids
expresses the amount of a substance present in a mixture
made up of one or more atoms
a substance that has a bitter taste and reacts with an acid to form a salt
a covalent linkage in which two atoms share three pairs of electrons
something formed by a union of elements or parts
any substance that cannot be decomposed into simpler substances by ordinary chemical processes
any atom or group of atoms that bears one or more positive or negative electrical charges

Down

the quantity of matter contained in an atom of an element
atom or group of atoms that bears a positive electric charge
a substance that enters into and is altered in the course of a chemical reaction
a dynamic state where the concentration of all reactants remains constant
the mass of one mole of a substance
a chemical property that describes the tendency of an atom or a functional group to attract electrons toward itself
stable subatomic particle that has a positive charge equal in magnitude to a unit of electron charge
elements on the right of the periodic table
a measure of the average kinetic energy of the atoms or molecules in the system
any of the five elements fluorine, chlorine, bromine, iodine, and astatine
the number of a chemical element in the periodic system, whereby the elements are arranged in order of increasing number of protons in the nucleus

22 Clues: made up of one or more atoms • the mass of one mole of a substance • elements on the right of the periodic table • something formed by a union of elements or parts • the lowest energy state of an atom or other particle • expresses the amount of a substance present in a mixture • the quantity of matter contained in an atom of an element • ...

Chemistry Crossword Puzzle 2022-06-01

Across

synthesis always forms solids
Most reactive nonmetals
elements tend to be stable with eight valence electrons
Conduct electricity and heat
ion with a negative charge e- are gained
used in a balanced chemical equation
Columns on the periodic table
most comment element in the universe
ion with a positive charge e- are lost
allows us to change/convert between two units
atom or molecule that has a charge becasue it has gained or lost electrons
Rows on the periodic table
Very reactive
subatomic particles that have a negative charge

Down

electrons are shared
another name for percent yield
the smallest particle thats made up of matter
is a unit of concentration for solutions that is frequently used in chemistry
shows only the substances that undergo a change
1/12 the mass of a carbon-12 isotope
properties of elements repeat as a result of being ordered by atomic number
an atom with the same number of protons but a different number of neutrons

22 Clues: Very reactive • electrons are shared • Most reactive nonmetals • Rows on the periodic table • Conduct electricity and heat • synthesis always forms solids • Columns on the periodic table • another name for percent yield • used in a balanced chemical equation • 1/12 the mass of a carbon-12 isotope • most comment element in the universe • ion with a positive charge e- are lost • ...

IGCSE Organic chemistry 2022-05-27

IGCSE Organic chemistry crossword puzzle

Across

Alkane with 4 carbons
Alcohol containing 5 carbons
Hydrocarbon containing 14 hydrogen
Contains a -COOH functional group
Hydrocarbon with only single bonds
Type of bond in hydrocarbons
Consumed in taverns
Used to make textiles used in clothing
Largest product of fractional distilation
Most common hydrocarbon
Made in incomplete combustions

Down

Small repeating unit polymers are made of
Process combining carboxylic acids and alcohols
Has a mass number of 12
Polarisation of Alkenes
Used as air craft fuel
Standard formula for alkenes
Contains 3 carbons and 1 C=C bond
Unsaturated hydrocarbon (similar to alkanes)
Has an atomic number of 1
Process used to make more useful hydrocarbons
Standard formula for alkanes

22 Clues: Consumed in taverns • Alkane with 4 carbons • Used as air craft fuel • Has a mass number of 12 • Polarisation of Alkenes • Most common hydrocarbon • Has an atomic number of 1 • Alcohol containing 5 carbons • Type of bond in hydrocarbons • Standard formula for alkenes • Standard formula for alkanes • Made in incomplete combustions • Contains a -COOH functional group • ...

Chemistry Vocab Review 2022-05-19

Across

elements that are poor conductors of heat and electricity; located on right side of periodic table
a number in front of the chemical formula
a substance made up of atoms of two or more different elements
an electrically neutral (uncharged) particle in the nucleus of an atom
a table of elements, arranged by atomic number, that shows the patterns in their properties
a positively charged particle in the nucleus of an atom
substances that are reacting in a chemical reaction; found on the left of a chemical equation
a type of mixture where different substances are visible
shells or "rings" around the nucleus of an atom where electrons are found
a number used to indicate the number of atoms in the formula for a compound
elements that are good conductors of electricity and heat; located on left side of periodic table
a pure substance that is made up of only one kind of atom and cannot be broken down
the smallest component of an element having the same chemical properties of the element
a change in a substance that does not involve a change in the appearance of the substance
a unique number for each element that equals the number of protons in an atom of that element

Down

the elements or compounds produced by a chemical reaction; found on the right of a chemical equation
a formula that gives the elements in a compound and the ratio (number) of atoms
a type of mixture that looks the same throughout
a negatively charged, fast moving particle found outside of the nucleus
a column going up and down on the periodic table
elements with properties that fall between those of metals and nonmetals; along the bold staircase
horizontal (left to right) row on the periodic table
the ease and speed with which an element combines, or reacts, with other elements and compounds
a one or two letter representation of an element
a change in matter that produces one or more new substances
number of electrons in the outer shell of an atom
number of protons and neutrons added together

27 Clues: a number in front of the chemical formula • number of protons and neutrons added together • a type of mixture that looks the same throughout • a column going up and down on the periodic table • a one or two letter representation of an element • number of electrons in the outer shell of an atom • horizontal (left to right) row on the periodic table • ...

Yr 9 Chemistry 2022-05-15

Across

carbon dioxide is made when an acid reacts with a ---------
acids have a --- pH
a process in which reactants form products
the new substances produced in a reaction
a reaction that absorbs heat
acids and alkalis reaction to make ---- and water
a pure substance made of two or more elements bonded in a specific ratio
a change in ------ is a sign of a chemical reaction
in exothermic reactions, the mixture gets ------
a substance made of two or more elements/compounds mixed together
changes colour to show pH levels

Down

the name of the reaction between an acid and an alkali
a gas made when a metal and an acid react
in endothermic reactions, the mixture gets ------
a reaction that releases heat
when a gas is made in a reaction you will see -------
the smallest particle of any element
a particle made of two or more atoms chemically bonded together
a pure substance made of atoms of the same type
shows reactants, and arrow and products
the test used for hydrogen gas
alkalis have a --- pH
substances with a pH of 7 are -------
the substances that are used in a reaction

24 Clues: acids have a --- pH • alkalis have a --- pH • a reaction that absorbs heat • a reaction that releases heat • the test used for hydrogen gas • changes colour to show pH levels • the smallest particle of any element • substances with a pH of 7 are ------- • shows reactants, and arrow and products • a gas made when a metal and an acid react • ...

Chemistry Project Crossword 2023-10-01

Chemistry Project Crossword crossword puzzle

Across

An importance use of electrolysis which can be done when the electrodes are not inert.
Liquid which undergoes electrolysis
synthetic insulator
The type of reaction electrolysis is
A fuel cell used to produce electricity where the only chemical product is water
The charge of an Anode
Least reactive metal in reactivity series
An equation which shows the electron transfer at an electrode.
Stream of electrons
Most reactive metal in reactivity series
Used over the option of steel in power cables' inside

Down

Loss of electrons in electrolysis
Solid non-metal which conducts electricity
Element other than carbon which makes for inert electrodes
Where reduction occurs
Gain of electrons in electrolysis
Carry currents in liquid in electrolysis (plural)
Carry current through wires and electrodes (plural)
Common acronym for redox
The kind of energy given out in a great deal during the burning of hydrogen in oxygen
Where oxidation occurs

21 Clues: synthetic insulator • Stream of electrons • Where reduction occurs • The charge of an Anode • Where oxidation occurs • Common acronym for redox • Loss of electrons in electrolysis • Gain of electrons in electrolysis • Liquid which undergoes electrolysis • The type of reaction electrolysis is • Most reactive metal in reactivity series • Least reactive metal in reactivity series • ...

Chemistry Vocab Crossword 2023-09-29

Across

A substance made up of only one type of particle
Descriptive information
Something that is of different things
A substance made by mixing other substances together
The bonds that hold chemicals together
How close something is to its goal
An idea on why something happens
A property that results in a change with the same structure
A process that increases heat
The purest form something can get
A process that releases heat
A way of writing big and small numbers
How consistent something is to itself
A change that keeps the same structure before and after
How much heat something can hold
A change that results in something different
Statistical information
Something that is formed from the combination of two or more elements

Down

The coldest temperature possible
When an element can have multiple forms
A mixture that is varied and can be told apart
A well substantiated explanation of something in the world
The important digits in a number
A Curve that shows the properties of something at different temperatures
Something that is the same thing
A property that keeps the same structure before and after
A ____ that exists in the world and is absolute
How compact a substance is
A mixture that is uniform and can’t be told apart
A method that is used to answer questions you might have

30 Clues: Descriptive information • Statistical information • How compact a substance is • A process that releases heat • A process that increases heat • The coldest temperature possible • The important digits in a number • Something that is the same thing • An idea on why something happens • How much heat something can hold • The purest form something can get • ...

Chemistry Unit 2 2023-09-28

Across

Particle that is positively charged
The abbreviated word of atomic mass unit
A particle that has 0 charge
Crystals that contain water vapor trapped inside their solid structure
A standard scientific unit for measuring large quantities of very small particles such as atoms or molecules
The process of heating a crystal that contains water to vaporize and remove the water.
A particle that consists of a nucleus of protons and neutrons surrounded by electrons
An element that has a molar mass of 63.55g
What formula that is a whole number multiple of the empirical formula
Elements that have an unequal # of protons & neutrons
Formula that defies the lowest whole number ratio of parts in a compound
Particle that is found outside the nucleus

Down

A group of two or more atoms chemically bonded together
Elements that have the same number of protons, but a different number of neutrons
The neutron is found within the ____ of an atom
A Crystal that has water vapor removed from its solid structure
Element that has an atomic # of 10
Protons, neutrons, and electrons are all _____ particles
The compound of H2O is called
Electrons are _____ charged
A Crystal that still contains H2O within its structure

21 Clues: Electrons are _____ charged • A particle that has 0 charge • The compound of H2O is called • Element that has an atomic # of 10 • Particle that is positively charged • The abbreviated word of atomic mass unit • An element that has a molar mass of 63.55g • Particle that is found outside the nucleus • The neutron is found within the ____ of an atom • ...

chemistry revision GCSE 2025-03-21

chemistry revision GCSE crossword puzzle

Across

the smallest part of an element that can exist
method for finding the neutralising point of bases
subatomic particle with a positive charge
the process where a gas turns into a liquid
the pH of water
the most common element in wire
a chemical compound formed by a base and acid reaction
the process where a liquid gets so much kinetic energy it turns into a gas
the most common tool to very quickly heat something up

Down

a material that has a pH of over 7
a material with a pH less than 7
burners get fuel via:
the first element on the periodic table
the liquid that dissolves a substance
the material that dissolves in a liquid
common lab acid
the element that forms diamonds
the substance that tells you the pH of a material
subatomic particle with a neutral charge
a state of matter; sturdy bonds

20 Clues: common lab acid • the pH of water • burners get fuel via: • the element that forms diamonds • a state of matter; sturdy bonds • the most common element in wire • a material with a pH less than 7 • a material that has a pH of over 7 • the liquid that dissolves a substance • the first element on the periodic table • the material that dissolves in a liquid • ...

Chemistry Review Puzzle 2024-09-18

Chemistry Review Puzzle crossword puzzle

Across

the h in tbh
burning
a chemical that changes colour at different pH levels
largest mammal in the world
number of stars on the New Zealand flag
a soluble base
the three different physical forms that substances can exist in, such as solids, liquids, and gases.
a process that absorbs heat or energy from the surroundings.
state of matter with a fixed shape and volume, where particles are tightly packed and vibrate in place.
first letter in the greek alphabet

Down

safety gear for your face
uniform mixture formed when a solute dissolves in a solvent.
substance that dissolves the solute to form a solution.
the amount of solute dissolved in a given amount of solvent or solution.
the chemicals that are produced/made in the reaction (on the right hand side of the arrow)
the measure of hydrogen ions in a substance, determines if something is an acid/base or neutral
when a solid changes directly into a gas without becoming a liquid first.
place where all the books live
substances that have a pH less than 7 and taste sour
substances that have a pH greater than 7 and taste bitter
the chemicals you start with in a reaction (on the left hand side of the arrow)
a process that releases heat or energy into the surroundings.
when equal amounts of acid and base are added together resulting in a neutral product.
substance that is dissolved in a solvent to form a solution.

24 Clues: burning • the h in tbh • a soluble base • safety gear for your face • largest mammal in the world • place where all the books live • first letter in the greek alphabet • number of stars on the New Zealand flag • substances that have a pH less than 7 and taste sour • a chemical that changes colour at different pH levels • substance that dissolves the solute to form a solution. • ...

Chemistry of Materials 2024-09-16

Across

Any representation of a suystem used to help one understand and communicate how it works.
Two or moreatoms held together by a chemical bond.
A substance made from more than one element joined by a chemcial bond.
The stuff that makes up all living things.
The ratio of the size of a real object and a model, map, diagram, or other representation of the object.
Compounds made of long chains of smaller repeating molecular subunits called monomers.
The basic building block of mattter.
Information that supports or refutes a claim.
Mass of a substance per unit of volume.
energy The energy an object has because of its motion.
Small structures that make up all matter.
The ability of a substance to dissolve in another substance.
A state of matter eith no fixed shape.
energy The total energy of motion of the particles in a sample of a substance, often referred to as a heat in everyday use.

Down

structure A varied number of one or more kinds of atoms bonded together to form a large network.
property A property that can be identified, observed, or measuerd and does not rely on testing if the material reacts with another substance.
property Describes howo a maerial reacts with another substance.
The flexibility of a material.
The amount of space that an object or subject occupies.
A single molecular subunit.
Particular characteristics of materials.
A type of solid matter used to make things.
The simplest pure substances.
The amount of matter in an object.
A desirable outcome given up to gain another desirable outcome.
A state of matter with relatively fixed volume and shape.
A state of matter with a specific volume but not a specific shape.
Favoring one thing over another in an unfair way.
The physcial form of matter - solid, liquid or gas.

29 Clues: A single molecular subunit. • The simplest pure substances. • The flexibility of a material. • The amount of matter in an object. • The basic building block of mattter. • A state of matter eith no fixed shape. • Mass of a substance per unit of volume. • Particular characteristics of materials. • Small structures that make up all matter. • ...

Basic Chemistry Puzzle 2024-09-13

Across

The energy that is possessed by an object due to its motion or due to its position.
Atoms combining to form chemical compounds and bring stability to the resulting product.
molecules that have a dipole or an uneven distribution of charge across their geometry resulting in one side being positive and the other side negative.
Energy stored in the bonds of chemical compounds.
Electrically positive protons and electrically neutral neutrons held together by the strongest known fundamental force.
Subatomic particle that is emitted from the nucleus of an atom during radioactive decay.
The mutual sharing of one or more pairs of electrons between two atoms.
The starting materials in a reaction that undergo a chemical change to form a product.
A mixture in which very small particles of one substance are distributed evenly throughout another substance.
A substance that is being dissolved.
Positively charged ions.
A unit of measurement that is the amount of a pure substance containing the same number of chemical units.
The tendency of an atom to donate electrons and form positively charged cations.
A state of matter with particles closely packed.
A gaseous, liquid or solid mixture that has the same proportions of its components throughout a given sample.
A set of quantum states of the negatively charged electrons trapped in the electrical field generated by the positively charged nucleus.
The movement of electrically charged particles.
The ability to do work.
The bond formed by the complete transfer of valence electron to attain stability.
the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
Energy that travels in waves and spans a broad spectrum from very long radio waves to very short gamma rays.
The tendency of an atom to attract electrons in a molecule.
The number of particles in 1 mole (or mol) of a substance.
A type of heterogeneous mixture where solid particles do not dissolve in a liquid solution.
Molecules that do not have any electrical charges or partial charges.

Down

A combination of two or more pure substances in which each pure substance retains its individual chemical properties.
The outermost shell of any atom.
Subatomic particle with a negative charge.
A state of matter which takes the shape of its container.
The number of protons in a nucleus.
Atoms with the same number of protons but different numbers of neutrons.
Composite particles consisting of two protons and two neutrons tightly bound together.
Anything that has mass and takes up space
The smallest particle of a substance that has all of the physical and chemical properties of that substance.
The sum of the weights of the individual atoms that make up the molecule.
A state of matter in which the particles are far apart, fast-moving and not organised in any particular way.
A homogeneous mixture of one or more solutes dissolved in a solvent.
The total number of protons and neutrons in an atom.
An unstable form of a chemical element that releases radiation as it breaks down and becomes more stable.
A unit of concentration expressed as the number of moles of dissolved solute per liter of solution.
Subatomic particles with a positive electrical charge.
A substance made from two or more different elements that have been chemically joined.
The total weight of an atom.
Regions surrounding the atomic nucleus containing a specific number of electrons.
states that atoms are most stable when their outermost shell is filled with 8 electrons.
The smallest part of a substance that cannot be broken down chemically.
Subatomic particle with a neutral charge.
A form of electromagnetic radiation similar to X-rays emitted from an excited nucleus.
Negatively charged ions.
A chemical substance that cannot be broken down into other substances by chemical reactions.
Any substance, usually liquid, which is capable of dissolving one or several substances, thus creating a solution.

51 Clues: The ability to do work. • Positively charged ions. • Negatively charged ions. • The total weight of an atom. • The outermost shell of any atom. • The number of protons in a nucleus. • A substance that is being dissolved. • Anything that has mass and takes up space • Subatomic particle with a neutral charge. • Subatomic particle with a negative charge. • ...

Basic Chemistry Puzzle 2024-09-13

Across

The energy that is possessed by an object due to its motion or due to its position.
Atoms combining to form chemical compounds and bring stability to the resulting product.
molecules that have a dipole or an uneven distribution of charge across their geometry resulting in one side being positive and the other side negative.
Energy stored in the bonds of chemical compounds.
Electrically positive protons and electrically neutral neutrons held together by the strongest known fundamental force.
Subatomic particle that is emitted from the nucleus of an atom during radioactive decay.
The mutual sharing of one or more pairs of electrons between two atoms.
The starting materials in a reaction that undergo a chemical change to form a product.
A mixture in which very small particles of one substance are distributed evenly throughout another substance.
A substance that is being dissolved.
Positively charged ions.
A unit of measurement that is the amount of a pure substance containing the same number of chemical units.
The tendency of an atom to donate electrons and form positively charged cations.
A state of matter with particles closely packed.
A gaseous, liquid or solid mixture that has the same proportions of its components throughout a given sample.
A set of quantum states of the negatively charged electrons trapped in the electrical field generated by the positively charged nucleus.
The movement of electrically charged particles.
The ability to do work.
The bond formed by the complete transfer of valence electron to attain stability.
the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
Energy that travels in waves and spans a broad spectrum from very long radio waves to very short gamma rays.
The tendency of an atom to attract electrons in a molecule.
The number of particles in 1 mole (or mol) of a substance.
A type of heterogeneous mixture where solid particles do not dissolve in a liquid solution.
Molecules that do not have any electrical charges or partial charges.

Down

A combination of two or more pure substances in which each pure substance retains its individual chemical properties.
The outermost shell of any atom.
Subatomic particle with a negative charge.
A state of matter which takes the shape of its container.
The number of protons in a nucleus.
Atoms with the same number of protons but different numbers of neutrons.
Composite particles consisting of two protons and two neutrons tightly bound together.
Anything that has mass and takes up space
The smallest particle of a substance that has all of the physical and chemical properties of that substance.
The sum of the weights of the individual atoms that make up the molecule.
A state of matter in which the particles are far apart, fast-moving and not organised in any particular way.
A homogeneous mixture of one or more solutes dissolved in a solvent.
The total number of protons and neutrons in an atom.
An unstable form of a chemical element that releases radiation as it breaks down and becomes more stable.
A unit of concentration expressed as the number of moles of dissolved solute per liter of solution.
Subatomic particles with a positive electrical charge.
A substance made from two or more different elements that have been chemically joined.
The total weight of an atom.
Regions surrounding the atomic nucleus containing a specific number of electrons.
states that atoms are most stable when their outermost shell is filled with 8 electrons.
The smallest part of a substance that cannot be broken down chemically.
Subatomic particle with a neutral charge.
A form of electromagnetic radiation similar to X-rays emitted from an excited nucleus.
Negatively charged ions.
A chemical substance that cannot be broken down into other substances by chemical reactions.
Any substance, usually liquid, which is capable of dissolving one or several substances, thus creating a solution.

Chemistry comes alive 2024-09-12

Across

chemical reaction where a compound breaks down unto simpler substances(36)
ability of antibodies to block sites on bacteria(40)
reactant molecules change partners(36)
dissolve in fats but not water(43)
region around nucleus(26)
acts as an electrolyte(39)
smallest unit resulting from the chemical bonding of two or more atoms(28)
the dissolving medium(29)
ability to remove a proton from weak acid(41)
common waste product of protein breakdown(40)
large molecules made by bonding(42)
specific degree of hotness or coldness in the body(37)
gives off hydrogen ions in water and form salt(39)
substance that enhances the action of an enzyme(52)
gives the total number of atoms in each element(36)
shell outermost energy level(31)
ability to do work(24)
basic building block of nucleic acid(53)
substance being dissolved(29)
the unit is amino acid(47)
changes the rate of chemical reaction leaving permanent change(38)

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lipoids and protein-based substances that transport fatty acid(46)
amount of substance in a mixture(37)
no net electric charge(42)
study of biology and application of chemistry(38)
one or more solutes in solvent(29)
chemical change that involves transfer of electrons or oxygen among atoms(36)
isotopes that are unstable(28)
hydrophilic head, glycerol molecule, two hydrophobic fatty acid tail(47)
acquires a net – charge(32)
two poles of charge(34)
large particle size (lotions, muddy water)(30)
does not fully dissociate into ion solutions(41)
acquires a net + charge(32)
when + and – charge is lost(32)
2 or more different kinds of atoms that binds(28)
acid largest molecule in the body which has two major classes, RNA and DNA(53)
surface on which an organism grows(52)
helps maintain the pH of a solution(41)
most abundant compound in the body(38)
bond when atom share electrons(32)
anything that takes up space(24)
2 or more structural variations(27)
composed of 2 or more components physically intermixed(29)
proton donor in water(39)
bond transfer from one atom to the next(32)
element with the symbol O(26)
equal to atomic weight(29)
composed of more or less identical particles(25)
dispersed or suspended particles(30)

50 Clues: ability to do work(24) • two poles of charge(34) • region around nucleus(26) • the dissolving medium(29) • proton donor in water(39) • no net electric charge(42) • acts as an electrolyte(39) • equal to atomic weight(29) • the unit is amino acid(47) • acquires a net – charge(32) • acquires a net + charge(32) • element with the symbol O(26) • substance being dissolved(29) • ...

Chemistry comes alive 2024-09-13

Across

Energy directly involved in moving matter(pg24)
Heterogenous mixtures also called emulsions (pg30)
capacity or ability to do work or put matter into motion (pg24)
Energy in action (pg24)
The key to chemical reactivity (pg31)
Energy that results from movement of charges particles. (pg24)
Net positive charge (pg32)
Modified triglycerides. (pg47)
Component of protein and nucleic acids (genetic material)(pg26)
Identical particles or building blocks (pg25)
Polymers of simple sugars linked together by dehydration synthesis (pg43)
Happens when acids and bases are mixed (pg40)
Substance on which enzymes acts (pg52)
Energy that travels in waves. (pg24)
Substances composed of 2 or more components physically intermixed (pg29)
Energy absorbing reaction containing more potential energy in their chemical bonds than did the reactions (pg37)
Net negative charge. (pg32)
State of matter that has definite volume, but conform to the shape of its container
Compact, spherical protein that have at least tertiary structure (pg50)
Double sugar (pg43)
Resist abrupt and large swings in the pH of the body fluids by releasing hydrogen ions when pH begins to rise and by binding hydrogen when pH drops (pg41)
Heavy unstable isotopes (pg28)
Reaction that releases energy (pg 37)
Structural basis for manufacture of all body steroids (pg46)
Group of molecules that includes sugars and starches. (pg43)
Component of all organic molecules, As an ion (proton). It influences the pH of the body fluids. (pg26)
Homogenous mixtures of components that may be solids, liquids or gases (pg 29)
Take up hydrogen ions in detectable amounts (pg39)
Neutral fats (pg46)

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Biological catalysts (pg38)
Layers formed by water molecules (pg38)
type of energy stored in the bonds of chemical substances (pg24)
Substances that increase the rate of chemical reaction without themselves becoming chemically changed o part of the product (pg38)
Formed when 2 or more molecules are combined.
Stored/ inactive energy that has capability to do work. (pg24)
Heterogenous mixtures with large, often viable solutes that tend to settle out pg30
Simple sugars (pg43)
Fatty acid that contains on or more double bonds between carbon atoms (pg46)
Element need to make functional thyroid hormones.
Protein that is extended and strand-like (pg50)
Insoluble in water but readily dissolve in organic solvents (pg43)
Unique substances that cannot be broken down into simpler substances by ordinary chemical methods (pg25)
anything that occupies space and has mass (pg24)
Substance that releases hydrogen ions in detectable amounts (pg39)
The study of chemical composition and reactions of living matter (pg38)
Most abundant and important organic compound in living cells (pg38)
Lipid and protein- based substances that transport fatty acid and cholesterol in the blood stream (pg46)
Chainlike molecules made of many similar or repeating units (pg42)
Flat molecules made of 4 interlocking hydrocarbon rings (pg47)
Component of proteins, particularly muscle proteins.
Reaction that occurs when molecule is broken down into smaller molecules or its constituent atoms (pg36)

51 Clues: Double sugar (pg43) • Neutral fats (pg46) • Simple sugars (pg43) • Energy in action (pg24) • Net positive charge (pg32) • Biological catalysts (pg38) • Net negative charge. (pg32) • Modified triglycerides. (pg47) • Heavy unstable isotopes (pg28) • Energy that travels in waves. (pg24) • The key to chemical reactivity (pg31) • Reaction that releases energy (pg 37) • ...

Chemistry U3 Vocab 2024-09-17

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double bond
hardness
heat absorbed when a liquid vaporizes
dissociate
molecular polarity
covalent network
amount of energy added to a molecule of solid at constant pressure to turn it directly into a gas
lone pairs
alloy
crystallattices
coulombic attraction
temporary dipole
dipole
pressure vapor pressure
triple bond
bonding site
latticeenergy
covalent bond
interparticle forces
dipole arrow
ionize
electron domain
partial charge

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the point when material changes from solid to liquid
octet rule
symmetric
luster
temperature when liquid is converted into vapour
conductivity thermal conductivity
vsepr
polarity bond polarity
malleability
polar
ionic bond
ductility
asymmetric
sigma bond
pi bonds
induced dipole
polarizable
lewis structure
intermolecular forces
conductivity electrical conductivity
molecular geometry
polar nonpolar
single bond
polarity

47 Clues: vsepr • polar • alloy • luster • dipole • ionize • hardness • pi bonds • polarity • symmetric • ductility • octet rule • dissociate • ionic bond • lone pairs • asymmetric • sigma bond • double bond • polarizable • triple bond • single bond • malleability • bonding site • dipole arrow • latticeenergy • covalent bond • induced dipole • polar nonpolar • partial charge • crystallattices • lewis structure • electron domain • covalent network • ...

Chapter 2 Chemistry 2025-01-31

Across

#1 energy source for cells
Strongest chemical bond (plural)
Pure form of matter
An atom's ability to attract electrons in a bond
Number of protons
The capacity to do work
Middle chemical bond (plural)
Same element, different number of neutrons
Surround nucleas and has negative charge
stored energy in electrons

Down

Positive charge
Building blocks of nucleic acids
A liquid that dissolves other substances
energy in motion
Weakest chemical bond (plural)
Composed of protiens (plural)
Building block of living things
Attractive forces holding atoms together
Anything that has mass and occupies space
Neutral charge
Number of proton & neutrons
Unstable isotopes

22 Clues: Neutral charge • Positive charge • energy in motion • Number of protons • Unstable isotopes • Pure form of matter • The capacity to do work • #1 energy source for cells • stored energy in electrons • Number of proton & neutrons • Composed of protiens (plural) • Middle chemical bond (plural) • Weakest chemical bond (plural) • Building block of living things • ...

Chemistry Crossword Puzzle 2025-03-25

Across

the person who discovered the proton
an atom with a positive charge
tells how large an element is
a word that means a compound is dissolved in water
this person said that atoms combine in whole number ratios
involves a transfer of electrons
anions are formed by electrons being___
elements in group 2
an atom with a negative charge
atoms will gain or lose enough electrons to become isoelectronic with a noble gas
involves a sharing of electrons

Down

the person who gave the atom its name
indicates the smallest whole number ratio of positive to negative ions within an ionic compound
atomic mass is an average of the elements___
the elements in group 17
electrons are shared equally between two atoms
bonds where the electron are shared unequally between atoms
electrons are arranged in this around the nucleus
a way to show the number of valence electrons in an atom
the electrons in an atom's outermost shell is called___

20 Clues: elements in group 2 • the elements in group 17 • tells how large an element is • an atom with a positive charge • an atom with a negative charge • involves a sharing of electrons • involves a transfer of electrons • the person who discovered the proton • the person who gave the atom its name • anions are formed by electrons being___ • ...

Organic Chemistry Fun! 2025-02-10

Across

it is the chemical blueprint for our cells and is the genetic code of life
it is found in table sugar, candy, and many tasty Valentine's day treats!
is the chemical that gives blueberries their color
it is a simple 6 ringed sugar made by plants during photosynthesis
it is the chemical that gives lemons their sour flavor
is the chemical pigment in leaves that makes them colorful!
it is the chemical that makes people cry when cutting onions
it is the energy molecule made by the mitochondria in our cells
it is the chemical in coffee that is a stimulant and also found in chocolate and soda
it is the chemical found in plant fertilizer and also urine
is the chemical found in fuel used for barbeques
it is the chemical made in cow farts!

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it is the chemical that makes bacon taste so good!
it is the chemical found in nail polish remover
it is the chemical that makes soap so foamy & found in shampoo
it is the chemical in our cotton clothes, soft yet strong and made by plants
it is the chemical that makes chili peppers so spicy
it is a chemical that makes aches and fevers go away
they are the chemicals in milk, eggs, and meat to make our muscles stronger
it is the chemical that gives carrots their color and found in pumpkins & many fruits

20 Clues: it is the chemical made in cow farts! • it is the chemical found in nail polish remover • is the chemical found in fuel used for barbeques • it is the chemical that makes bacon taste so good! • is the chemical that gives blueberries their color • it is the chemical that makes chili peppers so spicy • it is a chemical that makes aches and fevers go away • ...

Chemistry Comes Alive 2024-09-13

Across

Number, Number of protons in an atom.
Bonds, Formed when electrons are transferred between atoms.
Composed of linked monosaccharides.
Compounds, Lack carbon.
Bonds, Formed when atoms share electrons.
Negatively charged ion.
Produces hydroxide ions (OH⁻) in water.
Substances formed by a chemical reaction.
Positively charged ion.
A substance that can't be broken down chemically.
The force gravity exerts on an object.
Weight, Average mass of all isotopes of an element.
Energy (PE), Energy due to an object's position.
Strong intermolecular attraction between particles.
Positively charged particle in the nucleus.
Repeating unit of a polymer.
Insoluble in water, dissolve in lipids/organic solvents.
Atomic mass minus atomic number.
Takes the shape of its container.
Energy, Travels in waves.
The study of matter and its changes.
Two or more atoms held by chemical forces.
Starting materials in a chemical reaction.
Basic unit of nucleic acids.
Universal energy compound of cells.

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Produces hydrogen ions (H⁺) in water.
The amount of matter in an object.
Substance with two or more elements chemically bonded in fixed proportions.
Region around the nucleus where electrons are likely found.
Combination of substances retaining their identities.
Compounds, Contain carbon.
Inorganic compound making up 60-80% of cell volume.
Unstable isotopes that decay spontaneously.
Ionic compound without H⁺ or hydroxyl ions.
The basic unit of an element.
Negatively charged particle equal in magnitude to the proton's charge.
Number, Total number of protons and neutrons in an atom.
Mixture with non-uniform composition.
Rays, High-energy radiation.
Energy (KE), Energy of a moving object.
Written above the normal line.
The capacity to do work.
Biological catalyst that speeds up reactions by lowering activation energy.
Single-stranded nucleic acid.
The substance in larger quantity in a solution.
Has no definite shape or volume.
Mixture with uniform composition.
The substance in smaller quantity in a solution.
Atoms with the same atomic number but different mass numbers.
Dense core of an atom.

50 Clues: Dense core of an atom. • Compounds, Lack carbon. • Negatively charged ion. • Positively charged ion. • The capacity to do work. • Energy, Travels in waves. • Compounds, Contain carbon. • Rays, High-energy radiation. • Repeating unit of a polymer. • Basic unit of nucleic acids. • The basic unit of an element. • Single-stranded nucleic acid. • Written above the normal line. • ...

Chemistry Comes Alive 2024-09-13

Across

Number, Total number of protons and neutrons in an atom.
Unstable isotopes that decay spontaneously.
Negatively charged particle equal in magnitude to the proton's charge.
The capacity to do work.
Universal energy compound of cells.
Bonds, Formed when electrons are transferred between atoms.
Energy (PE), Energy due to an object's position.
Has no definite shape or volume.
Mixture with non-uniform composition.
Ionic compound without H⁺ or hydroxyl ions.
The substance in larger quantity in a solution.
Substance with two or more elements chemically bonded in fixed proportions.
Combination of substances retaining their identities.
Produces hydrogen ions (H⁺) in water.
The substance in smaller quantity in a solution.
Starting materials in a chemical reaction.
Number, Number of protons in an atom.
The amount of matter in an object.
Composed of linked monosaccharides.
Positively charged ion.
Weight, Average mass of all isotopes of an element.
Basic unit of nucleic acids.
Strong intermolecular attraction between particles.
Insoluble in water, dissolve in lipids/organic solvents.

Down

Biological catalyst that speeds up reactions by lowering activation energy.
Repeating unit of a polymer.
Written above the normal line.
Atomic mass minus atomic number.
Energy (KE), Energy of a moving object.
Region around the nucleus where electrons are likely found.
Inorganic compound making up 60-80% of cell volume.
Dense core of an atom.
Bonds, Formed when atoms share electrons.
Atoms with the same atomic number but different mass numbers.
The study of matter and its changes.
Positively charged particle in the nucleus.
Produces hydroxide ions (OH⁻) in water.
Single-stranded nucleic acid.
Negatively charged ion.
The force gravity exerts on an object.
Substances formed by a chemical reaction.
Energy, Travels in waves.
Rays, High-energy radiation.
Compounds, Lack carbon.
A substance that can't be broken down chemically.
Compounds, Contain carbon.
Two or more atoms held by chemical forces.
Takes the shape of its container.
The basic unit of an element.

49 Clues: Dense core of an atom. • Negatively charged ion. • Compounds, Lack carbon. • Positively charged ion. • The capacity to do work. • Energy, Travels in waves. • Compounds, Contain carbon. • Repeating unit of a polymer. • Rays, High-energy radiation. • Basic unit of nucleic acids. • Single-stranded nucleic acid. • The basic unit of an element. • Written above the normal line. • ...

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)

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- 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

11SCX Chemistry Crossword crossword puzzle

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

Chemistry Glossary Terms crossword puzzle

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

Crossword for Chemistry crossword puzzle

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

Highschool Chemistry Test crossword puzzle

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

Chemistry Elements Crossword crossword puzzle

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

Chemistry Crossword Challenge crossword puzzle

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) • ...

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