chemistry Crossword Puzzles

Basic Chemistry Puzzle 2024-09-13

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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.

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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. • ...

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

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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

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#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

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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

Chemistry Crossword Puzzle crossword puzzle

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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

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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

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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

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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

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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.

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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

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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

Chemistry Project Crossword crossword puzzle

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

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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

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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

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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

Chemistry Vocab Crossword crossword puzzle

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

Chemistry Lab Equipment crossword puzzle

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 Crossword Puzzle 2026-03-17

Across

The atomic number is the measure of ___ .
A ___covalent bond has an unequal sharing of electrons between the two atoms.
Found in shells orbiting nucleus, with a negative charge.
A chemical ___expresses a chemical composition of a substance.
The smallest unit of an element.
The overall charge of an atom.
A substance that cannot be broken down into simpler substances by ordinary chemical means.
This type of reaction can reverse reactants and products in both directions.
Hydrogen bonds have a _____attractive force.
Atomic ___ is the sum of the number of protons and neutrons.
This type of reaction exchanges components.
Atoms that form a bond due to opposing charges are connected by an ___ bond.
Chemical symbol is Na.
Nonpolar molecules are ___(do not mix well with water).
Found in the nucleus of an atom, with no charge.
The outermost electron shell.
Anything that occupies space.
Radioisotopes can be used in the treatment of ___ .
A ____ formula shows how the atoms are linked together.

Down

Substance formed by atoms from two or more elements(can have ionic or covalent bond).
Substance formed by two or more atoms bonded together by covalent bonds only.
Atom of the same element with a different number of neutrons.
Polar molecules are ___ (mix well with water).
The number allowed in the first shell.
If the valence shell is not full, the atom is considered ___ .
Ion with a negative charge.
This type of reaction breaks down bonds.
This type of reaction forms a new bond.
Found in the nucleus of an atom, with a positive charge.
Ion with a positive charge.
The typical number in a valence shell (octet rule).
Scientific study of matter and the interaction of matter.
Atoms form molecules by sharing electrons are joined with a ___bond.
The chemical ____ is a shorthand for referring to an element or atom of an element.
Nonpolar covalent bonds shared electrons spend ___time revolving between the two atoms.
Atom with a net charge due to the loss or gain of an electron.

36 Clues: Chemical symbol is Na. • Ion with a negative charge. • Ion with a positive charge. • The outermost electron shell. • Anything that occupies space. • The overall charge of an atom. • The smallest unit of an element. • The number allowed in the first shell. • This type of reaction forms a new bond. • This type of reaction breaks down bonds. • ...

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

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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.

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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.

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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 of Digestion 2026-01-21

Across

Final section of small intestine absorbing vitamins and bile salts.
Pancreatic enzyme that breaks down fats.
Type of pancreatic cell that produces digestive enzymes.
First segment of small intestine receiving pancreatic enzymes.
To release substances like enzymes and bicarbonate.
Organ that produces digestive enzymes and bicarbonate.
Finger-like projections increasing surface area in small intestine.
Pancreatic enzyme that breaks down carbohydrates.
Muscular contractions moving food through intestines.
Enzymes from the pancreas that break down proteins.
What bicarbonate does to stomach acid.

Down

Alkaline substance from pancreas that neutralises stomach acid.
Biological catalysts produced by the pancreas.
Partially digested food entering duodenum from stomach.
Stomach content neutralised by pancreatic bicarbonate.
Term for glandular secretion via ducts (like pancreatic enzymes).
Middle part of small intestine where most nutrients are absorbed.
Process aided by pancreatic enzymes in the duodenum.
Primary function of jejunum and ileum.
Tube connecting pancreas to duodenum.

20 Clues: Tube connecting pancreas to duodenum. • Primary function of jejunum and ileum. • What bicarbonate does to stomach acid. • Pancreatic enzyme that breaks down fats. • Biological catalysts produced by the pancreas. • Pancreatic enzyme that breaks down carbohydrates. • To release substances like enzymes and bicarbonate. • Enzymes from the pancreas that break down proteins. • ...

Chemistry Terms Crossword 2026-01-14

Chemistry Terms Crossword crossword puzzle

Across

_____ Electrons: Electrons in the outermost orbital of the atom
Different types of atoms, bonded together
Made up of two or more substances
A state of matter where particles resist some forces of attraction and can flow around each other
A state of matter where particles move very quickly, overcoming attractive forces
__________ metals (Two Words: 8,5): Reactive metals, but not as strongly as Group 1
Multiple atoms bound together
_____ substance: A substance that is made up of only one type of particle
A neutral subatomic particle
A powder that forms when two liquids are mixed together
The process of turning a solid into a liquid
Very reactive non-metals
_____ change: the chemical composition of the substance has not changed
_____ Metals: Very strongly reactive metals
_____ Number: an identifying number that is unique for each element
_____ Mixture: A mixture that is non-uniform - you can each type of substance
Elements that are dull, brittle, and poor conductors of electricity

Down

A row on the periodic table
The process of turning a gas into a liquid
_____ Change: the chemical composition of the substance has changed
The same type of atom, either separate or bonded together
A negatively charged subatomic particle
The process of turning a liquid into a solid
A column on the periodic table
A state of matter characterized by low-particle movement
_____ Mixture: A mixture that appears uniform in composition; A solution
The process of turning a gas into a solid
The process of turning a liquid into a gas
______ property: A property describing the substance by itself
_______ metals: Elements in the middle of the Periodic Table with low-reactivity
_____ Number: Protons + Neutrons
The process of turning a solid into a gas
Elements with properties of metals and non-metals
Elements that are shiny, malleable, and conduct electricity
A positively charged subatomic particle
______ property: A property describing the ability for the substance to interact with something else
_____ Gases: Non-reactive gasses

37 Clues: Very reactive non-metals • A row on the periodic table • A neutral subatomic particle • Multiple atoms bound together • A column on the periodic table • _____ Number: Protons + Neutrons • _____ Gases: Non-reactive gasses • Made up of two or more substances • A negatively charged subatomic particle • A positively charged subatomic particle • ...

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

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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) • ...

Chemistry Elements Crossword 2026-02-03

Across

Used to make steel.
Used to coat steel to prevent rust.
A metal used in coins.
Used in electrical wires.
The only metal that is liquid at room temperature.
Used in computer chips and electronics.
Makes up about 78% of the air we breathe.
Burns with a bright white light.
Used to keep swimming pools clean.

Down

The lightest element, makes up most of the sun.
Precious metal, symbol comes from "Argentum".
Used to make soda cans and foil.
To start a fire, found in diamonds and coal.
Good for strong bones and teeth.
Combined with Chlorine to make table salt.
Makes balloons float, makes your voice high.
Used in bright glowing signs.
Found in bananas
Humans need to breathe this to survive.
A shiny expensive color yellow used in money.

20 Clues: Found in bananas • Used to make steel. • A metal used in coins. • Used in electrical wires. • Used in bright glowing signs. • Used to make soda cans and foil. • Good for strong bones and teeth. • Burns with a bright white light. • Used to keep swimming pools clean. • Used to coat steel to prevent rust. • Used in computer chips and electronics. • ...

Chemistry Word Puzzle 2026-02-03

Across

another name for salt.
makes up a little less than 1% of the atmosphere.
shiny and is why stainless steel is stainless.
most abundant element in the universe.
strengthens the bones.
used to galvanize steel.
part of what you breathe.
gas used in glowing signs.
in most batteries.
gas that is used to make balloons float.

Down

a type of metal
most electronegative element.
foil.
used to disinfect water.
in bananas.
glows in the dark and is important to live
also called the basis of life
5 cents.
78% of the Earth's atmosphere.
strong and lighter than steel.
what is used to write with a pencil.

21 Clues: foil. • 5 cents. • in bananas. • a type of metal • in most batteries. • another name for salt. • strengthens the bones. • used to disinfect water. • used to galvanize steel. • part of what you breathe. • gas used in glowing signs. • most electronegative element. • also called the basis of life • 78% of the Earth's atmosphere. • strong and lighter than steel. • ...

ADVANCED CHEMISTRY 9 2026-02-26

Across

Describes the properties of an electron in an atom.
International system for naming chemical compounds.
Related to carbon-containing compounds.
Hydrocarbons that contain at least one C≡C triple bond.
Negatively charged subatomic particle.
Organic compound formed from an acid and an alcohol.
Organic compound containing the –COOH group.
Region where electrons are found around the nucleus.
Saturated hydrocarbon arranged in a ring.
Carbon chains that form closed rings.
Organic compound that contains the –OH functional group.
Hydrocarbons that contain at least one C=C double bond.
Neutral particle found in the nucleus.
Shows the actual number of atoms in a molecule.
Bond formed by transfer of electrons.
Compound made only of carbon and hydrogen.

Down

Bond formed by sharing of electrons.
The simplest alkane (CH₄).
Ability of atoms to bond with themselves.
Alkane with four carbon atoms.
Electron found in the outermost shell of an atom.
Cyclic compounds that are not aromatic.
Organic compounds with a carbonyl group inside the chain.
Organic compound with an oxygen linking two carbon chains.
Compound mainly made of carbon bonded to other elements.
Force that holds atoms together in a compound.
Organic compounds with a terminal carbonyl group (–CHO).
Saturated hydrocarbons with only single bonds.
Atoms tend to have eight electrons in their outer shell.
Atom or group that replaces hydrogen in a chain.
Aromatic hydrocarbon with a ring structure.
Organic compounds that are not aromatic.
Having unequal sharing of electrons.
Group obtained from an alkane by removing one hydrogen.
Positively charged particle found in the nucleus.

35 Clues: The simplest alkane (CH₄). • Alkane with four carbon atoms. • Bond formed by sharing of electrons. • Having unequal sharing of electrons. • Carbon chains that form closed rings. • Bond formed by transfer of electrons. • Negatively charged subatomic particle. • Neutral particle found in the nucleus. • Cyclic compounds that are not aromatic. • ...

Chemistry and Matter 2026-04-17

Across

— A substance with a pH of 7
— A state of matter with no fixed shape or volume
Change — A change that does not form a new substance
— Changing from liquid to solid
— The substance that does the dissolving
— Gas changing to liquid
— A state of matter with a fixed shape and volume
— A combination of substances that are not chemically bonded
— A substance with a pH less than 7
— The smallest unit of an element
— Anything that has mass and takes up space
— Two or more atoms bonded together
— A particle with no charge in the nucleus
— The substance that is dissolved

Down

— Liquid changing to gas at the surface
— A state of matter with a fixed volume but no fixed shape
— A mixture where one substance is dissolved in another
— Changing from liquid to gas
— The amount of matter in an object
— A process where substances change into new substances
Change — A change that forms a new substance
— A substance with a pH greater than 7
— How much mass is in a given volume
— The amount of space something takes up
— A substance made of two or more elements chemically combined
— A positively charged particle in the nucleus
— Changing from solid to liquid
— A negatively charged particle outside the nucleus
— A pure substance made of one kind of atom

29 Clues: — Gas changing to liquid • — A substance with a pH of 7 • — Changing from liquid to gas • — Changing from liquid to solid • — Changing from solid to liquid • — The smallest unit of an element • — The substance that is dissolved • — The amount of matter in an object • — A substance with a pH less than 7 • — Two or more atoms bonded together • — How much mass is in a given volume • ...

Science 10 Chemistry 2026-02-16

Across

Compound formed between a metal and non-metal
Name of this polyatomic ion: NO₃⁻
Particle found in the nucleus with positive charge
Elements on the right side of the periodic table
Prefix meaning “five”
Scientist who proposed the plum pudding model
Ending used for the second element in a binary compound
Horizontal row on the periodic table
Type of bond formed by sharing electrons
particle with a negative charge
Compound made of non-metals

Down

Positively charged ion
Negatively charged ion
Electrons in the outer energy level
The maximum number of electrons in the first energy level
This equals the total number of protons and neutrons
If a metal has more than one charge, you must include this
Scientist who discovered the nucleus using the gold foil experiment
Neutral particle in the nucleus
Chart used to organize elements
Number of valence electrons in Group 1 elements
Vertical row on the periodic table
Prefix meaning “three”

23 Clues: Prefix meaning “five” • Positively charged ion • Negatively charged ion • Prefix meaning “three” • Compound made of non-metals • Neutral particle in the nucleus • Chart used to organize elements • particle with a negative charge • Name of this polyatomic ion: NO₃⁻ • Vertical row on the periodic table • Electrons in the outer energy level • Horizontal row on the periodic table • ...

Chemistry Bonus Assignment 2026-04-29

Chemistry Bonus Assignment crossword puzzle

Across

the change in heat of the products from the reactants
energy minimum amount of energy applied to a system to start chemical change
substance that speeds up chemical reaction
the pressure exerted on the surface of the earth by the weight of the gases in the earth's atmosphere
the random movement of gas molecules from an area of higher concentration to lower concentration
a compound that is either an acid or a base
transition from gas to solid
when the concentration of a solution can be determined
when a base accepts a hydrogen ion from an acid
ATM pressure is measured with a _
the volume of gas is inversely proportional to the pressure if temperature is held constant

Down

gas gas whose particles obey all of the assumptions of the kinetic molecular theory under all temperature and pressure conditions
a solid produced during a chemical reaction
a compound/element combines with O2 to form an oxide and sometimes H2O
temperature and pressure an agreed upon set of standards used in gas equations
the volume of a gas at constant pressure is directly proportional to the kelvin temperature
where all three states of matter coexist
transition from solid to gas
when an acid donated a hydrogen ion to a base
diffusion through tiny opening

20 Clues: transition from solid to gas • transition from gas to solid • diffusion through tiny opening • ATM pressure is measured with a _ • where all three states of matter coexist • substance that speeds up chemical reaction • a solid produced during a chemical reaction • a compound that is either an acid or a base • when an acid donated a hydrogen ion to a base • ...

Year 7 Chemistry 2026-06-25

Across

Steam
Solution
Water
Dilute
Floatation
Mixture
Ice
Liquid
Non-Newtonian
Solute
Deposition
Gas
Sediment
Solvent
Insoluble
Evaporation
Immiscible
Homogeneous
Filter
PureSubstance

Down

Sublimation
Magnetic
Vaporisation
Decanting
Filtration
Chromatography
Freezing
Volume
Saturated
Concentrated
Dissolved
Melting
Condensation
Suspension
Solid
Flow
Heterogeneous
Viscosity
Centrifuge
Particle
Soluble

41 Clues: Ice • Gas • Flow • Steam • Water • Solid • Volume • Dilute • Liquid • Solute • Filter • Melting • Mixture • Solvent • Soluble • Magnetic • Freezing • Solution • Sediment • Particle • Decanting • Saturated • Dissolved • Viscosity • Insoluble • Filtration • Floatation • Deposition • Suspension • Immiscible • Centrifuge • Sublimation • Evaporation • Homogeneous • Vaporisation • Concentrated • Condensation • Non-Newtonian • Heterogeneous • PureSubstance • Chromatography

Environmental chemistry revision 2026-07-16

Environmental chemistry revision crossword puzzle

Across

Insoluble solid formed when soap is used in hard water
Solution that turns milky with carbon dioxide
Final stage of water treatment that kills bacteria
Long-term changes in weather patterns such as temperature and rainfall
Property of water that stops soap forming a lather
Increase in Earth’s average temperature due to greenhouse gases
Most abundant gas in air at 78 percent
Plant nutrients required in small amounts
Loss of colour in corals when they expel zooxanthellae
Plant nutrients required in large amounts
Harmful substance released into air or water
Gas manufactured by the Haber process
Natural effect that traps heat in the atmosphere
Protective layer in the stratosphere that absorbs ultraviolet light

Down

Substance added to drinking water to reduce tooth decay
Solid material that settles during sewage treatment
Nitrogen fertiliser containing forty-seven percent nitrogen
First stage of drinking-water treatment that clumps dirt
Process where iron combines with oxygen and water
Stage of water treatment that uses layers of sand and gravel
Lowering of ocean pH caused by dissolved carbon dioxide
Gas that re-ignites a glowing wooden splint
Process of turning air into a liquid by cooling and compressing
Name of the industrial process that produces ammonia
Liquid released from a sewage treatment plant
Type of factor that slows plant growth when in short supply
Fractional method used to separate liquefied air
Noble gas making up about one percent of air

28 Clues: Gas manufactured by the Haber process • Most abundant gas in air at 78 percent • Plant nutrients required in small amounts • Plant nutrients required in large amounts • Gas that re-ignites a glowing wooden splint • Harmful substance released into air or water • Noble gas making up about one percent of air • Solution that turns milky with carbon dioxide • ...

Marc Cruz Camacho B2 02/25/21 Periodic Table of Elements 2021-02-26

Marc Cruz Camacho B2 02/25/21 Periodic Table of Elements crossword puzzle

Across

properties that becomes clear during or after a chemical reaction.
helps indicate elemenets
Periodic table of
help scientists to make stuff such as vaccines
scientist trained the study of chemistry
vertical column

Down

chemical reacting
person who developed the PTOE
chemical groups
uses periodic table of elements
horizontal row
number of protons in the nucleus
a abbreviation
Protons and Neutrons

14 Clues: horizontal row • a abbreviation • chemical groups • vertical column • chemical reacting • Periodic table of • Protons and Neutrons • helps indicate elemenets • person who developed the PTOE • uses periodic table of elements • number of protons in the nucleus • scientist trained the study of chemistry • help scientists to make stuff such as vaccines • ...

Birthday Present 2021-05-01

Across

Merchant Sir
India’s Next Top Model
Tera Bhai Kaalu
Goes awesome with Idli (Omm... Patil)
Tube Light in Pinnacle

Down

Sahil sir(shaitaan ka sala)
Cause of breaking friendships urf (fiends waale)
Place where you go broke (party)
Your Favourite Brand
Apne Jiju
Apni Bhabhi ya Bobby
Chemistry in South-India
Beauty Cream urf AG
Tere Pati ke favourite website

14 Clues: Apne Jiju • Merchant Sir • Tera Bhai Kaalu • Beauty Cream urf AG • Your Favourite Brand • Apni Bhabhi ya Bobby • India’s Next Top Model • Tube Light in Pinnacle • Chemistry in South-India • Sahil sir(shaitaan ka sala) • Tere Pati ke favourite website • Place where you go broke (party) • Goes awesome with Idli (Omm... Patil) • Cause of breaking friendships urf (fiends waale)

For Sydney 2025-06-08

Across

Smart Girls!
Lots of tea was involved
Teacher who tried to not let us have food
Another failed bake
Common Chemistry Treat (Cherry, Cinnamon, etc.)
Poof Bang materials
One class we shared
If you were a mythical creature

Down

Signature Restaurant
Chem book margins
This puzzle / in class hobby
Favorite Sour Patch Kid Color
Cookie we failed to make
Movie night

14 Clues: Movie night • Smart Girls! • Chem book margins • Another failed bake • Poof Bang materials • One class we shared • Signature Restaurant • Lots of tea was involved • Cookie we failed to make • This puzzle / in class hobby • Favorite Sour Patch Kid Color • If you were a mythical creature • Teacher who tried to not let us have food • Common Chemistry Treat (Cherry, Cinnamon, etc.)

Fireworks 2025-12-12

Across

Subject about things in motion
angles in the air
a physical combination of two or more substances
produces yellow and gold colors
oxidizer in fireworks
we all must protect
colorful blast in the sky

Down

makes fireworks whistle
makes fireworks green
gives up oxygen
firework engineers
subject about chemicals
powder used to make fireworks
the most important thing

14 Clues: gives up oxygen • angles in the air • firework engineers • we all must protect • makes fireworks green • oxidizer in fireworks • makes fireworks whistle • subject about chemicals • the most important thing • colorful blast in the sky • powder used to make fireworks • Subject about things in motion • produces yellow and gold colors • a physical combination of two or more substances

ENLIGHTENMENT 2024-04-10

Across

Being different
Political system
Period in history which revived classical learning
Holy place

Down

Study of ideas and beliefs
Being modern
Type of government
Feeling of doubt
Chemistry,Biology

9 Clues: Holy place • Being modern • Being different • Feeling of doubt • Political system • Chemistry,Biology • Type of government • Study of ideas and beliefs • Period in history which revived classical learning

NUCLEAR CHEMISTRY-SCIENTISTS! 2020-02-25

NUCLEAR CHEMISTRY-SCIENTISTS! crossword puzzle

Across

Coined the term "Radioactivity"
Father of "Nuclear Chemistry"
Father of "Nuclear Physics"
Compton Effect

Down

Evidence of Radioactivity with Marie Currie
X-ray
Discovered neutron
Manhattan Project
Cosmic Rays

9 Clues: X-ray • Cosmic Rays • Compton Effect • Manhattan Project • Discovered neutron • Father of "Nuclear Physics" • Father of "Nuclear Chemistry" • Coined the term "Radioactivity" • Evidence of Radioactivity with Marie Currie

C 2024-03-06

Across

truthful
substances
twice as……
a specialist in chemistry

Down

event occurs
a branch of knowledge
a repetition of sound
to annoy

8 Clues: truthful • to annoy • substances • twice as…… • event occurs • a branch of knowledge • a repetition of sound • a specialist in chemistry

Majoody 2020-09-15

Across

Denis Rodman has more of these then Michael Jordan
its in Thuwal
british valedictorian
we do this in al-Hada
something Majoody struggles to make
after the nukes
672 minus a dozen

Down

home of the celtics
after ball we go ..
elements and compounds
looks nice when chiselled
a nice hyundai

12 Clues: its in Thuwal • a nice hyundai • after the nukes • 672 minus a dozen • home of the celtics • after ball we go .. • british valedictorian • we do this in al-Hada • elements and compounds • looks nice when chiselled • something Majoody struggles to make • Denis Rodman has more of these then Michael Jordan

Majoody 2020-09-15

Across

Denis Rodman has more of these then Michael Jordan.
It's in Thuwal.
British valedictorian.
We do this in al-Hada.
something Majoody struggles to make
After the nukes.
672 minus a dozen.

Down

home of the Celtics.
After ball we go ..
Elements and compounds.
Looks nice when chiselled.
A hyundai.

12 Clues: A hyundai. • It's in Thuwal. • After the nukes. • 672 minus a dozen. • After ball we go .. • home of the Celtics. • British valedictorian. • We do this in al-Hada. • Elements and compounds. • Looks nice when chiselled. • something Majoody struggles to make • Denis Rodman has more of these then Michael Jordan.

GENERAL CHEMISTRY 1 2021-09-08

Across

Weight/acceleration due to gravity.
Does not depend on the size or mass.
It has mass and volume.
Gas to liquid.
Reversible.
Depends on the size or mass.

Down

Irreversible.
Solid to gas.
Gas to solid.
The basic unit of matter.
It is the study of matter.
Solid, liquid and gas

12 Clues: Reversible. • Irreversible. • Solid to gas. • Gas to solid. • Gas to liquid. • Solid, liquid and gas • It has mass and volume. • The basic unit of matter. • It is the study of matter. • Depends on the size or mass. • Weight/acceleration due to gravity. • Does not depend on the size or mass.

Lab Week 2014 2014-02-12

Across

Chocolate, yellow or black
Instruments can't run without it
Some lab garbage
Right now
Not a type of TV
Round and round it goes
Component of blood

Down

Electrolytes done here
Can't live without it
Gets to the heart of the matter
Stop ther germ spread
A lab gift

12 Clues: Right now • A lab gift • Some lab garbage • Not a type of TV • Component of blood • Can't live without it • Stop ther germ spread • Electrolytes done here • Round and round it goes • Chocolate, yellow or black • Gets to the heart of the matter • Instruments can't run without it

History of Atoms 2025-01-13

Across

Proved the Existence of Neutrons
Played Soccer for University of Copenhagen
Man who Split the Atom
Father of Science
Father of Modern Chemistry
Court Reporter

Down

Made discovery at the age of 42
successful pianist
President of Royal Society
aided French soldiers during WW1
Loved Theater
Did work in Cosmology

12 Clues: Loved Theater • Court Reporter • Father of Science • successful pianist • Did work in Cosmology • Man who Split the Atom • President of Royal Society • Father of Modern Chemistry • Made discovery at the age of 42 • Proved the Existence of Neutrons • aided French soldiers during WW1 • Played Soccer for University of Copenhagen

Science 2022-11-04

Across

when the molecules have more than one type of atom.
Whenever atoms of the same type are grouped together.
a building block because they can be combined in many.
relating to chemistry, or the interactions of substances as studied in chemistry.
diverse in character or content
a metal made by combining two or more metallic elements, especially to give greater strength or resistance to corrosion

Down

a form of matter having constant chemical composition and characteristic properties. Some references add that chemical substance cannot be separated into its constituent elements by physical separation methods, i.e., without breaking chemical bonds.
whenever a type of atom is held together with chemical bonds.
when different elements are grouped together.
of the same or a similar kind or nature.

10 Clues: diverse in character or content • of the same or a similar kind or nature. • when different elements are grouped together. • when the molecules have more than one type of atom. • Whenever atoms of the same type are grouped together. • a building block because they can be combined in many. • whenever a type of atom is held together with chemical bonds. • ...

CARIRI's Crossword Puzzle 2024-10-21

CARIRI's Crossword Puzzle crossword puzzle

Across

CARIRI has three locations 1) St. Augustine 2) Macoya and __________
This CARIRI programme allows us to work with early stage entrepreneurs and SMEs to #BuildBetterBusinesses over a 3 month period.
First name of the Lab Manager for the Analytical Chemistry department
#14 under our Occupational Hygiene Services (OHS) ‘Current Services’: ____________ Assessments
CARIRI is a founding member of this organization that facilitates collaboration across borders and boundaries.

Down

Under our Industrial Materials Unit, our team provides state-of-the-art testing and quality assurance services to ensure that _____________ materials meet industry standards.
CARIRI’s Chairman Surname
This is an Instrumentation used by our Analytical Chemistry Department
CARIRI was established with the technical and financial assistance from the UNDP and _______
CARIRI is certified under this HSE management system.

10 Clues: CARIRI’s Chairman Surname • CARIRI is certified under this HSE management system. • CARIRI has three locations 1) St. Augustine 2) Macoya and __________ • First name of the Lab Manager for the Analytical Chemistry department • This is an Instrumentation used by our Analytical Chemistry Department • ...

vocab 2023-09-25

Across

expert in animals
expressing disbelif
playfully michievous way
independent

Down

trie dto get power
excess intrestin themself
experiencd
expert in chemistry

8 Clues: experiencd • independent • expert in animals • trie dto get power • expressing disbelif • expert in chemistry • playfully michievous way • excess intrestin themself

Document and text 2023-04-01

Across

广告
初学者
文章
生物，生物学

Down

高级的
化学
书
账单

8 Clues: 书 • 广告 • 化学 • 文章 • 账单 • 高级的 • 初学者 • 生物，生物学

Unit 1 Crossword 2024-11-01

Across

cover all aspects of water conservation and management
one of the three basic sciences, it is the science of living things
applied sciences that involve growth care and management of domestic livestock
the application of scientific principles and new technologies to agriculture
science and art involved in the cultivation, propagation, processing, and marketing of flowers, turf, vegetables, fruits, nuts and ornamental plants
refers to all the conditions, circumstances, and influences surrounding and affecting an organism or group of organisms
plants grown for their appearance or beauty
refers to the management of the genetic characteristics transmitted from one generation to another and its application to our needs

Down

last of the three basic sciences combination of biology and chemistry
means the growing and management of living things in water, such as fish or oysters
another basic science and studies substances
refers to commercial firms that have developed in support of agriculture
refers to the study of the properties and management of soil to grow plants
defined as the application of science to solve a problem
science of soil management and crops
science of insects

16 Clues: science of insects • science of soil management and crops • plants grown for their appearance or beauty • another basic science and studies substances • cover all aspects of water conservation and management • defined as the application of science to solve a problem • one of the three basic sciences, it is the science of living things • ...

Unit 1 Crossword 2024-11-01

Across

cover all aspects of water conservation and management
one of the three basic sciences, it is the science of living things
applied sciences that involve growth care and management of domestic livestock
the application of scientific principles and new technologies to agriculture
science and art involved in the cultivation, propagation, processing, and marketing of flowers, turf, vegetables, fruits, nuts and ornamental plants
refers to all the conditions, circumstances, and influences surrounding and affecting an organism or group of organisms
plants grown for their appearance or beauty
refers to the management of the genetic characteristics transmitted from one generation to another and its application to our needs

Down

last of the three basic sciences combination of biology and chemistry
means the growing and management of living things in water, such as fish or oysters
another basic science and studies substances
refers to commercial firms that have developed in support of agriculture
refers to the study of the properties and management of soil to grow plants
defined as the application of science to solve a problem
science of soil management and crops
science of insects

2021-2022 Paige and Ketaki 2022-05-09

2021-2022 Paige and Ketaki crossword puzzle

Across

body building and trips to the ap
throwback thursday
farts a lot
mamba mentality?

Down

bad grade songs
...harmony
we lost by 40 points....
your best friend
boss baby

9 Clues: boss baby • ...harmony • farts a lot • bad grade songs • your best friend • mamba mentality? • throwback thursday • we lost by 40 points.... • body building and trips to the ap

Organic Chemistry Crossword 2021-06-01

Organic Chemistry Crossword crossword puzzle

Across

What type of formula is this CH3-CH2-CH2-CH2-CH2-CH3
What type of organic oxygen compound has the general formula R-O-H and ending -ol
The substances of this type of isomer have the same chemical formula but their atoms are bonded in different arrangements
What is it called when a molecule has identical formations on the left and right
Ring of 6 carbon atoms bonded by alternating single and double bonds
Amines, amides, and amino acids are all examples of what type of organic compounds
Compounds whose structures differ by a specific structural unit
The name of the substituent, R-CH3
Type of compound representation that uses lines, no letters or numbers

Down

The type of isomers that are bonded in the same way but arranged differently in space
The atoms of this isomer are all bonded in the same order but are arranged differently in space
The same molecules with different structures are called
Chain compounds in which carbon-carbon bonds are either double or triple bonds
An atom or group other than hydrogen on a molecule
Organic compound that contains at least one double bond
Organic compound that contains single bonds
Cyclic forms of alkanes
Organic compound that contains at least one triple bond
Type of hydrocarbon that has one or more benzene rings
This is the general formula for what type of organic oxygen compound R-O-R

20 Clues: Cyclic forms of alkanes • The name of the substituent, R-CH3 • Organic compound that contains single bonds • An atom or group other than hydrogen on a molecule • What type of formula is this CH3-CH2-CH2-CH2-CH2-CH3 • Type of hydrocarbon that has one or more benzene rings • The same molecules with different structures are called • ...

10th Grade Chemistry 2021-06-14

Across

The table that shows the solubility
Protective eye wear for labs
losing electrons (LEO)
Something to reduce the reaction energy needed
A type of bond where valence electrons r shared
a type of radiation with the highest penetrating power
gaining electrons (GER)
Balancing of both sides of the equation to influence stability
Method of separating aqueous solutions
Group 18 gases on the periodic table
H + Cl -> HCl What type of reaction
the acidity and basic measuring value
double pressure means gas is ____
A compound that won't mix with nonpolar
a homologous series that's saturated
The table that shows how reactive metals/nonmetals are
A formula that is simplified

Down

The table that shows solubility at temp
Releasing heat
the element that is organic
___ says two containers with the same volume no matter what gas they have with the same temp and pressure there will be the same amount of molecules
Something with 8 valence electrons
a substance used to determine pH
Weighted avg of all natural isotopes
a homologous series that's unsaturated
Randomness and variety
A type of bond immersed in a sea of moving
a energy producing method that results in long term waste
Absorption of heat
A strong one will create a higher boiling point

30 Clues: Releasing heat • Absorption of heat • losing electrons (LEO) • Randomness and variety • gaining electrons (GER) • the element that is organic • Protective eye wear for labs • A formula that is simplified • a substance used to determine pH • double pressure means gas is ____ • Something with 8 valence electrons • The table that shows the solubility • ...

Chemistry Final Project 2021-05-30

Chemistry Final Project crossword puzzle

Across

: Reduced version of molecules
: A weak acid in the presence of its conjugate bases can withstand a major fluctuation in pH when a strong acid or base is added, thus maintaining a constant pH until the system is broken
: Technique uses naturalization to determine an unknown concentration of an acid or base
: Conduct electricity when dissolved in water because break into ions
: A mixture that spreads unevenly
: When a stress is applied to a reaction in equilibrium, there will be a shift in the direction that will minimize the stress
: Matter is made of tiny particles
: The attraction(affinity) an atom has for e- in a bond
: Release hydrogen in solution
: A way of expressing numbers that are too large or too small to be conveniently written in decimal form.
: When an atom, molecule, or ion loses one or more electrons in a chemical reaction
: Two light nuclei combine to make a heavier one and huge energy
: Amount of energy it takes to initiate / start a reaction
: A mixture that spread evenly and looks uniform from the outside
: The study of reaction rates
: If two gases have the same volume temperature and pressure they will also have the same number of molecules
: Measured by the quantity of something rather than its quality.
: A homogeneous mixture ( solute dissolved in solvent)
: The energy required to remove the last valence e-
: The end result will be the average of all the possible structures
: An organic reaction, includes carbon

Down

: Rate of forward and reverse reaction and the concentration of reactants and products
: Inorder for this collision to happen it requires sufficient energy and property orientation
: When an atom, molecule, or ion gains one or more electrons in a chemical reaction
: Heavy nucleus split into leigher nucleus and energy
: Electron that orbit in specific e- shell
: A spontaneous decay with one reactant
: Properties of both metal and non metal and a semi
: Not spontaneous, forced
: Release Hydroxide in solution
: Measure atmospheric pressure
: The liquid that does the dissolving (commonly water)
: Distance between the nucleus and the valence e- (bonding size)
: The study of carbon containing compound
: Metal and nonmetal bonded together
: A color change give us a pH range
: Electrons are shared equally and nonmetal have the same or very similar electronegativities
: Stuff that dissolved in liquid
: An ion composed of more than one atom
: Inorder for particles to react they must have an effective collision

40 Clues: : Not spontaneous, forced • : The study of reaction rates • : Reduced version of molecules • : Measure atmospheric pressure • : Release hydrogen in solution • : Release Hydroxide in solution • : Stuff that dissolved in liquid • : A mixture that spreads unevenly • : Matter is made of tiny particles • : A color change give us a pH range • : Metal and nonmetal bonded together • ...

Chemistry Unit One 2022-08-19

Across

a thin glass vessel, with a lip for pouring, used as containers for liquids.
a unit of measurement obtained by multiplication or division of the base units of a system
a way of writing very large or very small numbers
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.
the process of changing or causing something to change from one form to another.
a room or building equipped for scientific experiments, research, or teaching, or for the manufacture of drugs or chemicals.
a scale of temperature on which water freezes at 32° and boils at 212° under standard conditions.
the measure of how much “stuff” is in a given amount of space
the scientific study of the properties and behavior of matter
the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.
a quantity chosen as a standard in terms of which other quantities may be expressed.
SI unit for length
the amount of 3D space a substance or object occupies.
large pincers for grasping and lifting vessels of heat-resistant material used in high temperature chemical reactions.

Down

a tall narrow container with a volume scale used especially for measuring liquids.
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.
the SI unit of mass
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 closeness of a result to the true value
the SI unit of volume
the force acting on the object due to gravity.
a bottle, usually of glass, having a rounded body and a narrow neck, used especially in laboratory experimentation.
the number of digits in a value, often a measurement, that contribute to the degree of accuracy of the value
king who tragically died by drinking chocolate milk
a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
base unit of thermodynamic temperature measurement in the International System of Units (SI)
a measure of the amount of matter in an object.
when an object is largely immersed in a fluid, pushing it out of the way and taking its place
the scale of temperature in which water freezes at 0° and boils at 100° under standard conditions.

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. • ...

Intro to Chemistry 2022-08-30

Across

A pH above 7
Two or more atoms joined together
Bond in which electrons are equally shared between atoms
A pH below 7
A substance dissolved in a liquid
Number of protons plus the number of neutrons
A negatively charged part of an atom
A liquid mixture
An uncharged part of an atom
Connection between atoms
Liquid, solid, or gas at room temperature

Down

An ingredient or atom that combines with others to cause a reaction
The result of a chemical reaction
A positively charged part of an atom
Bond in which electrons are unequally shared between atoms
An atom in which the number of neutrons is different from the number of protons
Another name for an atom
A substance that speeds up a reaction
A liquid that dissolves a substance
Part of the atom that contains protons and neutrons

20 Clues: A pH above 7 • A pH below 7 • A liquid mixture • Another name for an atom • Connection between atoms • An uncharged part of an atom • The result of a chemical reaction • Two or more atoms joined together • A substance dissolved in a liquid • A liquid that dissolves a substance • A positively charged part of an atom • A negatively charged part of an atom • ...

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 Atomic Crossword 2022-09-08

Chemistry Atomic Crossword crossword puzzle

Across

how many f electrons can be in an energy level
what element does Ho stand for
what does Cs stand for
makes everything up
Speed of light equals _ x frequency
What is the maximum amount of electrons for orbitals
what does e=6.26*10^-34 Js(1.60*10^14 1/s)
acronym for energy levels
amount of energy that can be gained or lost by an atom
rows in the periodic table equal what
potassium as electron configuration using aufbau principle method
letter that indicates the type of orbital
how many electrons is in the orbital 4d
what does B stand for
method of indicating the arrangement of electrons about a nucleus
how many electrons does sulfur have
what element does O stand for
what is the shape of a p orbital
Referred to as the atomic number
how many electrons are in the orbital 4f

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first method for E configuration
what element does Ir stand for
3.00*10^8 m/s= 5.8*10^-7 m*f
how many rows are in the F section in the periodic table
number under element name
even smaller sub-atomic particles than protons
what element does Kr stand for
unique upper-case letter and lower-case symbol
how many elements are in the periodic table
how many rows are in the P section in the periodic table
number of protons equals
how many p orbitals can be in an energy level
formula for energy
how many rows are in the D section in the periodic table
sum of protons and neutrons equals...
sub-atomic particles with a zero charge
what element does CA stand for
second method for E configuration
what element does Li stand for
what is the shape of a s orbital
number that indicates the energy level
how many electrons is in the orbital 5p
which is the lowest energy level having d orbitals
how many rows are in the S section in the periodic table
what element does Cu stand for
how many d orbitals can be in an energy level

46 Clues: formula for energy • makes everything up • what does B stand for • what does Cs stand for • number of protons equals • number under element name • acronym for energy levels • 3.00*10^8 m/s= 5.8*10^-7 m*f • what element does O stand for • what element does Ir stand for • what element does Ho stand for • what element does Kr stand for • what element does CA stand for • ...

Organic Chemistry Crossword 2022-08-24

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30 Clues: 8 • 9 • 4 • 5 • 6 • 1 • 2 • 7 • 3 • 14 • 11 • 28 • 30 • 24 • 15 • 25 • 12 • 16 • 27 • 23 • 18 • 26 • 10 • 20 • 21 • 19 • 29 • 13 • 17 • 22

organic chemistry crossword 2022-08-24

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30 Clues: 5 • 3 • 6 • 2 • 7 • 9 • 8 • 1 • 4 • 17 • 15 • 28 • 30 • 26 • 21 • 22 • 18 • 25 • 16 • 23 • 24 • 13 • 19 • 11 • 10 • 29 • 14 • 20 • 12 • 27

Year 7 Chemistry 2022-07-31

Across

A mixture in which the composition is uniform throughout the mixture
When a substance can soak up another substance
The substance that dissolves is called the
Used to separate colours in ink
The substance that goes through the filter
The process when a solid is formed
The process of gradually pouring a liquid from one container into another, to separate out the sediment
A combination of substances that can be physically separated
A mixture in which the composition is not uniform throughout the mixture
Elements which can conduct electricity
A technique used to recover a liquid from a solution
H20

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Mixtures in test tubes are spun around
When a substance changes from a liquid to a gas
Any substance that takes up space and has mass
A substance containing atoms of two or more elements joined together by chemical bonds
Substances that do not dissolve in liquids
Substance that the solute dissolves in
Copper, gold and iron are all examples of
Separating different size particles in a mixture
The element that makes up diamonds
A substance made up of only one type of atom
The substance that remains in the filter paper

23 Clues: H20 • Used to separate colours in ink • The process when a solid is formed • The element that makes up diamonds • Mixtures in test tubes are spun around • Substance that the solute dissolves in • Elements which can conduct electricity • Copper, gold and iron are all examples of • Substances that do not dissolve in liquids • The substance that dissolves is called the • ...

Chemistry Crossword 1 2022-08-29

Across

one hundredth of something
"It's so hot out! It's over 25 degrees ____"
shoes need to be _______-toed
in lab, we don't sniff we _____
what you need to bring for lab
the energy in food and fuel
Kelvin, Fahrenheit, and Celsius all measure this
"kg" means
Unit of mass
When you write down a measurement, you need the number and the ____
the type of energy we give off when we get hot

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One milliliter is equally to one centimeter_____
a measure of volume
What a scale measures when you stand on it
1000 of something
eye protection in lab
what you should do at the end of lab
feet, inches, yards, and kilometers all measure this
CER: _____, evidence, reasoning
0.001 of something
the unit scientists use for energy
what we measure with a watch and a calendar
energy of motion
energy phones use
one way to measure length
a measure of length

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

Chemistry Crossword 1 2022-08-29

Across

a measure of volume
a measure of length
what you should do at the end of lab
energy of motion
When you write down a measurement, you need the number and the ____
eye protection in lab
"It's so hot out! It's over 25 degrees ____"
Kelvin, Fahrenheit, and Celsius all measure this
the type of energy we give off when we get hot
what you need to bring for lab
"kg" means
CER: _____, evidence, reasoning

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1000 of something
Unit of mass
what we measure with a watch and a calendar
the energy in food and fuel
in lab, we don't sniff we _____
energy phones use
One milliliter is equally to one centimeter_____
What a scale measures when you stand on it
feet, inches, and kilometers all measure this
the unit scientists use for energy
one hundredth of something

23 Clues: "kg" means • Unit of mass • energy of motion • 1000 of something • energy phones use • a measure of volume • a measure of length • eye protection in lab • one hundredth of something • the energy in food and fuel • what you need to bring for lab • in lab, we don't sniff we _____ • CER: _____, evidence, reasoning • the unit scientists use for energy • what you should do at the end of lab • ...

A Chemistry Halloween 2022-10-29

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A compound with a pH of less than 7.0
Any substance that is consumed in the course of a chemical reaction.
A chemical element in its smallest form
Some sleep here
Spooky Home
Freddy's invitation
Just dying to get in
The alternate definition of "costume"
One of the four fundamental states of matter
Threshold greeting
Heard on the night of the full moon
Lighting the way
Toil and trouble go in here
A Halloween pet
The SI unit of energy

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Salem's mascot
The largest one is a flying fox
A negatively charged ion
How close a measured value is to the actual or true value
The electric or magnetic separation of electric charge into a pair of charges of equal magnitude but opposite sign
Vehicle for holiday personalities
We all have one
Glassware used to dispense specific amounts of liquid when precision is necessary
One of the four fundamental states of matter
Arachnid's food trap
One of the four fundamental states of matter
The Headless Horseman's head
One of the four fundamental states of matter
What the night of the living are
A positively charged ion
Pumpkin spice comes to life in...

31 Clues: Spooky Home • Salem's mascot • Some sleep here • We all have one • A Halloween pet • Lighting the way • Threshold greeting • Freddy's invitation • Arachnid's food trap • Just dying to get in • The SI unit of energy • A negatively charged ion • A positively charged ion • Toil and trouble go in here • The Headless Horseman's head • The largest one is a flying fox • What the night of the living are • ...

Chemistry Review Puzzle 2022-06-06

Chemistry Review Puzzle crossword puzzle

Across

The combination of Boyle’s and Charle’s law creates this law, used to find the relationship between volume, temperature, and pressure. ***
Millimeters of ______, used to show atmospheric pressure.
A property of gas meaning that there are few molecules taking up a given volume. **
Force per unit area of gas.
__________’s theory demonstrates that under the same conditions of temperature and pressure, equal volumes of different gases contain an equal number of molecules
A group of atoms bonded together. The atoms can be the same or different. Over 100 million are known.
A property of gas which is defined as a volume change as a result of a pressure change.
273K, 101.325kPa
A scientific instrument used to measure atmospheric pressure.
Measure of hot/cold.
The law of ________ states that the volume of gaseous reactants and products are always in simple ratios of whole numbers, (if they're measured at the same temperature and pressure.) **

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The amount of space a substance takes up.
The volume that one mole of gas occupies.**
The measure of temperature found in the metric system.
Measurement of pressure x 1000. **
____ Gas Law combines Boyle’s, Charles’ and Avagrado’s Laws to form PV=nRT.
A unit of measurement that represents a number of molecules at a given pressure and temperature.
The amount of a substance. **
298K, 101.325kPa
A law that states as temperature increases, the volume of a gas increases proportionally (if pressure and amount of gas stay constant.)**
________ Theory is the classical model which describes the behaviour of gases. **
A law that states as the pressure of a gas increases, volume decreases proportionally (if the amount of gas and temperature stay constant.) **
One of these is equal to 101.325kPa
The SI base unit of temperature, used in gas law equations.
A unit of volume in the metric system which can be used to calculate gas laws.

25 Clues: 298K, 101.325kPa • 273K, 101.325kPa • Measure of hot/cold. • Force per unit area of gas. • The amount of a substance. ** • Measurement of pressure x 1000. ** • One of these is equal to 101.325kPa • The amount of space a substance takes up. • The volume that one mole of gas occupies.** • The measure of temperature found in the metric system. • ...

Chemistry Review Game 2022-05-19

Across

name for hydrochloric acid
amount of matter
units of volume in the metric system
what you should do first in a reaction
is an aromatic compound
moles/volume
hydrocarbon for the formula CnH(2n-2)
name for OH
hydrocarbons with single bonds
compounds that have a scent

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name for C8H18
amount of space
solvents and solutes mixed together
prefix for ringed hydrocarbons
name for C4H10
avagadro's number
name for C6H14
what speeds up a reaction?
reaction name for A+B=AB
ending for one or more double bond

20 Clues: name for OH • moles/volume • name for C8H18 • name for C4H10 • name for C6H14 • amount of space • amount of matter • avagadro's number • is an aromatic compound • reaction name for A+B=AB • name for hydrochloric acid • what speeds up a reaction? • compounds that have a scent • prefix for ringed hydrocarbons • hydrocarbons with single bonds • ending for one or more double bond • ...

Chemistry Review Game 2022-05-19

Across

equation for nonane
___ can be structural or geometric
the molar concentration
the tendency of an atom to attract electrons
H's bond ___ in Lewis Dot Diagrams
AB=A+B
covalent bonding is ___
760mmHg equals 1 ___
Ideal gas law equation

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a throuroughly tested explanation for an event
solid that is dissolved
name for NO2
electrons outermost electrons in a ring
position for 1,3
Charles' Law equation
alkanes are ___ (not attracted to water)
matter has mass and ___
degree to which a solute dissolves
liquid that dissolves stuff
position for 1,2

20 Clues: AB=A+B • name for NO2 • position for 1,3 • position for 1,2 • equation for nonane • 760mmHg equals 1 ___ • Charles' Law equation • Ideal gas law equation • solid that is dissolved • the molar concentration • matter has mass and ___ • covalent bonding is ___ • liquid that dissolves stuff • ___ can be structural or geometric • H's bond ___ in Lewis Dot Diagrams • ...

Chemistry in Biology 2022-12-07

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substance that speeds up a chemical reaction
molecule with oppositely charged regions
substance dissolved in a solution
substance in which another substance is dissolved
two or more atoms of the same element having different numbers of neutrons
substance that exists before a chemical reaction
a pure substance composed of only one type of atom
compound whose atoms are held together by
reactant to which an enzyme binds
particle without charge
an electrical attraction between two oppositely charged atoms or groups of atoms
minimum amount of energy needed for reactants to form products in a chemical reaction
an atom that is positively or negatively charged because it has lost or gained electrons
substance that releases hydrogen ions when dissolved in water
protein that speeds up a biological reaction; biological catalyst
substance that produces hydroxide ions when dissolved in water

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attractive forces between molecules
measure of the concentration of hydrogen ions in a solution
a mixture that can react with an acid or base to maintain the pH of a solution within a specific range
a type of chemical bond formed when atoms share electrons
the specific place where a substrate binds on an enzyme
energy-requiring process by which atoms or groups of atoms in substances are changed into different substances
a combination of two or more different substances in which each substance keeps its individual characteristics
weak electrostatic bond formed by the attraction of opposite charges between a H atom and an O, N, Fl atom
a pure substance with unique properties, formed when two or more different elements combine
positively charged particle
negatively charged particle
homogeneous mixture formed when a substance (the solute) is dissolved in another substance (the solvent)
building block of matter
substance formed by a chemical reaction
contains neutrons and protons

31 Clues: particle without charge • building block of matter • positively charged particle • negatively charged particle • contains neutrons and protons • substance dissolved in a solution • reactant to which an enzyme binds • attractive forces between molecules • substance formed by a chemical reaction • molecule with oppositely charged regions • ...

Chemistry - Energy Vocabulary 2022-09-27

Chemistry - Energy Vocabulary crossword puzzle

Across

This energy is found/stored in the nucleus of an atom
This type of resource can be replaced/can not be used up
travels as waves through matter and empty space
This type of energy is know for powering wind turbines
Energy source made up of materials from living things
This resource can not be replaced at the same rate it is getting used up
The energy of moving objects (car moving, ball rolling, fish swimming, etc)

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The energy we get from water (specifically moving water)
Energy which is caused by moving electric charges
Conversion of energy (one form of energy into another)
Has the ability to change the temperature of different forms of matter
Management of resources
Storage for the electrical energy made from solar cells
The energy we get from the sun
Formed millions of years ago from decayed remains
Has the ability to change light energy into electricity
Comes from within the earths crust
Reflects/concentrates the sunlight onto a fluid filled pipe (one of the steps used to turn a turbine)
Energy stored in atoms/molecules (food, fuels, and batteries store this type of energy)
The ability to move or change

20 Clues: Management of resources • The ability to move or change • The energy we get from the sun • Comes from within the earths crust • travels as waves through matter and empty space • Energy which is caused by moving electric charges • Formed millions of years ago from decayed remains • This energy is found/stored in the nucleus of an atom • ...

Chemistry of Life 2022-10-19

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the inside of an organism stays the same, even though the outside changes
storage form of carbohydrates
carbohydrates used by plants to store energy
net movement of water out of the cell
plant cell walls are composed of...
long chains of C & H joined together
the movement of water
no net movement of water
transport that requires energy
when molecules bong together by removing H2O

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main source of energy in the body
building block of lipids
the movement of solutes
transport that requires no energy
when plants trap sunlight energy to produce carbohydrates
composed of 1 glycerol and 3 fatty acids
organism that produces their own food
a difference in the number of molecules or ions
movement of water into the cell
the main components of cell membranes

20 Clues: the movement of water • the movement of solutes • building block of lipids • no net movement of water • storage form of carbohydrates • transport that requires energy • movement of water into the cell • main source of energy in the body • transport that requires no energy • plant cell walls are composed of... • long chains of C & H joined together • ...

Zoology and Chemistry 2023-01-13

Across

when a group of birds fly and stick together
When apex predators of the same species hunt together in small groups.
An animal at the top of a trophic pyramid who does not have an predators of its own
The number of protons and neutrons found in an element
An educated guess after research
an element that has gained or lost an electron.
Gamete of the male salmon
Basic unit of matter and the defining structure of elements

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used for gas exchange on a shark
found on a bony fish but not on cartilaginous fish
when a group of fish stick together
The number of protons found in an element
An evolutionary trait that animals have developed to increase their ability to survive
the long folds of tissue found in the shark's stomach usedto expand the stomach when consuming prey.
when bugs group together to attack a certain organism.
when an apex predator is added to an ecosystem and it affects all the trophic levels below that predator
Gamete of the female salmon
when groups of cattle animals group together to keep each other safe.
a behavior that animals learn from watching other animals
Regurgitated mass of indigestible bones, feathers, and fur

20 Clues: Gamete of the male salmon • Gamete of the female salmon • used for gas exchange on a shark • An educated guess after research • when a group of fish stick together • The number of protons found in an element • when a group of birds fly and stick together • an element that has gained or lost an electron. • found on a bony fish but not on cartilaginous fish • ...

Chemistry Crossword Puzzle 2020-05-29

Across

a substance that readily vaporizes.
mixture of gases produced by the breakdown of organic matter in the absence of oxygen.
metalloid with element symbol Te and atomic number 52.
forming a scalloped shape upon exposure to a hypertonic solution.
number of electrons needed to fill the outermost electron shell.
any element found in group IA (first column) of the periodic table.
state of matter with no defined shape or volume consisting of ions and electrons.
material which permits the flow of energy
the process of adding chlorine to drinking water to disinfect it and kill germs.
discrete packet of electromagnetic radiation.
a substance that forms ions in aqueous solution.
irreversible damage to a material or tissue due to a chemical reaction.
a chemical substance that neutralizes alkalis and turns litmus red.
distinct form of matter with uniform chemical and physical properties.
a protein that functions as a catalyst for a chemical reaction.
method of separating mixtures by removing the liquid layer from a precipitate.
study of matter and energy and the interactions between them
scientific study of heat, work, and related properties of mechanical and chemical systems.
mass per unit volume.
solution containing a small amount of solute relative to the amount of solvent.
study of quantitative relationships between substances undergoing a physical or chemical change.
heterogeneous mixture of solid particles in a fluid.
process used to separate solids from liquids or gases using a filter medium that allows the fluid to pass through but not the solid.
substance that is dissolved in a chemical solution.
very old study and philosophy of how to change basic substances into other substances.
substance that increases the chemical reaction rate by decreasing its activation energy.
a substance that forms ions in aqueous solution.

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process characterized by a spontaneous transition of molecules from the liquid phase to vapor phase.
movement of a fluid from a region of higher concentration to lower concentration.
any alloy of mercury and one or more other metals.
an aqueous solution with a pH greater than 7.
a chemical bond that involves the sharing of electron pairs between atoms.
amount of matter a substance contains or property of matter that resists acceleration.
process that uses an electric current to reduce dissolved metal cations so that they form a thin coherent metal coating on an electrode.
passage of direct current through an ion-conducting solution.
loss of electrons by an atom, molecule or ion in a chemical reaction.
thermodynamic property of a system that is the sum of the internal energy and the product of pressure and volume.
a homogenous mixture in which dispersed particles do not settle out.
measure of how well molecules stick to each other or group together.
matter in which atoms, ions, or molecules are packed into an ordered, repeating three-dimensional pattern.
half reaction in which a chemical species decreases its oxidation number, generally by gaining electrons.
instrument designed to measure heat flow of a chemical reaction or physical change.
the chemical breakdown of a substance by bacteria orother microorganisms.
unit of concentration that is the moles of solute divided by the kilograms of solvent.
movement of gas through a pore or capillary into a vacuum or another gas.
substance made by mixing substance together
binding of an element to itself via covalent bonds
group of techniques used to separate mixture components by passing the mixture through a stationary phase.
chemical species formed when two or more atoms form a chemical bond.
chemical species formed by two or more atoms that share chemical bond.
component of a solution present in the greatest proportion.
the positively charged electrode by which the electrons leave a device.

52 Clues: mass per unit volume. • a substance that readily vaporizes. • material which permits the flow of energy • substance made by mixing substance together • an aqueous solution with a pH greater than 7. • discrete packet of electromagnetic radiation. • a substance that forms ions in aqueous solution. • a substance that forms ions in aqueous solution. • ...

Chemistry Crossword Puzzle 2020-05-29

Across

- the name for the element with atomic number 89. It is a member of the actinide group.
- a discrete packet of matter or energy, plural is quanta.
- a chemical species that accepts electrons or donate protons or hydrogen ions.
- is the name for the element with atomic number 8. It is a member of the nonmetal group.
- unable to dissolve in a solvent.
- stable negatively charged subatomic particle
- a medium believed to carry light waves in the 18th and 19th century.
change - process by which one or more substances are altered to form new substances.
- is the name for the element with atomic number 20. It is a member of the alkaline earth metal group.
- instrument used to measure atmospheric pressure.
- is the name for the element with atomic number 12. It is an alkaline earth metal.
- is the name for the element with atomic number 30. It is a member of the transition metals group.
- radioactive metal and atomic number is 97.
- a chemical change that forms new substances.
- a condensable gas
- SI unit of energy equal to the kinetic energy of a 1 kg mass moving at 1 m/s.
- group of techniques used to separate mixture components by passing the mixture through a stationary phase
- the mixture of gases that make up the Earth's atmosphere, consisting mainly of nitrogen, with oxygen, water vapor, argon, and carbon dioxide.
law - law that states the properties of elements recur in a predictable and systematic way when they are arranged by increasing atomic number.
- a homogenous mixture in which dispersed particles do not settle out.
- a standard used for comparison in measurements.
- any matter or substance that has mass.
- is the chemistry of living things.
- atoms that have the same number of protons, but different numbers of neutrons and thus different atomic weight values.
- is element number is 70
- chemical reaction between an acid and base that results in a neutral solution.
- is an element with an atomic number of 54 and atomic weight of 131.29. It is an odorless inert gas that is used to fill cathode ray tubes.
-Several definitions of alchemy exist. Originally, alchemy was an ancient tradition of sacred chemistry used to discern the spiritual and temporal nature of reality, its structure, laws, and functions.

Down

bond - chemical link between atoms or ions in which the electron pairs are more or less evenly shared between them.
energy - energy associated with motion.
- either a substance in which all atoms are linked by single bonds, a solution that contains maximum dissolved solute concentration, or a thoroughly wetted material.
- mass per unit volume
unit - an SI unit made from a combination of the base units
- luminescence released when an atom absorbs electromagnetic radiation and emits a photon when the electron falls to a lower energy state.
- material which permits the flow of energy
- chemical reaction between a fuel and oxidizer that yields energy (usually heat and light)
- a substance that contains an -OH group attached to a hydrocarbon.
- scientific study of heat, work, and related properties of mechanical and chemical systems.
acid - an acidic binary compound in which one element is hydrogen and the other element is another nonmetal.
- noble gas and atomic number is 10
- a compound formed by one oxygen atom and two hydrogen atoms. Usually this refers to the liquid form of the molecule.
- energy that flows between matter samples because of a temperature difference.
gas law - law which states the ratio of the product of pressure and volume, divided by the absolute temperature, is a constant value.
- halogen with atomic number is 17
- alkaline earth metal and atomic number is 4.
- metal with element symbol Pb and atomic number 82.
point - temperature at which a liquid's vapor pressure is equal to the external gas pressure.
- alkaline earth metal and atomic number is 56.
property - characteristic which may be observed when matter undergoes a chemical change.
- is the name for the element with atomic number 83. It is a member of the metal group
- state of matter characterized by having neither a defined shape nor defined volume.

51 Clues: - a condensable gas • - mass per unit volume • - is element number is 70 • - unable to dissolve in a solvent. • - halogen with atomic number is 17 • - noble gas and atomic number is 10 • - is the chemistry of living things. • energy - energy associated with motion. • - any matter or substance that has mass. • - material which permits the flow of energy • ...

Chemistry Crossword Puzzle 2020-06-03

Across

splitting of nucleus
study of matter and energy and the interactions between them
He stated that mass is neither created nor destroyed
A system's ability to do work.
chemical species formed by two or more atoms that share chemical bonds such that they form one unit.
anything that has mass and occupies volume
A molecule that has gained or lost one or more electrons from its neutral state and therefore possesses a negative or positive electric charge.
the one who arranged the periodic table elements according to their atomic mass
force multiplied by distance or the amount of energy needed to move a mass against a force.
an ion with a negative electrical charge.
Argon is the name for the element with atomic number 18 and is represented by the symbol Ar
an ion of oxygen with an oxidation state equal to 2- (e.g., iron oxide).
SI unit of pressure equal to the force of 1 Newton per square meter.
involves the emission of energetic particles of an atom
emitted energy in the form of rays, waves, or particles.
any substance that increases the rate of a reaction without itself being consumed.
mass per unit volume.
covalent bonds formed by overlapping of outer orbitals of adjacent atoms.
a standard used for comparison in measurements
an electrical charge, a conserved property of subatomic particles determining their electromagnetic interaction.
amount of matter a substance contains or property of matter that resists acceleration.
A positively charged ion.
outer electron most likely to participate in bond formation or a chemical reaction.
SI unit of energy equal to the kinetic energy of a 1 kg mass moving at 1 m/s.
Metal + Non – Metal
sharing of electron

Down

A substance that is made up of two or more chemically bonded elements.
X-rays are light rays with a wavelength from 0.01 to 1.0 nanometers.
a substance that cannot be subdivided using chemical means; identified by the number of protons in its atoms.
the one responsible for the entirety of chemical phenomena
it is the ability to attract electrons
chemical mass unit equal to 6.022 x 1023 molecules, atoms, or other particles
a precious shiny grayish-white metal, the chemical element of atomic number 47.
equal sharing of electron
chemical bond in which two electron pairs are shared between two atoms.
the mass of a single atom of a chemical element.
a push or pull on a mass, with both magnitude and direction (vector).
class of fat-soluble molecules, also known as oils and fats
state of matter characterized by having neither a defined shape nor defined volume
the force on a mass due to the acceleration of gravity (mass multiplied by acceleration).
crude oil; natural flammable hydrocarbon mixture found in geologic formations.
large molecule made of rings or chains of repeated monomer subunit
particle in the atomic nucleus that has a mass of 1 and charge of 0
energy that flows between matter samples because of a temperature difference.
maximum amount of solute that may be dissolved in a specified solute
the mixture of gases that make up the Earth's atmosphere
Calcium is the name for the element with atomic number 20 and is represented by the symbol Ca.
a chemical link formed between atoms in molecules and molecules and ions in crystals.
a chemical species that accepts electrons or donate protons or hydrogen ions.
Oxygen is the name for the element with atomic number 8 and is represented by the symbol O

50 Clues: Metal + Non – Metal • sharing of electron • splitting of nucleus • mass per unit volume. • equal sharing of electron • A positively charged ion. • A system's ability to do work. • it is the ability to attract electrons • an ion with a negative electrical charge. • anything that has mass and occupies volume • a standard used for comparison in measurements • ...

Chemistry Crossword Puzzle 2020-06-03

Across

the mass of a single atom of a chemical element.
SI unit of pressure equal to the force of 1 Newton per square meter.
equal sharing of electron
the mixture of gases that make up the Earth's atmosphere
the force on a mass due to the acceleration of gravity (mass multiplied by acceleration).
anything that has mass and occupies volume
a chemical species that accepts electrons or donate protons or hydrogen ions.
outer electron most likely to participate in bond formation or a chemical reaction.
Calcium is the name for the element with atomic number 20 and is represented by the symbol Ca.
chemical species formed by two or more atoms that share chemical bonds such that they form one unit.
a standard used for comparison in measurements
emitted energy in the form of rays, waves, or particles.
SI unit of energy equal to the kinetic energy of a 1 kg mass moving at 1 m/s.
an ion with a negative electrical charge.
amount of matter a substance contains or property of matter that resists acceleration.
a chemical link formed between atoms in molecules and molecules and ions in crystals.
a precious shiny grayish-white metal, the chemical element of atomic number 47.
state of matter characterized by having neither a defined shape nor defined volume
involves the emission of energetic particles of an atom
a push or pull on a mass, with both magnitude and direction (vector).
class of fat-soluble molecules, also known as oils and fats
particle in the atomic nucleus that has a mass of 1 and charge of 0
an ion of oxygen with an oxidation state equal to 2- (e.g., iron oxide).
maximum amount of solute that may be dissolved in a specified solute
Oxygen is the name for the element with atomic number 8 and is represented by the symbol O
A positively charged ion.
sharing of electron
an electrical charge, a conserved property of subatomic particles determining their electromagnetic interaction.

Down

the one who arranged the periodic table elements according to their atomic mass
covalent bonds formed by overlapping of outer orbitals of adjacent atoms.
He stated that mass is neither created nor destroyed
the emission or transmission of energy in the form of waves or particles through space or through a material medium
A system's ability to do work.
force multiplied by distance or the amount of energy needed to move a mass against a force.
Metal + Non – Metal
large molecule made of rings or chains of repeated monomer subunit
it is the ability to attract electrons
chemical bond in which two electron pairs are shared between two atoms.
the one responsible for the entirety of chemical phenomena
A molecule that has gained or lost one or more electrons from its neutral state and therefore possesses a negative or positive electric charge.
splitting of nucleus
study of matter and energy and the interactions between them
mass per unit volume.
Argon is the name for the element with atomic number 18 and is represented by the symbol Ar
A substance that is made up of two or more chemically bonded elements.
energy that flows between matter samples because of a temperature difference.
any substance that increases the rate of a reaction without itself being consumed.
a substance that cannot be subdivided using chemical means; identified by the number of protons in its atoms.
crude oil; natural flammable hydrocarbon mixture found in geologic formations.
chemical mass unit equal to 6.022 x 1023 molecules, atoms, or other particles
X-rays are light rays with a wavelength from 0.01 to 1.0 nanometers.

51 Clues: Metal + Non – Metal • sharing of electron • splitting of nucleus • mass per unit volume. • equal sharing of electron • A positively charged ion. • A system's ability to do work. • it is the ability to attract electrons • an ion with a negative electrical charge. • anything that has mass and occupies volume • a standard used for comparison in measurements • ...

Chemistry Final Project 2020-06-09

Across

A process that separates a solid from that liquid in a heterogeneous mixture
Energy being released
When a insoluble product is formed after mixing two solutions,Appear cloudy
Scattering of light by colloidal particles
Mixture of metals ex: (brass,bronze,sterling,silver)
A substance in which the atoms of 2
A type of matter with a fixed compression
When the surface area of the reacting particles is increase
If all the atoms in a substance has the same identity it becomes (Blank)
Number of protons in an atom identifies the element periodic table is organized by this mass
Energy absorbed

Down

Energy required to initiate a chemical reaction
change A change in size,shape, or state
A system consisting of small
The study of matter and the changes that it undergoes-matter Anything that has mass and takes up space
A subatomic particle that has no charge
A subatomic particle that has positive charge
Two or more atoms that are chemically bound
Smallest unit of an element
A measure that reflects the amount of matter
The total of the number of neutrons and protons in an atomic nucleus
The forward and reverse rates of change are equal
A change that occurs when one or more substances change into entirely new substances with different properties
A negatively charged particle that is found outside the nucleus of an atom
Substances that does the dissolving

25 Clues: Energy absorbed • Energy being released • Smallest unit of an element • A system consisting of small • A substance in which the atoms of 2 • Substances that does the dissolving • change A change in size,shape, or state • A subatomic particle that has no charge • A type of matter with a fixed compression • Scattering of light by colloidal particles • ...

Chemistry final crossword 2020-06-10

Chemistry final crossword crossword puzzle

Across

anything having mass and taking up space
one of states of matter
spectrum chemical element or chemical compound
fusion when two or more nuclei together
able to be changed
something becomes a liquid by heat
bang how the universe began
when water become a solid
how far is it from starting cycle to ending cycle
are dark planet -sized regions that appear on the sun
one complete performance of a periodic process
light from the sun
having a PH of less than 7

Down

the basic unit of matter
a rearrangement of atoms into new substances
lighter elements sometimes have too many neutrons
mountain or hill which having lava
matter and space as a whole
type of rocks
atoms of same elements having a different mass
all atoms with more than 82 protons are radioactive
the relative amount of solute
table of chemical elements
microwave type of big bang theory
send into the air

25 Clues: type of rocks • send into the air • able to be changed • light from the sun • one of states of matter • the basic unit of matter • when water become a solid • table of chemical elements • having a PH of less than 7 • matter and space as a whole • bang how the universe began • the relative amount of solute • microwave type of big bang theory • mountain or hill which having lava • ...

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