chemical reaction Crossword Puzzles

Science vocabulary 2013-12-13

Across

mass cannot be created of destroyed
a substance that is formed in a chemical reaction
when heat is released
are the biological substances that act as catalysts and help complex reactions occur everywhere in life
a process in which one or more substances are transformed into others
a symbolic representation of a chemical reaction
slows down a chemical reaction

Down

makes a new substance with new properties
a substance that takes part in a chemical reaction
speeds up a chemical reaction
when heat is absorbed

11 Clues: when heat is absorbed • when heat is released • speeds up a chemical reaction • slows down a chemical reaction • mass cannot be created of destroyed • makes a new substance with new properties • a symbolic representation of a chemical reaction • a substance that is formed in a chemical reaction • a substance that takes part in a chemical reaction • ...

chapter 2 2014-11-18

Across

a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction.
The hydronium cation, also known as hydroxonium is the positively charged polyatomic ion with the chemical formula H 3O+ . Hydronium, a type of oxonium ion, is formed by the protonation of water.
a part or aspect of something abstract, especially one that is essential or characteristic.
Oxidation-reduction reactions (or redox) reactions, are a type of chemical reaction that involves a transfer of electrons between two species. An oxidation-reduction reaction is any chemical reaction in which the oxidation number of a molecule, atom, or ion changes by gaining or losing an e -.
having the properties of an alkali, or containing alkali; having a pH greater than 7.
having assets in excess of liabilities; able to pay one's debts.
the lowest part or edge of something, especially the part on which it rests or is supported.
the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
a thermodynamic quantity equivalent to the capacity of a system to do work.
a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
the particular condition that someone or something is in at a specific time.
the central and most important part of an object, movement, or group, forming the basis for its activity and growth.

Down

A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms. The stable balance of attractive and repulsive forces between atoms when they share electrons is known as covalent bonding.
An endergonic reaction (such as photosynthesis) is a reaction that requires energy to be driven. The activation energy for the reaction is typically larger than the overall energy of the exergonic reaction(1).
the minor component in a solution, dissolved in the solvent.
a coherent, typically large body of matter with no definite shape.
the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
the action or power of focusing one's attention or mental effort.
a product is something "manufactured" by an enzyme from its substrate
an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
A pH scale is a measure of how acidic or basic a substance is. While the pH scale formally measures the activity of hydrogen ions in a substance or solution, it is typically approximated as the concentration of hydrogen ions.

22 Clues: the minor component in a solution, dissolved in the solvent. • having assets in excess of liabilities; able to pay one's debts. • the action or power of focusing one's attention or mental effort. • a coherent, typically large body of matter with no definite shape. • a product is something "manufactured" by an enzyme from its substrate • ...

BASIC CHEMISTRY 2024-09-11

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Reaction: A type of chemical reaction where elements from different compounds exchange places. (Page XX)
Triphosphate (ATP): The primary energy carrier in cells, providing energy for various cellular processes. (Page XX)
The simplest form of carbohydrates, consisting of single sugar molecules such as glucose and fructose. (Page XX)
A substance composed of two or more elements chemically bonded together. (Page XX)
The smallest unit of matter that retains the properties of an element. (Page XX)
A lipid with a hydrophilic head and two hydrophobic tails, making it a major component of cell membranes. (Page XX)
A chemical reaction where a compound is broken down by the addition of water. (Page XX)
The substance upon which an enzyme acts. (Page XX)
Organic compounds consisting of carbon, hydrogen, and oxygen, typically in a ratio of 1:2:1, used for energy and structural purposes. (Page XX)
Molecule: A molecule containing carbon-hydrogen bonds, typically found in living organisms. (Page XX)
Bond: A type of chemical bond where atoms share pairs of electrons. (Page XX)
The substances produced as a result of a chemical reaction. (Page XX)
Reaction: A process in which substances (reactants) are transformed into different substances (products). (Page XX)
An atom or molecule with a net electric charge due to the loss or gain of one or more electrons. (Page XX)
The starting materials in a chemical reaction. (Page XX)
A substance that increases the concentration of hydrogen ions (H+) in a solution. (Page XX)
Molecule: Molecules that do not primarily consist of carbon-hydrogen bonds. (Page XX)
A macromolecule made up of amino acids, crucial for structure, function, and regulation of the body's tissues and organs. (Page XX)
Bond: A weak bond between a hydrogen atom and an electronegative atom, such as oxygen or nitrogen. (Page XX)
Site: The region on an enzyme where the substrate binds and the reaction takes place. (Page XX)
Reaction: A chemical reaction involving the transfer of electrons between substances. (Page XX)
A carbohydrate composed of multiple monosaccharide units, such as starch and glycogen. (Page XX)
An ionic compound formed from the neutralization reaction between an acid and a base. (Page XX)
A substance that reduces the concentration of hydrogen ions (H+) or increases hydroxide ions (OH-) in a solution. (Page XX)
Reaction: A chemical reaction in which two molecules combine to form a larger molecule, with the loss of a smaller molecule, often water. (Page XX)

Down

Bond: The force that holds atoms together in a molecule. (Page XX)
A type of lipid characterized by a four-ring structure, including hormones like cholesterol and testosterone. (Page XX)
The building block of nucleic acids, composed of a sugar, a phosphate group, and a nitrogenous base. (Page XX)
(Deoxyribonucleic Acid): The molecule that carries genetic information used for the growth, development, and functioning of all living organisms. (Page XX)
Complex: The intermediate state formed when an enzyme binds to its substrate. (Page XX)
A pure substance consisting entirely of one type of atom. (Page XX)
A scale used to specify the acidity or basicity of an aqueous solution. (Page XX)
A solution that resists changes in pH when small amounts of an acid or base are added. (Page XX)
Molecule: A molecule with no net dipole moment, where electrons are shared equally or nearly equally. (Page XX)
A positively charged ion formed by losing one or more electrons. (Page XX)
Variants of a particular chemical element that have the same number of protons but different numbers of neutrons. (Page XX)
Reaction: A type of chemical reaction where two or more reactants combine to form a single product. (Page XX)
Reaction: A type of chemical reaction where a single compound breaks down into two or more products. (Page XX)
A negatively charged ion formed by gaining one or more electrons. (Page XX)
A carbohydrate consisting of two monosaccharide units linked together, such as sucrose and lactose. (Page XX)
Molecule: A molecule with a net dipole moment due to the presence of polar bonds. (Page XX)
Acid: The basic building block of proteins, containing an amino group, a carboxyl group, and a variable side chain. (Page XX)
A biological catalyst that accelerates chemical reactions in living organisms. (Page XX)
A type of lipid consisting of one glycerol molecule and three fatty acids. (Page XX)
A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound. (Page XX)
Bond: The covalent bond formed between the carboxyl group of one amino acid and the amino group of another during protein synthesis. (Page XX)
A group of hydrophobic organic molecules, including fats, oils, and steroids, that function in long-term energy storage and cellular structure. (Page XX)
Energy: The minimum energy required to initiate a chemical reaction. (Page XX)
Bond: A type of chemical bond formed through the electrostatic attraction between oppositely charged ions. (Page XX)
Acid: A hydrocarbon chain with a carboxyl group at one end, which can be saturated or unsaturated. (Page XX)

50 Clues: The substance upon which an enzyme acts. (Page XX) • The starting materials in a chemical reaction. (Page XX) • Bond: The force that holds atoms together in a molecule. (Page XX) • A pure substance consisting entirely of one type of atom. (Page XX) • The substances produced as a result of a chemical reaction. (Page XX) • ...

Madison Heinze ch.13 2016-10-12

Across

when you only deal with doubles that are together
energy the energy that is stored in molecules that can be released during a reaction.
if changed the equilibrium shifts to oppose change, until new equilibrium is reached
energy transfers from reactions to surroundings (usually hot)
increasing of one substance favors the reaction that produces less of that substance
not having the same numbers on both sides to make something equal
a substance that undergoes a chemical change.

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increasing favors the reaction that produces less gas
energy is transferred to reactants from surroundings (usually cold)
when you only deal with singles that are by themselves
when reaction and it's reverse act at the same rate
changes the rate of chemical reactions
energy forming bonds that releases energy.
a substance that is the result of the chemical change.
increasing favors to the reaction that takes in energy

15 Clues: changes the rate of chemical reactions • energy forming bonds that releases energy. • a substance that undergoes a chemical change. • when you only deal with doubles that are together • when reaction and it's reverse act at the same rate • increasing favors the reaction that produces less gas • when you only deal with singles that are by themselves • ...

8th Grade Test Review 2023-11-16

Across

results when a change takes place that does not change the substances' molecules
a state of matter where molecules move or flow together
on the left of a chemical equation, what goes into the reaction
describes its ability to change into different substances
can be observed without changing it into another substance
anything that has mass and takes up space
ability to be flattened into thin sheets

Down

study of the properties of matter and how matter changes
on the right of a chemical equation, what comes out of the reaction
results when a reaction takes place that changes the substances' molecules
the amount of mass in a given volume
when bubble form in a chemical reaction
ability to undergo a chemical reaction
the formation of a solid in a solution
a state of matter where molecules tightly compacted together

15 Clues: the amount of mass in a given volume • ability to undergo a chemical reaction • the formation of a solid in a solution • when bubble form in a chemical reaction • ability to be flattened into thin sheets • anything that has mass and takes up space • a state of matter where molecules move or flow together • study of the properties of matter and how matter changes • ...

Conservation of Mass 2025-10-27

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A substance made of two or more elements that are chemically combined.
The small number written after an element’s symbol that shows how many atoms of that element are in a molecule.
The amount of matter in a substance, usually measured in grams (g).
A chemical reaction in plants that uses sunlight to turn carbon dioxide and water into glucose and oxygen.
A shorthand way to show what happens in a chemical reaction using symbols and formulas.
The large number in front of a chemical formula that shows how many molecules are involved.
A one- or two-letter abbreviation for an element.
- An equation where the number of each type of atom on both sides is the same, showing mass is conserved.

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Matter cannot be created or destroyed in a chemical reaction — it only changes form.
During a reaction, bonds break and new bonds form, but the atoms themselves are not created or destroyed — only rearranged.
A process in which atoms are rearranged to form one or more new substances.
A chart that organizes all known elements by their atomic number, symbol, and properties.
The starting substances in a chemical reaction — found on the left side of a chemical equation.
The new substances formed — found on the right side of a chemical equation.
Number The number of protons in an atom’s nucleus.
The smallest unit of matter that still has the properties of an element.
Two or more atoms bonded together.
A pure substance made of only one kind of atom.

18 Clues: Two or more atoms bonded together. • A pure substance made of only one kind of atom. • A one- or two-letter abbreviation for an element. • Number The number of protons in an atom’s nucleus. • The amount of matter in a substance, usually measured in grams (g). • A substance made of two or more elements that are chemically combined. • ...

Chemistry Bonus 2024-05-01

Across

what goes into a chemical reaction
force of attraction or repulsion
mixture of two or more substances
group with the highest ionization energy
conversion of an element into an oxide
converting units to another unit
formed by gain or loss of electrons
the most important digits in a number
pure substance containing the same number of chemical units
result of a chemical reaction
state of being exact

Down

table that organizes elements
atoms ability to attract shared electrons
liquid turns into a solid
substance of two or more chemical elements
smallest unit of life
liquid turns into a gas
gives off heat
state of being correct
absorbs heat

20 Clues: absorbs heat • gives off heat • state of being exact • smallest unit of life • state of being correct • liquid turns into a gas • liquid turns into a solid • table that organizes elements • result of a chemical reaction • force of attraction or repulsion • converting units to another unit • mixture of two or more substances • what goes into a chemical reaction • ...

9-12.P.1.4 2014-01-30

Across

a chemical reaction in which two or more substances combine to forrm a different substance
a chemical reaction in which a substance breaks down into two or more simpler substances
new substances formed as a result of a chemical reaction
matter that is a combination of atoms of two or more elements
a neutral group of atoms that are joined together by one or more covalent bonds
in a chemical equation, a number to the left of each reactant and product that shows the relative amount of each substance involved in the reaction
a chemical reaction in which the positive ions in two or more substances trade places

Down

a chemical reaction in which one element replaces another element in a compound
rapid oxidation, or burning
in a chemical reaction, the substance you start with before the reaction
an amount of a substance that contains approximately 6.02 X 10^23 particles of the substance

11 Clues: rapid oxidation, or burning • new substances formed as a result of a chemical reaction • matter that is a combination of atoms of two or more elements • in a chemical reaction, the substance you start with before the reaction • a chemical reaction in which one element replaces another element in a compound • ...

Chapter 7 Vocab 2023-01-06

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reactions that occur when two different atoms or molecules interact to form a different molecule or compound.
any chemical reaction that absorbs heat from its environment.
reactions that involve the transfer of electrons from one species to another.
any item or service you sell to serve a customer's need or want.

Down

symbolic representation of a chemical reaction in the form of symbols and formulae, wherein the reactant entities are given on the left-hand side and the product entities on the right-hand side.
a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame.
a substance that enters into and is altered in the course of a chemical reaction.
a chemical reaction in which one element replaces another in a compound.
processes in which chemical species break up into simpler parts.
the amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kilogram of carbon 12
Energy stored in the bonds of chemical compounds.
a reaction in which energy is released in the form of light or heat.
a number or symbol by which another number or symbol (as a mathematical variable) is multiplied.
occur when parts of two ionic compounds are exchanged, making two new compounds.
the mass in grams of one mole of a substance.

15 Clues: the mass in grams of one mole of a substance. • Energy stored in the bonds of chemical compounds. • any chemical reaction that absorbs heat from its environment. • processes in which chemical species break up into simpler parts. • any item or service you sell to serve a customer's need or want. • ...

Energy changes 2021-10-27

Across

During an exothermic reaction the temperature _______
The ______ process is heat taken in
Potassium+water-->Potassium hydroxide+____
An exothermic reaction is the one in which heat energy is _____
Word equation for the charcoal burns /carbon+oxygen=carbon ____/
______ change is endothermic reaction
When metal react with _____ heat energy is given out

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An endothermic process is a process in which energy is _____
Calcium hydrogen carbonate+citric acid-->calcium nitrate+carbon dioxide+_____
An _______ reaction is a chemical reaction in which energy is taken in
Combustion is an ________ reaction
Any reaction where a substance combines with oxygen is an ________
When we ____ water the heat is given out
Burning is a chemical reaction in which a substance combines with _____
During an endothermic reaction the temperature ______

15 Clues: Combustion is an ________ reaction • The ______ process is heat taken in • ______ change is endothermic reaction • When we ____ water the heat is given out • Potassium+water-->Potassium hydroxide+____ • When metal react with _____ heat energy is given out • During an exothermic reaction the temperature _______ • During an endothermic reaction the temperature ______ • ...

Enzymes 2023-06-03

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enzyme stops working due to too high temperature/ or extreme ph
food we eat c—-
temperature; Ph;substrate and enzyme concentration are all l_ f_ in enzyme activity
higher substrate c___ increases enzyme activity
Food we eat p-
Food we eat l—-
affects enzyme activity -t___

Down

Speed up chemical reactions
Molecule/s taking part in chemical reaction
One way to measure the rate of chemical reaction: the rate at which p ___ is formed
One way to measure the rate of chemical reaction: the rate at which reactant is used up
affects enzyme activity
an enzyme is a biological ————, it speeds up chemical reactions
theory for how enzymes work
where substrate attaches

15 Clues: Food we eat p- • food we eat c—- • Food we eat l—- • affects enzyme activity • where substrate attaches • Speed up chemical reactions • theory for how enzymes work • affects enzyme activity -t___ • Molecule/s taking part in chemical reaction • higher substrate c___ increases enzyme activity • enzyme stops working due to too high temperature/ or extreme ph • ...

Chapter 10 Lesson 1 & 2 Vocabulary Review 2025-03-19

Chapter 10 Lesson 1 & 2 Vocabulary Review crossword puzzle

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– A reaction where elements switch places in a compound.
– A chemical reaction that involves oxygen and produces heat or light.
– A symbolic representation of a chemical reaction using formulas.
– The starting substance in a chemical reaction.
– A type of reaction where a compound breaks down into simpler substances.

Down

– A substance formed in a chemical reaction.
– A reaction where two or more substances combine to form a new compound.
– A process in which substances change to form new substances.
– A number placed before a chemical formula to balance an equation.
– A chart organizing all known elements by their properties.
– The measure of the amount of matter in an object.

11 Clues: – A substance formed in a chemical reaction. • – The starting substance in a chemical reaction. • – The measure of the amount of matter in an object. • – A reaction where elements switch places in a compound. • – A chart organizing all known elements by their properties. • – A process in which substances change to form new substances. • ...

Chemical Reactions Cross Word 2023-12-11

Chemical Reactions Cross Word crossword puzzle

Across

rate of a reaction
matter that has the same fixed composition and properties
mixture where substances aren't evenly mixed
an enzyme
release heat
substance that forms as a result
substance that speeds up a chemical reaction
the substance that is dissolved

Down

mixture where substances are evenly mixed
the substance that dissolves the solute
absorbs heat
substance that exists before the reaction
a substance that slows down a chemical reaction
the amount of substance present in a certain volume
large protein molecules that speed up reaction needed for working cells

15 Clues: an enzyme • absorbs heat • release heat • rate of a reaction • the substance that is dissolved • substance that forms as a result • the substance that dissolves the solute • mixture where substances are evenly mixed • substance that exists before the reaction • mixture where substances aren't evenly mixed • substance that speeds up a chemical reaction • ...

Chemical Reactions 2020-03-30

Across

special name given to the arrow in a chemical reaction
both positive cations trade places with each other
solid formed by the addition of two solutions
the breakdown of one substance into simpler ones
the combination of substances to form one compound
speeds up a chemical reaction

Down

one cation takes the place of another in a compound
resulting substances of a chemical reaction
elements, compounds or molecules joined in a chemical reaction
used to balance chemical equations
reaction in which oxygen is a reactant and carbon dioxide and water are the resulting products
small number indicating the number of atoms of an element in a compound

12 Clues: speeds up a chemical reaction • used to balance chemical equations • resulting substances of a chemical reaction • solid formed by the addition of two solutions • the breakdown of one substance into simpler ones • both positive cations trade places with each other • the combination of substances to form one compound • one cation takes the place of another in a compound • ...

Chapter 8 Vocabulary 2021-02-16

Across

decomposition of a substance by electrical means.
large amounts of heat and light are released when a substance combines with oxygen in this form of reaction
equation with words that represents the reactants and products in a chemical reaction.
a new compound is formed by two or more substances in this type of reaction.
time when an element in a compound is replaced with another similar element.
a solid separated by a chemical solution by physical or chemical change.
two or more simpler substances are produced when a single compound undergoes a reaction in this type of reaction.

Down

two new compounds are formed when ions of two compounds exchange places in an aqueous solution.
equation which can go either way.
a small whole number that appears in front of the chemical equation.
equation that represents the reactants and products of chemical reactions with symbols and formulas
symbolic representation of a chemical reaction in the form of symbols with the reactants on the left and the product on the right.
list of the ease with which certain elements go through certain chemical reactions.

13 Clues: equation which can go either way. • decomposition of a substance by electrical means. • a small whole number that appears in front of the chemical equation. • a solid separated by a chemical solution by physical or chemical change. • a new compound is formed by two or more substances in this type of reaction. • ...

Chemistry - You don't 2017-03-03

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Group 17 on the Periodic Table and are all non-metals
This process that leads to the transformation of one set of chemical substances to another
This dioxide id naturally occurring oxide of titanium, chemical formula TiO2
A state of matter in which cohesive force is less than or equal to the separating force
The measure of acidity (or basicity) of a solution
A device used to measure the pressure in the atmosphere
Latin name of the halogen element iodine
An alloy of iron and other elements
The branch of chemistry concerned with the chemical effects of light
The phase change from a solid to a liquid

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This is a subatomic particle
It is a substance or compound added to a system to cause a chemical reaction
A unit to measure pressure
International Union of Pure and Applied Chemistry
An organic compound with the formula (CH2)2(CH)4
The property of some chemical elements to exist in two or more different forms
An inorganic chemical with the chemical formula P2
The increase in the rate of a chemical reaction due to the participation of an additional substance called ...
A chemical element with atomic number 15
A polyhedron composed of four triangular faces, six straight edges, and four vertex corners
The part of the solution that dissolves the solute (H2O in saline water)
It is a chemical element with atomic number 8

22 Clues: A unit to measure pressure • This is a subatomic particle • An alloy of iron and other elements • A chemical element with atomic number 15 • Latin name of the halogen element iodine • The phase change from a solid to a liquid • It is a chemical element with atomic number 8 • An organic compound with the formula (CH2)2(CH)4 • ...

12 science vocab word 2023-11-15

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an observable characteristic of an object - can be chemical or physical
the amount of matter something has
is a small piece of matter
A chemical reaction in which heat is released
somthing that is made from somthing else
when chemical reaction heat is absorded

Down

The building block of matter
A substance that takes part in and undergoes change during a chemical reaction
A model of the electron cloud
An insoluble solid formed from a chemical reaction
when an atom has more electrons than protons
A negative charge in a atom

12 Clues: is a small piece of matter • A negative charge in a atom • The building block of matter • A model of the electron cloud • the amount of matter something has • when chemical reaction heat is absorded • somthing that is made from somthing else • when an atom has more electrons than protons • A chemical reaction in which heat is released • ...

The chemical reaction vocab 2023-01-23

The chemical reaction vocab crossword puzzle

Across

an object,diagram,or computer program
a structre formed by repeating groups of atoms
the relat
something that is made of all the same atoms
able to cause damage
a starting substance that is part of a chemical reaction
when water gets hot

Down

something that can be observed
an ending substance that is made during a chemical reaction
the temp at which a substance changes from solid to liquid
a group of atoms joined together
a substance that is added to soil to help plants grow
a process in attoms rearrange to for another substance
everything is made of it
the relative size of something
number of atoms that repeat to make substance
to change the order or posotion of something

17 Clues: the relat • when water gets hot • able to cause damage • everything is made of it • something that can be observed • the relative size of something • a group of atoms joined together • an object,diagram,or computer program • something that is made of all the same atoms • to change the order or posotion of something • number of atoms that repeat to make substance • ...

Ch. 6 Crossword David Ziayee 2024-09-27

Ch. 6 Crossword David Ziayee crossword puzzle

Across

Class of enzyme involved in shifting functional groups
A non-protein molecule required for enzyme activity
Molecule that undergoes a chemical change in an enzyme-catalyzed reaction
Enzyme that rearranges atoms within a molecule
Substance that lowers the energy barrier of a reaction
Thermodynamic function related to spontaneity
Enzyme that joins two molecules together
Free-energy change of a reaction informs about this
A chemical that mimics the transition state to inhibit enzymes
Enzymes that transfer electrons between molecules

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Enzyme specificity demonstrated by proteolytic enzymes
The overall rate of an enzyme-catalyzed reaction
Type of reaction enzyme that cleaves bonds with water
Intermediate state during a reaction catalyzed by an enzyme
Enzyme active region
First step in enzymatic catalysis
Highly specific proteins that catalyze reactions
Process enzymes speed up without changing themselves
Enzyme class involved in the breaking of bonds without water

19 Clues: Enzyme active region • First step in enzymatic catalysis • Enzyme that joins two molecules together • Thermodynamic function related to spontaneity • Enzyme that rearranges atoms within a molecule • The overall rate of an enzyme-catalyzed reaction • Highly specific proteins that catalyze reactions • Enzymes that transfer electrons between molecules • ...

9-12.P.1.4 2014-01-30

Across

in a chemical reaction, the substance you start with before the reaction
in a chemical equation, a number to the left of each reactant and product that shows the relative amount of each substance involved in the reaction
a chemical reaction in which the positive ions in two or more substances trade places
a chemical reaction in which a substance breaks down into two or more simpler substances

Down

new substances formed as a result of a chemical reaction
a chemical reaction in which one element replaces another element in a compound
a chemical reaction in which two or more substances combine to forrm a different substance
rapid oxidation, or burning
an amount of a substance that contains approximately 6.02 X 10^23 particles of the substance
matter that is a combination of atoms of two or more elements
a neutral group of atoms that are joined together by one or more covalent bonds

Chemistry Vocab 2018-02-05

Across

the process or result of joining two or more things together to form a single entity
of a reaction or process accompanied by or requiring the absorption of heat
the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors
a form of energy associated with the movement of atoms and molecules in any material
energy cannot be created or destroyed, it can only be transformed from one form to another
a reaction or process accompanied by the release of heat
an apparatus for measuring the amount of heat involved in a chemical reaction or other process
heat the heat required to raise the temperature of the unit mass of a given substance by a given amount
states that regardless of the multiple stages or steps of a reaction, the total enthalpy change for the reaction is the sum of all changes
the energy needed to raise the temperature of 1 gram of water through 1 °C

Down

energy stored in the chemical bonds of a substance
the measure of bond strength in a chemical bond
the degree or intensity of heat present in a substance or object
a thermodynamic quantity equivalent to the total heat content of a system
the process of measuring the amount of heat released or absorbed during a chemical reaction
energy that an object possesses by virtue of being in motion
the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions
a phase transition from the liquid phase to vapor
A unit of energy in the SI system. One joule is 1 kg. m2/s2 which is also 0.2390 calorie
power derived from the utilization of physical or chemical resources, especially to provide light and heat

20 Clues: the measure of bond strength in a chemical bond • a phase transition from the liquid phase to vapor • energy stored in the chemical bonds of a substance • a reaction or process accompanied by the release of heat • energy that an object possesses by virtue of being in motion • the degree or intensity of heat present in a substance or object • ...

Unit 3 Interactions with matter 2022-03-17

Unit 3 Interactions with matter crossword puzzle

Across

A base that produces many hydroxide ions when it is dissolve in water.
The gradual wearing away of a metal due to a chemical reaction in which the metal is changed into a metallic compound.
Also known as an alkaline solution, is a solution with a pH of 7 or more.
The substance in a solution that is dissolved.
The process by which one of more substances are transformed into different chemical substances.
A chemical reaction in which energy is absorbed.
Produces a small number of hydrogen ions when dissolved in water.
The amount of energy needed to start a chemical reaction.
A homogenous mixture of two or more substances.
The reaction between an acid and a base that yields water.
A base that produces a small amount of hydroxide ions when it is dissolved in water.
a measure of the amount of solute needed to make a saturated solution using a given amount of solvent.
A substance that has molecules whose electric charges are unequally distributed, so opposite sides of the molecules have opposite charges.
A method by which a solution of a known concentration is used to determine the unknown concentration of a second solution.
A compound that releases hydroxide ions when dissolved in water.
The substances formed from a chemical reaction
A solution in which water is the solvent.
The substances present before a reaction occurs.
A substance that has molecules whose electric charges are equally distributed.
Two or more gases mixed together.
A mixture of chemicals that conducts an electric current.
The process of removing salt from the ocean to obtain fresh water for drinking, irrigation or industrial use.
The substance in a solution that is present in the largest amount and acts as the dissolving agent.

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A solution containing more dissolved solute than a normal saturated solution under the same condition.
A solution containing a large amount of solute.
A solution in which a solid, gas or other liquid is dissolved into a liquid solvent.
A solution containing a small amount of solute.
A substance that changes colour in the presence of an acid or a base.
The result of sulfur dioxide and nitrogen oxides reacting in the atmosphere with water and returning to Earth as rain, fog, snow, sleet or dew
The maximum solute a solvent can hold at a given temperature and pressure.
rate A measure of how rapidly a reaction takes place.
A measure of the amount of solute dissolved in a certain amount of solvent.
A description using chemical symbols and formulas to show the reactants and products in a chemical reaction.
Reactions that take place with so little activation energy it seems as though none was used.
A chemical reaction in which energy—usually in the form of heat or light—is released.
Able to burn or eat away by chemical action.
A solid that can be dissolved into water to form an aqueous solution.
a substance used to slow down or stop a chemical reaction.
A substance that increases the reaction rate without being permanently changed.
A compound that releases hydroxide ions when dissolved in water.
Is a solution with a pH less than 7.
Is an acid that produces many hydrogen ions when it is dissolved in water.
A scale that measures the acidity of a solution.
A solid solution made of two or more metals or of a metal and nonmetal.
A solution containing less solute than a saturated solution.
The amount of salt in ocean water.
A compound formed from the positive ions of a base and the negative ions of an acid.

47 Clues: Two or more gases mixed together. • The amount of salt in ocean water. • Is a solution with a pH less than 7. • A solution in which water is the solvent. • Able to burn or eat away by chemical action. • The substance in a solution that is dissolved. • The substances formed from a chemical reaction • A solution containing a large amount of solute. • ...

Reactivity Key Words 2023-11-11

Across

Chemicals present at the end of a reaction
A physical change is ________
Chemicals present at the start of a reaction
Formation of a solid when two liquids chemically join
Made up of only one type of atom

Down

Gas produced during a chemical reaction
A chemical reaction is ________
Broken during a chemical reaction
A ______ change is one in which no new substances are made
Substances which are formed by two or more different types of elements
In a _______ reaction a new substance is always produced

11 Clues: A physical change is ________ • A chemical reaction is ________ • Made up of only one type of atom • Broken during a chemical reaction • Gas produced during a chemical reaction • Chemicals present at the end of a reaction • Chemicals present at the start of a reaction • Formation of a solid when two liquids chemically join • ...

Chemisty Crossword 2017-11-10

Across

mass of atom
group of atoms joined by covalent bonds
an experiment in which one or more products of a chemical reaction can escape
combination of pure substances; unlike a compound, the components of a mixture do not combine chemically and are not always in the same ratio
a system of easy to see warning symbols on hazardous materials
cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out
number of protons in the nucleus of one atom of an element
substance that reacts with another substance or substances in a chemical reaction to create new substance with different properties
a table in which the elements are organised by their physical and chemical change
pure substance formed when nonmetals combine
an atom that has become electrically charged because it lost or gained electrons
orbit of electrons around the nucleus of an atom

Down

new substance produced in a chemical reaction between reactants
an experiment in which all reactants and all products of a chemical reaction are accounted for
substance made of only one kind of matter, which has unique set of properties
amount of mass in a given volume
reaction that takes place when two or more substances react to for a new substance
The smallest part of an element that is representative of that element
chemical reaction that releases energy
cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
invisible negatively charged particle that orbits the nucleus of an atom
heterogeneous mixture; mixture in which the different substances that make up the mixture as visible
change that results when two or more substance react to create a different substance
the most reactive non-metals
homogeneous mixture; mixture of two or more pure substances that looks like one substance

25 Clues: mass of atom • the most reactive non-metals • amount of mass in a given volume • chemical reaction that releases energy • group of atoms joined by covalent bonds • pure substance formed when nonmetals combine • orbit of electrons around the nucleus of an atom • number of protons in the nucleus of one atom of an element • ...

Vocab Crossword Puzzle 2024-05-01

Across

A substance produced by a living organism which acts as a Catalyst to bring about a specific bio chemical reaction.
Chemical element number six, a nonmetal which has two forms(diamond and graphite)
A group of compounds that store energy, signal, and act as structural components of cell membranes.
The chemical breakdown of a compound due to reaction with water.
The minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
A group of organic compounds that include sugars, starch, and cellulose and used as structural materials and for energy storage within living tissues.
A substance on which an enzyme acts.
An organic substance in living cells, especially DNA and RNA which consists of nucleotides in a long chain.
A molecule that can be bonded to other identical molecules to form a polymer.
A carboxylic acid consisting of a hydrocarbon chain and a terminal carboxyl group, especially any of those occurring as esters in fats and oils.
A molecule that contains nitrogen and has the chemical properties of a base.
A substance that increases the rate of chemical reaction without its self undergoing any permanent chemical change.
A region on an enzyme that binds to a protein or other substances during a reaction.

Down

A pentose(five–carbon sugar) biological molecule.
A molecule that is produced by a living organism.
Large biomolecules and micro molecules that comprise one or more long chains of amino acid residues.
A thing or a person that is the result of an action or process.
The building blocks of polypeptides and proteins and play important roles in metabolic pathway, gene expression, and cell signal transduction regulation.
A substance of very large molecules called macromolecules composed of repeating subunits.
A substance that takes part in and undergoes change during a reaction.

20 Clues: A substance on which an enzyme acts. • A pentose(five–carbon sugar) biological molecule. • A molecule that is produced by a living organism. • A thing or a person that is the result of an action or process. • The chemical breakdown of a compound due to reaction with water. • A substance that takes part in and undergoes change during a reaction. • ...

Chemistry of Life- Enzymes 2022-11-30

Chemistry of Life- Enzymes crossword puzzle

Across

Elements or compounds that are produced during a chemical reaction.
Energy it takes to get a reaction started.
Elements or compounds that enter a chemical reaction.
Substance that speeds up a chemical reaction.
Building block for nucleic acids.
Building block for proteins.
Biological catalyst.
Model for describing how enzymes and substrates fit together.

Down

Name for reactants in an enzymatic reaction.
Building block for carbohydrates.
Building block for lipids.
Type of macromolecule enzymes typically are.
Process that changes one set of chemicals into another.

13 Clues: Biological catalyst. • Building block for lipids. • Building block for proteins. • Building block for carbohydrates. • Building block for nucleic acids. • Energy it takes to get a reaction started. • Name for reactants in an enzymatic reaction. • Type of macromolecule enzymes typically are. • Substance that speeds up a chemical reaction. • ...

CHEMICAL REACTIONS YR. 9 2020-08-13

CHEMICAL REACTIONS YR. 9 crossword puzzle

Across

energy in animal cells.
- These chemical compounds turn Universal
- An endothermic process carried out by
yellow to red.
- These chemical compounds turn Universal
an acid or a base.
- The symbol O represents the chemical
blue to purple.
to produce glucose and oxygen.
- A chemical reaction which off heat.
__

Down

together in a fixed ratio.
- A reverse process to photosynthesis
- Substances that turn Universal Indicator green
are said to be ____________.
- Substances that tell us whether a substance
- A chemical reaction which takes in heat.
- Two or more atoms of the SAME element
- Two or more atoms of DIFFERENT elements
together to form a _________.
- A type of indicator.

21 Clues: __ • yellow to red. • blue to purple. • an acid or a base. • - A type of indicator. • energy in animal cells. • together in a fixed ratio. • are said to be ____________. • together to form a _________. • to produce glucose and oxygen. • - A reverse process to photosynthesis • - A chemical reaction which off heat. • - The symbol O represents the chemical • ...

Matter: Property and Changes 2023-09-15

Matter: Property and Changes crossword puzzle

Across

the amount of space a substance takes up
the ability of a type of matter to burn easily
law that states that energy is always transferring but energy is not created or destroyed
a starting substance in a chemical reaction
occurs when substances react with oxidizing agents changing to a new substance
a change in matter in which the substances that make up the matter change into other substances with different chemical and physical properties
the amount of matter in an object
a number placed in front of an element symbol or chemical formula in an equation

Down

a characteristic of matter that can be observed as it changes into a different type of matter
law that states that the total mass of the reactants before a chemical reaction is the same as the total mass of the products after the chemical reaction
the mass per unit volume of a substance
a substance produced by a chemical reaction
the energy released when atoms form bonds
reaction more energy is released when the products form than is required to break the bonds in the reactants
substance that gains an electron
more energy is required to break the bonds of the reactants than is released when products form
a characteristic of matter that can be observed or measured without changing the identity of the matter
a process in which atoms of one or more substances rearrange to form one or more new substances
occurs when a substance reacts with another substance changing it to a new substance

19 Clues: substance that gains an electron • the amount of matter in an object • the mass per unit volume of a substance • the amount of space a substance takes up • the energy released when atoms form bonds • a substance produced by a chemical reaction • a starting substance in a chemical reaction • the ability of a type of matter to burn easily • ...

Chemical Reactions & Energy Puzzle 2024-11-18

Chemical Reactions & Energy Puzzle crossword puzzle

Across

Someone who solves problems by designing, building, and improving products
All the things our design needs to do or have-The requirements
The systematic process of investigating a specific question to find answers
The ability to dissolve in a liquid
Anything that takes up space and has weight
How easily a liquid flows, or resistance to flow
The characteristics of a substance
The curved surface of a liquid within a container
The inability to dissolve in a liquid
A form of energy

Down

A chemical reaction that absorbs heat
A chemical reaction that releases heat
The substance that is formed after a chemical reaction
The starting substances used to cause a chemical reaction
How much matter is packed into the volume of a substance or object
All the things our design does not need to do or have-The limits
The building blocks of all the matter in the universe
Atoms that make up a pure ingredient
The result of 2 or more atoms that come together to form a new substance

19 Clues: A form of energy • The characteristics of a substance • The ability to dissolve in a liquid • Atoms that make up a pure ingredient • A chemical reaction that absorbs heat • The inability to dissolve in a liquid • A chemical reaction that releases heat • Anything that takes up space and has weight • How easily a liquid flows, or resistance to flow • ...

BONUS - Enzymes 2023-12-04

Across

this is the enzyme that breaks down lactose
anything that has mass and takes up space
what unit do we use to measure acidity or alkalinity
this is the destroying of an enzyme by changing heat or acidity
this is the location on an enzyme where a substrate binds
when one set of chemicals gets changed into another set of chemicals
an organism's ability to maintain stable, internal conditions

Down

this is the name of a molecule that interacts with an enzyme
this is what an enzyme lowers in order to kickstart a chemical reaction
the generic name given to a chemical that goes INTO a chemical reaction
a pure substance that cannot be broken down into another substance in a chemical reaction
the generic name given to a chemical that comes OUT of a chemical reaction
All chemical reactions need ______ to happen; some need a little, some need a lot
this is a protein catalyst made by living things to catalyze chemical reactions

14 Clues: anything that has mass and takes up space • this is the enzyme that breaks down lactose • what unit do we use to measure acidity or alkalinity • this is the location on an enzyme where a substrate binds • this is the name of a molecule that interacts with an enzyme • an organism's ability to maintain stable, internal conditions • ...

Chemistry - You don't 2017-03-03

Across

Group 17 on the Periodic Table and are all non-metals
This process that leads to the transformation of one set of chemical substances to another
This dioxide id naturally occurring oxide of titanium, chemical formula TiO2
A state of matter in which cohesive force is less than or equal to the separating force
The measure of acidity (or basicity) of a solution
A device used to measure the pressure in the atmosphere
Latin name of the halogen element iodine
An alloy of iron and other elements
The branch of chemistry concerned with the chemical effects of light
The phase change from a solid to a liquid

Down

This is a subatomic particle
It is a substance or compound added to a system to cause a chemical reaction
A unit to measure pressure
International Union of Pure and Applied Chemistry
An organic compound with the formula (CH2)2(CH)4
The property of some chemical elements to exist in two or more different forms
An inorganic chemical with the chemical formula P2
The increase in the rate of a chemical reaction due to the participation of an additional substance called ...
A chemical element with atomic number 15
A polyhedron composed of four triangular faces, six straight edges, and four vertex corners
The part of the solution that dissolves the solute (H2O in saline water)
It is a chemical element with atomic number 8

Reactions and Balancing Equations 2022-05-11

Reactions and Balancing Equations crossword puzzle

Across

an equation represents a chemical reaction using the names of the substances involved
an insoluble solid that emerges from a liquid solution
a reaction in which one element is substituted for another element in a compound
a type of ordering system for elements, which ranks how reactive a certain element is in relation to other elements.
a reaction in which one reactant breaks down into two or more products
number placed in front of a formula to balance a chemical equation.
a reaction in which the products can be changed back into the original reactants

Down

a reaction in which two elements are substituted for another element in a compound
a number assigned to an element in chemical combination which represents the number of electrons lost
a reaction that occurs when two different atoms or molecules interact to form a different molecule or compound
an equation representing a _____ reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product.
a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame
an equation that represents the reactants and products of a chemical reaction by their symbols or formulas

13 Clues: an insoluble solid that emerges from a liquid solution • number placed in front of a formula to balance a chemical equation. • a reaction in which one reactant breaks down into two or more products • a reaction in which one element is substituted for another element in a compound • ...

Chapter 6+7 2023-11-07

Across

- a representation of a chemical reaction in which the reactants and products are expressed as formulas
- new substances formed as a result of a chemical reaction
- an ion with a positive charge
- a neutral group of atoms that are joined together by one or more covalent bonds
- a mixture of two or more elements, at least one of which is a metal, that has the characteristic properties of a metal
- an ion with a negative charge
- a chemical reaction in which a compound breaks down into two or more simpler substan
- a chemical bond in which two atoms share a pair of valence electrons

Down

- a substance that undergoes change in a chemical reaction
- an atom or group of atoms that has a positive or negative charge
- a chemical reaction in which two or more substances react to form a single substance
- notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound
- the force that holds cations and anions together
- the attraction between a metal cation and the shared electrons that surround it
- the force that holds atoms or ions together as a unit
diagram - a diagram of an atom, ion or molecule in which each dot represents a valence electron
- numbers that appear before a formula in a chemical equation to show the relative proportions of each reactant and product

17 Clues: - an ion with a positive charge • - an ion with a negative charge • - the force that holds cations and anions together • - the force that holds atoms or ions together as a unit • - a substance that undergoes change in a chemical reaction • - new substances formed as a result of a chemical reaction • - an atom or group of atoms that has a positive or negative charge • ...

Reactions 2015-04-20

Across

The state of a chemical reaction when the concentrations of the products and reactants are unchanged over time.
A chemical reaction between two compounds where the positive ion of one compound is exchanged with the positive ion of another compound.
Matter is neither created nor destroyed, so we must have the same number and type of atoms after the chemical change as were present before the chemical change.
Are used to describe saturated solutions of ionic compounds of relatively low solubility.
A combustion reaction is a type of chemical reaction where a compound and an oxidant is reacted to produce heat and a new product
A type of chemical reaction that involves a transfer of electrons between two species.

Down

A type of oxidation-reduction chemical reaction when an element or ion moves out of one compound and into another
The property of a solid, liquid, or gaseous chemical substance called solute to dissolve in a solid, liquid, or gaseous solvent to form a homogeneous solution of the solute in the solvent.
A solution in which the solvent is water.
A decomposition reaction is a type of chemical reaction where one reactant yields two or more products.
Formation of a chemical compound through the combination of simpler compounds or elements. synthesize verb.
Equations that show only the soluble, strong electrolytes reacting (these are represented as ions) and omit the spectator ions, which go through the reaction unchanged.

12 Clues: A solution in which the solvent is water. • A type of chemical reaction that involves a transfer of electrons between two species. • Are used to describe saturated solutions of ionic compounds of relatively low solubility. • A decomposition reaction is a type of chemical reaction where one reactant yields two or more products. • ...

Chemical Reactions 2023-11-17

Across

the starting materials of a reaction
tells how many atoms have bonded together
process by which one or more substances change to produce one or more different substances
mass cannot be created or destroyed in a normal chemical reaction
one compound breaks down to form 2 or more simpler substances
2 or more substance combine to form a new compound

Down

a reaction in which 2 ions switch places, usually forms a gas or precipitate
a combination of chemical symbols and numbers to represent a substance
a reaction in which one element takes the place of another element
the substance that forms in a chemical reaction
a solid produced in a chemical reaction
the number in front of a chemical formula

12 Clues: the starting materials of a reaction • a solid produced in a chemical reaction • tells how many atoms have bonded together • the number in front of a chemical formula • the substance that forms in a chemical reaction • 2 or more substance combine to form a new compound • one compound breaks down to form 2 or more simpler substances • ...

M3 Chemistry 2025-11-20

Across

The substances that are made in a reaction.
The subatomic particle with a neutral charge.
The subatomic particle with a positive charge.
The smallest particle of matter that still maintains its propertires.
The substances that go into a chemical reaction.
The way to write out a chemical reaction.
The combination of letters and numbers that represents a compound or molecule.
The big number that represents how many molcules are present.

Down

The law of _____________ says matter cannot be created or destroyed.
Substances put together but not chemically attached.
A single type of chemical.
Multiple atoms bonded together.
Where you can find all of the different types of chemical building blocks organized.
H2O
The small number that you are not allowed to change!
What holds molecules and compounds together.
CO2
Multiple atoms of different types bonded together.
The subatomic particle with a negative charge.

19 Clues: H2O • CO2 • A single type of chemical. • Multiple atoms bonded together. • The way to write out a chemical reaction. • The substances that are made in a reaction. • What holds molecules and compounds together. • The subatomic particle with a neutral charge. • The subatomic particle with a positive charge. • The subatomic particle with a negative charge. • ...

Corey Patterson Chapter 13 2016-10-12

Corey Patterson Chapter 13 crossword puzzle

Across

Description of a substance that can behave as either an acid or a base
A representation of a chemical reaction in which reactants are written to the left of an arrow that points toward the products on the right
Description of a solution in which the hydroxide ion concentration is higher than the hydronium ion concentration; also sometimes called alkaline
A rapid exothermic oxidation-reduction reaction between a material and molecular oxygen
A polyatomic ion made by adding a proton (hydrogen ion) to a water molecule
Any substance that increases the rate of a chemical reaction without itself being consumed by the reaction
A substance that accepts hydrogen ions
The amount of energy required to pull two bonded atoms apart, which is the same as the amount of energy released when the two atoms are brought into a bond

Down

Description of a chemical reaction in which there is a net absorption of energy
Description of a chemical reaction in which there is a net release of energy
Description of a solution in which the hydronium ion concentration is higher than the hydroxide ion concentration
The deterioration of a metal, typically caused by the atmospheric oxygen.
A substance that donates hydrogen ions
The minimum energy required in order for a chemical reaction to proceed
One half of an oxidation-reduction reaction, represtented by an equation showing electrons as either reactants or products

15 Clues: A substance that donates hydrogen ions • A substance that accepts hydrogen ions • Description of a substance that can behave as either an acid or a base • The minimum energy required in order for a chemical reaction to proceed • The deterioration of a metal, typically caused by the atmospheric oxygen. • ...

donkey 2022-05-10

Across

Chemical Reaction in which energy is primarily given off in the form of heat
Formed when one or more electrons are transferred from one atom to another
A change in matter that produces one or more new substances
(of a chemical reaction or compound) occurring or formed with absorption of heat
A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
A chemical bond that involves sharing a pair of electrons between atoms in a molecule
The elements or compounds produced by a chemical reaction.

Down

A change in a substance that does not involve a change in the identity of the substance
the force that holds two atoms together
the process by which one or more substances change to produce one or more different substances
A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
A starting material in a chemical reaction
a charged atom

13 Clues: a charged atom • the force that holds two atoms together • A starting material in a chemical reaction • The elements or compounds produced by a chemical reaction. • A change in matter that produces one or more new substances • Formed when one or more electrons are transferred from one atom to another • ...

metals and non-metals crossword 2025-11-25

metals and non-metals crossword crossword puzzle

Across

A substance used up in a chemical reaction.
Two or more substances mixed, but not joined together.
Can bend without breaking.
Group 1 in the periodic table.
The tiny spheres that make up everything.
A substance made in a chemical reaction.
– Shininess.
The chemical name of reactions involving burning in oxygen.
Group 0 in the periodic table.
A shortened way to describe what is going on in a chemical reaction. Eg: hydrogen + oxygen → water.

Down

When one or more substances change into new substances – you may see a colour change, a gas given off or heat produced.
A row in the periodic table.
A group of metals in the periodic table between Group 2 and Group 3. They are hard, strong and not very reactive.
Group 7 in the periodic table.
Reaction of water, oxygen and iron to make a brown solid.
Goes “ding” when you hit it.
A substance made of just one type of atom.
A column in the periodic table.
Two or more elements joined together and so can’t be separated easily.

19 Clues: – Shininess. • Can bend without breaking. • A row in the periodic table. • Goes “ding” when you hit it. • Group 7 in the periodic table. • Group 1 in the periodic table. • Group 0 in the periodic table. • A column in the periodic table. • A substance made in a chemical reaction. • The tiny spheres that make up everything. • A substance made of just one type of atom. • ...

Mikayla Heintschel Chapter 13 2016-10-12

Mikayla Heintschel Chapter 13 crossword puzzle

Across

Anything the lowers the activation energy and gets the same reaction.
Must be added to break bonds.
Energy is transferred to reactants from surroundings.
Chemical that donates a hydrogen ion.
Chemical that accepts a hydrogen ion.
Combining 2 elements to form a larger compound.
The pH level of water is.

Down

When you add hydroxide ions.
Separating a compound in a chemical reaction.
Product side of the reaction is always an oxide.
The number of hydronium ions equals the number of hydroxide ions.
Energy transfers from reactants to surroundings.
When you add hydronium ions.
The energy stored in molecules that can be released during a reaction.
When a reaction and its reverse act at the same rate

15 Clues: The pH level of water is. • When you add hydroxide ions. • When you add hydronium ions. • Must be added to break bonds. • Chemical that donates a hydrogen ion. • Chemical that accepts a hydrogen ion. • Separating a compound in a chemical reaction. • Combining 2 elements to form a larger compound. • Product side of the reaction is always an oxide. • ...

Chemistry Review 2023-01-05

Across

a one or two letter abbreviation of an element's name
charged atom
positively charged particles in an atom
scientists who create medicines
identified by the # of protons in the nucleus
a specific pattern that repeats made by atoms and molecules that are bound together
the point at which molecules separate into a liquid

Down

the particles left behind when plastic decomposes
the substances that combine in a chemical reaction
the solute that does not dissolve in a solution
the kind of bond that makes table salt
the sum of protons and neutrons in an element
when solutes break apart and distribute throughout a solution
the substance created from a chemical reaction
the insoluble part of a chemical reaction
region of an atom that contains positively charged particles
a natural substance used to make plastics
single unit of an element
nylon, polyester, ziplocks

19 Clues: charged atom • single unit of an element • nylon, polyester, ziplocks • scientists who create medicines • the kind of bond that makes table salt • positively charged particles in an atom • the insoluble part of a chemical reaction • a natural substance used to make plastics • the sum of protons and neutrons in an element • identified by the # of protons in the nucleus • ...

Chemistry Crossword 2014-11-07

Across

Chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy.
Element that has both metallic and non-metallic properties.
Positively charged centre of an atom;contains protons and neutrons.
A reaction that takes place when two or more substances react to form new substances.
Substance that helps a chemical reaction proceed more quickly.
Change that results when two or more substances react to create a substance.
Substance that strongly resists the flow of electricity.
Principle that matter is not created or destroyed in a chemical reaction.
Atom that has become electrically charged because it has lost or gained electrons.
Combination of symbols that represent a compound.
A material that electric charge can move through easily.
Cloudy mixture in which tiny particles of one substance are held within another.
Ability of a substance to conduct electricity or heat.

Down

Colourless, odourless gas;produced by incomplete combustion of chemicals
Shiny, malleable, ductile element that conducts electricity.
Process in which molecules move from an area of higher concentration to one of lower concentration.
Amount of mass in a given volume of a substance.
Chemical reaction that takes place in cells;food
Chemical combination of two or more elements in a specific ratio.
Description of how a substance interacts with other substances,such as acids.
Energy stored in chemicals and released when chemicals react.
Group 17 elements in the periodic table.
Change of state from a gas to a solid.
Change of state from a gas to a liquid.
Slow chemical change that occurs when oxygen in the air reacts with a metal.

25 Clues: Change of state from a gas to a solid. • Change of state from a gas to a liquid. • Group 17 elements in the periodic table. • Amount of mass in a given volume of a substance. • Chemical reaction that takes place in cells;food • Combination of symbols that represent a compound. • Ability of a substance to conduct electricity or heat. • ...

Chemical Energy Cross Word 2016-05-15

Chemical Energy Cross Word crossword puzzle

Across

Humans eat _____ to create energy
An example of Chemical energy is?
The process of light being changed into Chemical Energy is called?
Energy that contains chemicals is called _____ Energy?
What is the name given to a substance that is the first thing used in a chemical reaction?
Natural ____ is an example of chemical energy that can be stored

Down

When ice is melted it turns into water, which is a?
chemical Energy can create ______ Energy?
A chemical energy and chemical reaction that happens in the sky and creates images and loud noises is called a?
A product used at home to wash the dishes that contains chemicals
When Something is hard and joined together we call it a?
Chemical energy is released in a chemical ________?
A chemical we use to cook with is called?
Something that can be transformed?

14 Clues: Humans eat _____ to create energy • An example of Chemical energy is? • Something that can be transformed? • chemical Energy can create ______ Energy? • A chemical we use to cook with is called? • When ice is melted it turns into water, which is a? • Chemical energy is released in a chemical ________? • Energy that contains chemicals is called _____ Energy? • ...

Remi Taylor chapter 13 crossword 2020-03-02

Remi Taylor chapter 13 crossword crossword puzzle

Across

the attractive force that holds atoms or ions together
during this reaction energy is released
how quickly the concentration of reactants decreases and how quickly the concentration of products increases
during this reaction energy is taken
in this chemical reaction there is an explosion

Down

during this reaction one or more new compounds are formed as a result rearrangement of atoms
in this chemical reaction the atoms decay
a chemical that accepts a hydrogen
a chemical that donates a hydrogen
Temperature, Pressure, Concentration effect this
a substance that lowers the activation energy of a chemical reaction

11 Clues: a chemical that accepts a hydrogen • a chemical that donates a hydrogen • during this reaction energy is taken • during this reaction energy is released • in this chemical reaction the atoms decay • in this chemical reaction there is an explosion • Temperature, Pressure, Concentration effect this • the attractive force that holds atoms or ions together • ...

CHEMICAL BASIS OF LIFE 2013-02-11

Across

of all chemical reactions that occur within the cell.
synthesis/a process in which water is extracted from two monosaccharide sugar molecules.
reaction in which complex chemical structures are broken down into simpler molecules
compound/compounds that contain the element carbon.
up of sugar units;most important source of energy.
by two monosaccharides.
composed of from three to several million subunits.
of the same elements having different atomic mass number.
molecule/molecules that have positive and negative ends or poles.
to do work ;it is neither created nor destroyed but simply changed.
bond/sharing of electrons.
a plant polysaccharide that makes up plant cell walls.
chemicals that have the same chemical formula but a different arrangement of molecules.

Down

small sub units that are indivisible.
sugar; glucose,fructose, and galactose.
bond/transfer of electrons.
pure substances that cannot be broken down into simpler substances.
carbohydrates formed by the union of many monosaccharide subunits.
the form of carbohydrate storage in animals.
a chemical reaction in which simple chemical substances are combined to form complex chemical reaction.

20 Clues: by two monosaccharides. • bond/sharing of electrons. • bond/transfer of electrons. • small sub units that are indivisible. • sugar; glucose,fructose, and galactose. • the form of carbohydrate storage in animals. • up of sugar units;most important source of energy. • compound/compounds that contain the element carbon. • composed of from three to several million subunits. • ...

Chemistry Vocab 2018-02-05

Across

the energy needed to raise the temperature of 1 gram of water through 1 °C
power derived from the utilization of physical or chemical resources, especially to provide light and heat
the measure of bond strength in a chemical bond
of a reaction or process accompanied by or requiring the absorption of heat
a phase transition from the liquid phase to vapor
energy cannot be created or destroyed, it can only be transformed from one form to another
an apparatus for measuring the amount of heat involved in a chemical reaction or other process
a reaction or process accompanied by the release of heat
heat the heat required to raise the temperature of the unit mass of a given substance by a given amount

Down

the process of measuring the amount of heat released or absorbed during a chemical reaction
energy stored in the chemical bonds of a substance
states that regardless of the multiple stages or steps of a reaction, the total enthalpy change for the reaction is the sum of all changes
energy that an object possesses by virtue of being in motion
the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors
a thermodynamic quantity equivalent to the total heat content of a system
the degree or intensity of heat present in a substance or object
the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions
A unit of energy in the SI system. One joule is 1 kg. m2/s2 which is also 0.2390 calorie
the process or result of joining two or more things together to form a single entity
a form of energy associated with the movement of atoms and molecules in any material

Chemistry Vocab 2018-02-05

Across

A unit of energy in the SI system. One joule is 1 kg. m2/s2 which is also 0.2390 calorie
an apparatus for measuring the amount of heat involved in a chemical reaction or other process
a thermodynamic quantity equivalent to the total heat content of a system
the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors
the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions
energy cannot be created or destroyed, it can only be transformed from one form to another
the process or result of joining two or more things together to form a single entity
of a reaction or process accompanied by or requiring the absorption of heat
heat the heat required to raise the temperature of the unit mass of a given substance by a given amount
the measure of bond strength in a chemical bond

Down

energy stored in the chemical bonds of a substance
the energy needed to raise the temperature of 1 gram of water through 1 °C
the process of measuring the amount of heat released or absorbed during a chemical reaction
power derived from the utilization of physical or chemical resources, especially to provide light and heat
a reaction or process accompanied by the release of heat
energy that an object possesses by virtue of being in motion
a form of energy associated with the movement of atoms and molecules in any material
the degree or intensity of heat present in a substance or object
a phase transition from the liquid phase to vapor
states that regardless of the multiple stages or steps of a reaction, the total enthalpy change for the reaction is the sum of all changes

chemistry 2024-04-23

Across

State in which forward and reverse reactions are balanced
Force exerted by a substance per unit area
Substance present at the start of a chemical reaction
Principle stating that mass and energy are conserved in a system
Group 1 elements in the periodic table
Formula showing the simplest ratio of elements in a compound
Process of changing directly from gas to solid
Process of changing from gas to liquid
Group 18 elements in the periodic table
Speed at which a chemical reaction occurs
Substance with a bitter taste and pH greater than 7
Basic unit of matter
Substance used to show the presence of another substance
Substance dissolved in a solvent
Measure of acidity or alkalinity
Repeating pattern in the properties of elements
Process of joining atoms together
Elements in the middle of the periodic table
Horizontal row in the periodic table
Electrically charged atom or molecule
Homogeneous mixture of two or more substances
Expression representing a chemical compound
Region of space where an electron is likely to be found
Capacity to do work or produce heat
Substance made of only one type of atom
Molecule upon which an enzyme acts
State of matter
Relating to molecules
Process of changing from solid to liquid
State of matter with no fixed shape or volume
Arrangement of atoms in a molecule
Mixing of atomic orbitals
Process of reducing the concentration of a solution
Element that lacks metallic properties
Study of reaction rates
Measure of disorder in a system
Characteristic of a substance

Down

Process of changing from liquid to gas
Neutral subatomic particle found in the nucleus
Group of atoms bonded together
Substance with distinct properties and composition
Process of changing directly from solid to gas
Chart displaying chemical elements
State of matter with a fixed volume but no fixed shape
Gaseous state of a substance
Substance capable of dissolving other substances
Spontaneous emission of radiation from an unstable nucleus
Element that is typically shiny and conducts electricity
Perfect or theoretical
Process of changing from liquid to solid
Amount of solute in a solvent
Chemical reaction absorbing heat
Substance composed of two or more elements
Relating to atoms
Element with properties of both metals and nonmetals
Type of bond formed by sharing electrons
Vertical column in the periodic table
Process that involves the transformation of substances
Positively charged subatomic particle
Study of energy changes in chemical reactions
Table organizing elements by atomic number
Measure of an atom's ability to attract electrons
Group 17 elements in the periodic table
Central part of an atom containing protons and neutrons
Force holding atoms together in a molecule
Amount of matter in an object
Force exerted on an object due to gravity
Process of changing from liquid to gas
Atoms of the same element with different numbers of neutrons
Negatively charged subatomic particle
Substance that increases the rate of a chemical reaction
Bond formed by the transfer of electrons
Energy required to initiate a chemical reaction
Substance formed as a result of a chemical reaction
Substance with a sour taste and pH less than 7
State of matter with a fixed shape and volume
Chemical reaction releasing heat

77 Clues: State of matter • Relating to atoms • Basic unit of matter • Relating to molecules • Perfect or theoretical • Study of reaction rates • Mixing of atomic orbitals • Gaseous state of a substance • Amount of solute in a solvent • Amount of matter in an object • Characteristic of a substance • Group of atoms bonded together • Measure of disorder in a system • ...

Cooking chemistry science concepts. 2024-02-09

Cooking chemistry science concepts. crossword puzzle

Across

heat with gluten
Form of creating gluten
Heating of organic material
removal of hydrogen ions
uses bases to cause leavening
Cooks food
smell
Baking
gives of aroma

Down

Sugar+heat
range of acidic
browning
thicken
chemical break down
breakdown of secondary structures
movement of water
fat
absorbs moisture
mix of oil and water
sour

20 Clues: fat • sour • smell • Baking • thicken • browning • Sugar+heat • Cooks food • gives of aroma • range of acidic • heat with gluten • absorbs moisture • movement of water • chemical break down • mix of oil and water • Form of creating gluten • removal of hydrogen ions • Heating of organic material • uses bases to cause leavening • breakdown of secondary structures

Chapter 7 Reactions 2024-11-07

Across

any process that releases heat
one reactant breaks down to multiple products
more than one reactant forms one product
a chemical that speeds up a reaction but is not used up
any process that absorbs heat
a reaction requiring oxygen and releasing heat and light

Down

one element replaces another in a reaction
element or compound that undergoes a chemical reaction
elements replace each other in a reaction
energy stored in chemical bonds
something present only after a chemical reaction

11 Clues: any process that absorbs heat • any process that releases heat • energy stored in chemical bonds • more than one reactant forms one product • elements replace each other in a reaction • one element replaces another in a reaction • one reactant breaks down to multiple products • something present only after a chemical reaction • ...

Chemistry Vocab 2018-02-05

Across

states that regardless of the multiple stages or steps of a reaction, the total enthalpy change for the reaction is the sum of all changes
power derived from the utilization of physical or chemical resources, especially to provide light and heat
the process of measuring the amount of heat released or absorbed during a chemical reaction
the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions
the process or result of joining two or more things together to form a single entity
the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors
A unit of energy in the SI system. One joule is 1 kg. m2/s2 which is also 0.2390 calorie
energy that an object possesses by virtue of being in motion
a thermodynamic quantity equivalent to the total heat content of a system
a reaction or process accompanied by the release of heat
energy stored in the chemical bonds of a substance

Down

energy cannot be created or destroyed, it can only be transformed from one form to another
the degree or intensity of heat present in a substance or object
of a reaction or process accompanied by or requiring the absorption of heat
a phase transition from the liquid phase to vapor
an apparatus for measuring the amount of heat involved in a chemical reaction or other process
the energy needed to raise the temperature of 1 gram of water through 1 °C
the measure of bond strength in a chemical bond
a form of energy associated with the movement of atoms and molecules in any material
heat the heat required to raise the temperature of the unit mass of a given substance by a given amount

Chemistry Vocab 2018-02-05

Across

A unit of energy in the SI system. One joule is 1 kg. m2/s2 which is also 0.2390 calorie
the degree or intensity of heat present in a substance or object
energy that an object possesses by virtue of being in motion
a form of energy associated with the movement of atoms and molecules in any material
power derived from the utilization of physical or chemical resources, especially to provide light and heat
a thermodynamic quantity equivalent to the total heat content of a system
energy cannot be created or destroyed, it can only be transformed from one form to another
a phase transition from the liquid phase to vapor
the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors
the energy needed to raise the temperature of 1 gram of water through 1 °C
heat the heat required to raise the temperature of the unit mass of a given substance by a given amount
an apparatus for measuring the amount of heat involved in a chemical reaction or other process

Down

the process of measuring the amount of heat released or absorbed during a chemical reaction
the measure of bond strength in a chemical bond
energy stored in the chemical bonds of a substance
states that regardless of the multiple stages or steps of a reaction, the total enthalpy change for the reaction is the sum of all changes
the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions
of a reaction or process accompanied by or requiring the absorption of heat
the process or result of joining two or more things together to form a single entity
a reaction or process accompanied by the release of heat

thermochemistry 2023-04-27

Across

the process by which heat energy is transmitted through collisions between neighboring atoms or molecules.
the energy that comes from motion.
the amount of heat needed to turn 1 g of a liquid into a vapor, without a rise in the temperature of the liquid.
energy that comes from a source and travels through space at the speed of light.
the quantity of heat (J) absorbed per unit mass (kg) of the material when its temperature increases 1 K (or 1 °C).
the SI derived unit used to measure energy or work.
chemical reactions that absorb (or use) energy.
the process of measuring the amount of heat released or absorbed during a chemical reaction.
the standard unit of temperature in the metric system of units.
a chemical reaction where the substances reacting release energy as heat.

Down

the movement of heat by a moving gas or liquid.
a branch of chemistry that describes the energy changes that occur during chemical reactions.
the result of the movement of tiny particles called atoms, molecules or ions in solids, liquids and gases.
the amount of energy needed to warm 1 g of H2O by 1°C.
the energy contained within a system that is responsible for its temperature.
a substance that is formed as the result of a chemical reaction.
substances initially present in a chemical reaction that are consumed during the reaction to make products.
the quantity of heat necessary to change 1 g of a solid to a liquid with no temperature change.
the SI unit of thermodynamic temperature.

19 Clues: the energy that comes from motion. • the SI unit of thermodynamic temperature. • the movement of heat by a moving gas or liquid. • chemical reactions that absorb (or use) energy. • the SI derived unit used to measure energy or work. • the amount of energy needed to warm 1 g of H2O by 1°C. • the standard unit of temperature in the metric system of units. • ...

Unit 4 Crossword 2023-11-14

Across

Formula giving proportions of elements present
Chemical substance that neutralizes alkalis
When acid and base react to form water and a salt
Formula giving the number of atoms in element present
Start of a chemical equation
Reaction that starts with two compounds and elements in compond switch.
End of a chemical equation
Reaction where two elements are combined to a compound

Down

Showing percentages of each element in a molecule.
Molecule composed of only two atoms
Substances that react with acids
Reaction with one compound and element where element switches with element in compound
Reactions where elements are taken apart
Mass of given chemical element divided by amount of substance.
Chemical formed from rxn between acid and base
Figure expressing acidity on a scale

16 Clues: End of a chemical equation • Start of a chemical equation • Substances that react with acids • Molecule composed of only two atoms • Figure expressing acidity on a scale • Reactions where elements are taken apart • Chemical substance that neutralizes alkalis • Formula giving proportions of elements present • Chemical formed from rxn between acid and base • ...

chem bonus 2023-04-25

Across

solid, liquid, gas
6.022×10^23
anything that has mass and takes up space
numbers that matter
solid becoming a liquid
standard unit of temperature
ΔH
catalyst that speeds up a chemical reactions
compound formed from positive and negative ions
what Mrs. Carley teaches

Down

Actual yield divided by theoretical yield times 100
standard unit of energy
gas to liqiud
mass divided by its volume
gas law that relates pressure and volume at constant temperature and amount
A chemical reaction that has a positive change in enthalpy.
The relating of one chemical substance to another using a balanced chemical reaction
right side of a chemical equation
organizes all elements into rows and columns
subatomic particle with a negative charge
smallest unit of matter

21 Clues: ΔH • 6.022×10^23 • gas to liqiud • solid, liquid, gas • numbers that matter • standard unit of energy • solid becoming a liquid • smallest unit of matter • what Mrs. Carley teaches • mass divided by its volume • standard unit of temperature • right side of a chemical equation • anything that has mass and takes up space • subatomic particle with a negative charge • ...

Chemical Reactions 2026-02-11

Across

before
mix
heat
burn
liquid
change
solid

Down

after
reaction
chemical
bubbles
gas

12 Clues: mix • gas • heat • burn • after • solid • before • liquid • change • bubbles • reaction • chemical

Atoms Elements and Compounds 2025-05-02

Atoms Elements and Compounds crossword puzzle

Across

a list of all the elements
atoms of elements joined together
starting chemicals in a chemical reaction
a column in the periodic table
the name for group 7
shiny substances usually solid-on right of periodic table
where compound are made
the tiny particle that makes up all substances

Down

the compound made from sodium and chlorine
the name for group 1
compound made from lithium,nitrogen & oxygen
a substance made up of only one type of atom
can be solid liquid or gas-on left of periodic table
how to describe a chemical reaction
new chemical substances made in chemical reaction
a row in the periodic table

16 Clues: the name for group 1 • the name for group 7 • where compound are made • a list of all the elements • a row in the periodic table • a column in the periodic table • atoms of elements joined together • how to describe a chemical reaction • starting chemicals in a chemical reaction • the compound made from sodium and chlorine • compound made from lithium,nitrogen & oxygen • ...

science 2 2021-09-29

Across

a large organic molecule made up of many atoms
a combination of 2 or more elements connected by bonds
subunit of which nucleic acids are composed; made up of a 5 carbon sugar, a phosphate group, and a nitrogenous base
reactant of an enzyme- catalyzed reaction
energy that is needed to get a reaction started
molecules composed of many monomers makes up macromolecules
negatively charged particle that orbits the nucleus in the electron cloud
substance that speeds up the rate of a chemical reaction
pure substance that consists entirely of one type of atom
basic unit of life
type of bond between atoms in which the electrons are shared
the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table
substance formed as a chemical reaction
equal to the total number of protons and neutrons in the nucleus of an atom
a reaction that releases energy
small chemical unit that makes up a polymer
the center of an atom, which contains the protons and neutrons

Down

a reaction that absorbs energy
compound made up of carbon, hydrogen, and oxygen atoms, type of nutrient that is the major source of energy for the body
macromolecule made up of amino acids
macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
compound with an amino group on one end and a carboxyl group on the other end
elements or compounds that enter into a chemical reaction
electron found in the outermost shell of an atom; helps to determine bonding
particle found in the nucleus that has no charge
biological catalyst
process that changes, or transforms, one set of chemicals into another set of chemicals
one or two letter abbreviation for a chemical element name
macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorous
positively charged particle found in the nucleus of an atom

30 Clues: basic unit of life • biological catalyst • a reaction that absorbs energy • a reaction that releases energy • macromolecule made up of amino acids • substance formed as a chemical reaction • reactant of an enzyme- catalyzed reaction • small chemical unit that makes up a polymer • a large organic molecule made up of many atoms • energy that is needed to get a reaction started • ...

Biology Unit 2 Vocab 2021-09-29

Across

biological catalysts
particle found in the nucleus that has no charge
a reaction that releases energy (gives off heat)
one- or two-letter abbreviation for a chemical element name
macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus
reactant of an enzyme-catalyzed reaction
positively charged particle found in the nucleus of an atom
macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
subunit of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body
small chemical unit that makes up a polymer
type of bond between atoms in which the electrons are shared
compound with an amino group on one end and a carboxyl group on the other end
pure substance that consists entirely of one type of atom
substance formed as a result of a chemical reaction

Down

energy that is needed to get a reaction started
a reaction that absorbs energy (absorbs heat)
the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table (also equals the number of electrons in an element)
negatively charged particle that orbits the nucleus in the electron cloud
substance that speeds up the rate of a chemical reaction
electron found in the outermost shell of an atom; helps to determine bonding
process that changes, or transforms, one set of chemicals into another set of chemicals
(chemistry definition) the center of an atom, which contains the protons and neutrons
a combination of 2 or more elements connected by bonds
macromolecule made up of amino acids
a large organic molecule made up of many atoms (like proteins)
the basic unit of matter
elements or compounds that enter into a chemical reaction
molecules composed of many monomers; makes up macromolecules
equal to the total number of protons and neutrons in the nucleus of an atom (based on isotopes)

30 Clues: biological catalysts • the basic unit of matter • macromolecule made up of amino acids • reactant of an enzyme-catalyzed reaction • small chemical unit that makes up a polymer • a reaction that absorbs energy (absorbs heat) • energy that is needed to get a reaction started • particle found in the nucleus that has no charge • ...

Balancing equations and types of reactions 2025-11-18

Balancing equations and types of reactions crossword puzzle

Across

– Reaction in which a compound breaks apart.
– Reaction where substances combine to form one product.
– Center of the atom where protons and neutrons are located
– Reaction where one element replaces another.
– smallest unit of an element
– Starting substance in a reaction.
– Reaction where two elements replace each other.

Down

– Reaction in which carbon compound and oxygen produce CO2 and H2O.
– Number placed before a formula to balance an equation.
– subatomic particle with no charge
– subatomic particle with positive charge
– subatomic particle with negative charge
– States that matter is not created or destroyed.
– Equation with equal numbers of atoms on both sides.
– representation of the chemical composition of a substance
– Substance formed from a chemical reaction.

16 Clues: – smallest unit of an element • – subatomic particle with no charge • – Starting substance in a reaction. • – subatomic particle with positive charge • – subatomic particle with negative charge • – Reaction in which a compound breaks apart. • – Substance formed from a chemical reaction. • – Reaction where one element replaces another. • ...

Balancing equations and types of reactions 2025-11-18

Across

– Reaction in which a compound breaks apart.
– Reaction where substances combine to form one product.
– Center of the atom where protons and neutrons are located
– Reaction where one element replaces another.
– smallest unit of an element
– Starting substance in a reaction.
– Reaction where two elements replace each other.

Down

– Reaction in which carbon compound and oxygen produce CO2 and H2O.
– Number placed before a formula to balance an equation.
– subatomic particle with no charge
– subatomic particle with positive charge
– subatomic particle with negative charge
– States that matter is not created or destroyed.
– Equation with equal numbers of atoms on both sides.
– representation of the chemical composition of a substance
– Substance formed from a chemical reaction.

Chemistry Crossword 2022-09-16

Across

chemical
physical
liquid
element
atom
matter
reaction

Down

experiment
gas
solid
mixture
lab

12 Clues: gas • lab • atom • solid • liquid • matter • element • mixture • chemical • physical • reaction • experiment

Energy and Enzymes Crossword 2022-09-11

Energy and Enzymes Crossword crossword puzzle

Across

Mrs. Dreiske's favorite student and the creator of this crossword
Adebosine triphodphste
What a catalyst reacts apon
a chemical reaction that breakes polomers into monomers and ATP
TYpe of energy that refers to energy that is in motion
Metablism that helps with with growth and support
Things that cause Enzymes not to work
Energy that is needed to start a chemical reacion

Down

A reaction that absorbs energy
an inhibitor that thakes the place of a substrate to stop a reaction
Substance that increases the rate of a chemical reaction
Metobolism that helps with digestion
Term that refers to how enzymes fit with Substrates
Type of reaction that builds polomers
A protien that acts as a catalyst to maintain homeostasis

15 Clues: Adebosine triphodphste • What a catalyst reacts apon • A reaction that absorbs energy • Metobolism that helps with digestion • Type of reaction that builds polomers • Things that cause Enzymes not to work • Metablism that helps with with growth and support • Energy that is needed to start a chemical reacion • Term that refers to how enzymes fit with Substrates • ...

Energy and Enzymes Crossword 2022-09-11

Across

Mrs. Dreiske's favorite student and the creator of this crossword
Adebosine triphodphste
What a catalyst reacts apon
a chemical reaction that breakes polomers into monomers and ATP
TYpe of energy that refers to energy that is in motion
Metablism that helps with with growth and support
Things that cause Enzymes not to work
Energy that is needed to start a chemical reacion

Down

A reaction that absorbs energy
an inhibitor that thakes the place of a substrate to stop a reaction
Substance that increases the rate of a chemical reaction
Metobolism that helps with digestion
Term that refers to how enzymes fit with Substrates
Type of reaction that builds polomers
A protien that acts as a catalyst to maintain homeostasis

Group 2 Biology 2013-01-14

Across

Macromolecule made of monomers linked together
Formed by process known as polymerization
Deoxyribonucleic acid, where the instructions for arranging amino acids into different proteins are stored.
Process that changes one set of chemicals into another set of chemicals
3 parts- phosphate group, 5 carbon sugar, and nitrogenous base
Ribonucleic acid, contains coded information to produce proteins
Proteins that act as biological catalysts
Assembled by nucleotides, store and transmit genetic information (CHONP)
Study of all compounds that contain bonds between carbon atoms
Store energy, important part of biological membranes and waterproof coverings (CH)
Chemical substance formed as a result of a chemical reaction
Living things store extra sugar as complex carbohydrates known as ---??

Down

At least one carbon-carbon double bond in a fatty acid
Reactants of enzyme-catalyzed reactions
Lipids whose fatty acids contain more than one double bond.
Compounds with an amino group (-NH2) on one end and a carboxyl group (-COOH) on the other
Energy that is needed to get a reaction started
Small units that join together to form a polymer
Polymer of a carbohydrate formed by bonding several monosaccharides
Single sugar molecules
Substance that speeds up the rate of a chemical reaction
Chemical substance that is present at the start of a chemical reaction
Portion of each amino acid that is different is a side chain
Assembled by amino acids, control rates of reactions, form structures, transport substances, and help fight disease (CHON)
Main source of energy for living things and structure (CHO 1:2:1)

25 Clues: Single sugar molecules • Reactants of enzyme-catalyzed reactions • Formed by process known as polymerization • Proteins that act as biological catalysts • Macromolecule made of monomers linked together • Energy that is needed to get a reaction started • Small units that join together to form a polymer • At least one carbon-carbon double bond in a fatty acid • ...

SSI Final #6 2023-05-31

Across

Law of Action/Reaction
3 or more alleles determined phenotype of a trait
cooler air, clockwise rotation, sinking air
Materials before chemical reaction occurs
A part of an Atom with a negative charge
Compounds that exist after chemical reaction
______ reaction will absorb energy
Law of Acceleration
2 surfaces sliding past each other
One single copy of DNA in a chromosome

Down

Made of DNA and Proteins and found during cell reproduction
Both dominant alleles are expressed
Warmer air, counter-clockwise rotation, rising air
2 surfaces not moving past each other
______ reaction will release energy in the form of heat
A part of an Atom with a positive charge
Acquired trait that can't be passed on
Genetics passed on

18 Clues: Genetics passed on • Law of Acceleration • Law of Action/Reaction • ______ reaction will absorb energy • 2 surfaces sliding past each other • Both dominant alleles are expressed • 2 surfaces not moving past each other • Acquired trait that can't be passed on • One single copy of DNA in a chromosome • A part of an Atom with a negative charge • ...

Hon Chem Spring Vocab Part 2 2024-04-19

Hon Chem Spring Vocab Part 2 crossword puzzle

Across

A chemical reaction in which an acid and base react with one another to produce water and a salt solution
An ion not directly involved in a reaction
Particle formed when a base gains a hydrogen ion
Equation showing just the oxidation or reduction that takes place in a redox
An equation that shows dissolved ionic compounds as dissociated ions
The breakdown of ions in an aqueous solution
Measure of efficiency of a reaction (how good you did)
An equation that only shows particles directly involved in the chemical reaction
A conversion factor derived from the coefficients of a balanced equation
The calculation of quantities in chemical reactions
The substance that gains electrons
agent The substance that loses electrons
Connects two half cells in a voltaic cell
Electrochemical cells use dot convert chemical energy into electrical energy

Down

Only slightly ionize in aqueous solutions
Particle formed when an acid donates a hydrogen ion
Electrode where reduction occurs
Electrode where oxidation occurs
The amount of product formed when carried out in the laboratory
The negative log of the hydrogen-ion concentration
A chemical substance that releases H+ ions in aqueous solutions
Calculated amount of product that can be formed
Positive or negative number assigned to an atom to indicate its degree of oxidation or reduction
A reaction involving the exchange of electrons
Complete or partial gain of electrons
Completely ionize in aqueous solutions
Complete or partial loss of electrons
Reagent that determines the amount of product that can be formed
The reagent that is not completely used up
A chemical substance that releases OH- ions in aqueous solutions

30 Clues: Electrode where reduction occurs • Electrode where oxidation occurs • The substance that gains electrons • Complete or partial gain of electrons • Complete or partial loss of electrons • Completely ionize in aqueous solutions • agent The substance that loses electrons • Only slightly ionize in aqueous solutions • Connects two half cells in a voltaic cell • ...

Claire Conrad chapter 5 2016-10-09

Claire Conrad chapter 5 crossword puzzle

Across

chemical that accepts a hydrogen ion.
a polyatomic ion made by adding a proton to water molecule.
number in front of a chemical or chemical compound.
opposite of synthesis.
the energy stored in molecules that can release during a reaction.
substance that is a result of the chemical product.

Down

must be added to break bonds.
any substance that increases the rate of a chemical reaction without itself being consumed by the reaction.
no plus sign on the product side(A+B=C).
energy is transfered to reactants from surroundings(cool).
a chemical that donates a hydrogen ion.
A polyatomic ion made by removing a proton (hydrogen ion) form a water molecule.
when reactions and its reverse act at the same rate.
a substance that undergoes a chemical change.
energy transfers from reactants to surroundings(heat).

15 Clues: opposite of synthesis. • must be added to break bonds. • chemical that accepts a hydrogen ion. • a chemical that donates a hydrogen ion. • no plus sign on the product side(A+B=C). • a substance that undergoes a chemical change. • number in front of a chemical or chemical compound. • substance that is a result of the chemical product. • ...

Thermochemistry 2023-04-25

Across

When energy is given off from the reaction, the delta H is?
What is heat when given off as a product of the reaction?
What is heat when added to the reaction as a reactant?
What is a biological catalyst that speeds up the rate of a reaction?
What is the measure of the average kinetic energy of the particle?
What is the point on a phase diagram in which two phases of a substance?
the amount of heat/ energy to raise 1 gram of a substance by 1.
What is the change in heat of the products from the reactants
What is the translation of a substance directly from solid to gas?
What is heat measured in?
What are reactions that release heat?
All chemical reactions involve a change in what?

Down

What is the total amount of energy; movement?
What is the study of how heat is converted to any form of energy?
What are reactions that require an input of energy
What is a substance that speeds up a chemical reaction?
What is the translation of a substance directly from gas to solid?
What is an example of sublimation?
When energy is added for the reaction to occur, the delta H is?
What is the minimum amount of energy that must be applied to a system to initiate a chemical Reaction?

20 Clues: What is heat measured in? • What is an example of sublimation? • What are reactions that release heat? • What is the total amount of energy; movement? • All chemical reactions involve a change in what? • What are reactions that require an input of energy • What is heat when added to the reaction as a reactant? • What is a substance that speeds up a chemical reaction? • ...

chemistry 1 2019-03-18

Across

unstable physical mixtures of undissolved particles in a liquid
a change in form of physical properties of a substance without a chemical reaction or the creation of a new substance
substance that releases oxygen
a chemical combination of two or more atoms in definite proportions
a chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
a chemical combination of matter in definite proportions
a chemical reaction that combines a substance with oxygen to produce an oxide
a physical combination of matter in any proportion
a stable physical mixture of two or more substances
characteristics that can be determined without a chemical reaction and do not cause a chemical change in the substance
subatomic particles with a positive charge
subatomic particles with no charge
any substance that occupies spaces spaces and has mass
the substance that dissolves the solute and makes it a solution

Down

special type of oil used in hair conditioners water resistant lubricants for the skin and nail polish dryers
the measure of the acidity an alkalinity of a substance
the study of substances that contain the element carbon
multiples of ten
liquids that are mutually soluble meaning that they can be mixed together to form stable solutions
a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
oil droplets emulsified in water
the quantity of hydrogen ions
alcohols that evaporate easily
the concentration of surface active agents
a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
the substance that is dissolved in a solution
the three different physical forms of matter

27 Clues: multiples of ten • the quantity of hydrogen ions • substance that releases oxygen • alcohols that evaporate easily • oil droplets emulsified in water • subatomic particles with no charge • the concentration of surface active agents • subatomic particles with a positive charge • the three different physical forms of matter • the substance that is dissolved in a solution • ...

chemistry 2 2019-03-18

Across

multiples of ten
a chemical reaction that combines a substance with oxygen to produce an oxide
a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
the measure of the acidity an alkalinity of a substance
a change in form of physical properties of a substance without a chemical reaction or the creation of a new substance
liquids that are mutually soluble meaning that they can be mixed together to form stable solutions
the three different physical forms of matter
alcohols that evaporate easily
the study of substances that contain the element carbon
any substance that occupies spaces spaces and has mass
a chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
a chemical combination of matter in definite proportions
unstable physical mixtures of undissolved particles in a liquid

Down

the concentration of surface active agents
the substance that dissolves the solute and makes it a solution
substance that releases oxygen
subatomic particles with a positive charge
special type of oil used in hair conditioners water resistant lubricants for the skin and nail polish dryers
a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
a physical combination of matter in any proportion
a chemical combination of two or more atoms in definite proportions
characteristics that can be determined without a chemical reaction and do not cause a chemical change in the substance
a stable physical mixture of two or more substances
the quantity of hydrogen ions
the substance that is dissolved in a solution
subatomic particles with no charge

26 Clues: multiples of ten • the quantity of hydrogen ions • substance that releases oxygen • alcohols that evaporate easily • subatomic particles with no charge • the concentration of surface active agents • subatomic particles with a positive charge • the three different physical forms of matter • the substance that is dissolved in a solution • ...

Thermochem 2024-01-19

Across

The measurement of heat flow in a chemical reaction or physical process.
The phase transition from a gas to a solid.
The heat content of a system at constant pressure.
A measure of the average kinetic energy of the particles in a substance.
A chemical reaction that absorbs heat from the surroundings.
The phase transition from a solid to a gas.
Everything outside the system being studied.

Down

The phase transition from a liquid to a gas.
A specific part of the universe under consideration for study.
A chemical reaction that releases heat to the surroundings.
The phase transition from a gas to a liquid.
The transfer of energy between objects due to a temperature difference.
The phase transition from a solid to a liquid.
The change in enthalpy of a system during a chemical reaction.
The study of heat energy changes in chemical reactions.

15 Clues: The phase transition from a gas to a solid. • The phase transition from a solid to a gas. • The phase transition from a liquid to a gas. • The phase transition from a gas to a liquid. • Everything outside the system being studied. • The phase transition from a solid to a liquid. • The heat content of a system at constant pressure. • ...

Macromolecules 2019-09-11

Across

essential nutrients for the human body
after a chemical reaction a... is made
containing the greatest possible number of hydrogen atoms
chemical reaction that releases energy by light or heat.
any of a class of sugars whose molecules contain two monosaccharide residues.
a compound consisting of a nucleoside
the minimum quantity of energy which the reacting species must possess
a biomolecule consisting of carbon, hydrogen and oxygen atoms
sweet-tasting, soluble carbohydrates
a carboxylic acid consisting of a hydrocarbon chain
organic compounds that are fatty acids

Down

reaction in which the system absorbs energy from its surroundings
complex organic substance present in living cells
simple sugars
The chemical substance being observed in a reaction.
rganic compounds composed of nitrogen, carbon, hydrogen and oxygen
are polymeric carbohydrate molecules composed of long chains of monosaccharide units
macromolecular biological catalysts
having carbon–carbon double or triple bonds
colorless, odorless, sweet tasting, syrupy liquid

20 Clues: simple sugars • macromolecular biological catalysts • sweet-tasting, soluble carbohydrates • a compound consisting of a nucleoside • essential nutrients for the human body • after a chemical reaction a... is made • organic compounds that are fatty acids • having carbon–carbon double or triple bonds • complex organic substance present in living cells • ...

Chemical and Physical Properties 2023-02-23

Chemical and Physical Properties crossword puzzle

Across

a chemical reaction involving oxygen that gives off heat and light
a chemical reaction in which energy is released in the form of heat
a change in form or appearance that does not form a new substance
an unexpected _________ change is evidence of a chemical reaction, the reaction radiates light differently
the formation of a solid from two liquids during a chemical reaction

Down

matter switching from a liquid to a solid or a gas to a liquid
the product of a chemical reaction will always have new chemical _________ that are different from the reactants
a chemical reaction in which energy is absorbed
the evidence that a chemical reaction is happening when mixing vinegar and baking soda
when two or more substances join to form a new substance with new chemical properties

10 Clues: a chemical reaction in which energy is absorbed • matter switching from a liquid to a solid or a gas to a liquid • a change in form or appearance that does not form a new substance • a chemical reaction involving oxygen that gives off heat and light • a chemical reaction in which energy is released in the form of heat • ...

CHEMICAL BASIS OF LIFE 2013-02-11

Across

atoms of the same elements having different atomic mass number.
is the form of carbohydrate storage in animals.
synthesis a process in which water is extracted from two monosaccharide sugar molecules.
the small sub units that are indivisible.
carbohydrates formed by the union of many monosaccharide subunits.
are chemicals that have the same chemical formula but a different arrangement of molecules.
are pure substances that cannot be broken down into simpler substances.
made up of sugar units;most important source of energy.
is a plant polysaccharide that makes up plant cell walls.
molecule molecules that have positive and negative ends or poles.
sum of all chemical reactions that occur within the cell.

Down

bond sharing of electrons.
formed by two monosaccharides.
simple sugar; glucose,fructose, and galactose.
bond transfer of electrons.
a chemical reaction in which simple chemical substances are combined to form complex chemical reaction.
a reaction in which complex chemical structures are broken down into simpler molecules
ability to do work ;it is neither created nor destroyed but simply changed.
molecules composed of from three to several million subunits.
compound compounds that contain the element carbon.

20 Clues: bond sharing of electrons. • bond transfer of electrons. • formed by two monosaccharides. • the small sub units that are indivisible. • simple sugar; glucose,fructose, and galactose. • is the form of carbohydrate storage in animals. • compound compounds that contain the element carbon. • made up of sugar units;most important source of energy. • ...

chemistry 1 2019-03-18

Across

the substance that is dissolved in a solution
the three different physical forms of matter
a chemical reaction that combines a substance with oxygen to produce an oxide
the quantity of hydrogen ions
any substance that occupies spaces spaces and has mass
a chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
liquids that are mutually soluble meaning that they can be mixed together to form stable solutions
a stable physical mixture of two or more substances
the measure of the acidity an alkalinity of a substance
alcohols that evaporate easily
a change in form of physical properties of a substance without a chemical reaction or the creation of a new substance
substance that releases oxygen

Down

the concentration of surface active agents
a chemical combination of matter in definite proportions
subatomic particles with no charge
a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
a physical combination of matter in any proportion
the study of substances that contain the element carbon
subatomic particles with a positive charge
unstable physical mixtures of undissolved particles in a liquid
characteristics that can be determined without a chemical reaction and do not cause a chemical change in the substance
a chemical combination of two or more atoms in definite proportions
a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
special type of oil used in hair conditioners water resistant lubricants for the skin and nail polish dryers
the substance that dissolves the solute and makes it a solution
multiples of ten

26 Clues: multiples of ten • the quantity of hydrogen ions • alcohols that evaporate easily • substance that releases oxygen • subatomic particles with no charge • the concentration of surface active agents • subatomic particles with a positive charge • the three different physical forms of matter • the substance that is dissolved in a solution • ...

chemistry 2 2019-03-18

Across

the substance that is dissolved in a solution
the quantity of hydrogen ions
unstable physical mixtures of undissolved particles in a liquid
subatomic particles with no charge
a physical combination of matter in any proportion
a change in form of physical properties of a substance without a chemical reaction or the creation of a new substance
a chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
the measure of the acidity an alkalinity of a substance
alcohols that evaporate easily
the three different physical forms of matter
a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
a chemical combination of two or more atoms in definite proportions
multiples of ten

Down

subatomic particles with a positive charge
the study of substances that contain the element carbon
the substance that dissolves the solute and makes it a solution
a chemical combination of matter in definite proportions
characteristics that can be determined without a chemical reaction and do not cause a chemical change in the substance
a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
special type of oil used in hair conditioners water resistant lubricants for the skin and nail polish dryers
substance that releases oxygen
a stable physical mixture of two or more substances
any substance that occupies spaces spaces and has mass
liquids that are mutually soluble meaning that they can be mixed together to form stable solutions
the concentration of surface active agents
a chemical reaction that combines a substance with oxygen to produce an oxide

26 Clues: multiples of ten • the quantity of hydrogen ions • substance that releases oxygen • alcohols that evaporate easily • subatomic particles with no charge • subatomic particles with a positive charge • the concentration of surface active agents • the three different physical forms of matter • the substance that is dissolved in a solution • ...

chemistry 2 2019-03-18

Across

multiples of ten
subatomic particles with a positive charge
a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
the concentration of surface active agents
the substance that dissolves the solute and makes it a solution
alcohols that evaporate easily
unstable physical mixtures of undissolved particles in a liquid
a physical combination of matter in any proportion
a chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
subatomic particles with no charge
a chemical combination of matter in definite proportions

Down

the measure of the acidity an alkalinity of a substance
a change in form of physical properties of a substance without a chemical reaction or the creation of a new substance
liquids that are mutually soluble meaning that they can be mixed together to form stable solutions
a stable physical mixture of two or more substances
a chemical reaction that combines a substance with oxygen to produce an oxide
the quantity of hydrogen ions
special type of oil used in hair conditioners water resistant lubricants for the skin and nail polish dryers
the study of substances that contain the element carbon
the three different physical forms of matter
characteristics that can be determined without a chemical reaction and do not cause a chemical change in the substance
a chemical combination of two or more atoms in definite proportions
substance that releases oxygen
any substance that occupies spaces spaces and has mass
the substance that is dissolved in a solution

26 Clues: multiples of ten • the quantity of hydrogen ions • alcohols that evaporate easily • substance that releases oxygen • subatomic particles with no charge • subatomic particles with a positive charge • the concentration of surface active agents • the three different physical forms of matter • the substance that is dissolved in a solution • ...

chemistry 2 2019-03-18

Across

unstable physical mixtures of undissolved particles in a liquid
any substance that occupies spaces spaces and has mass
a change in form of physical properties of a substance without a chemical reaction or the creation of a new substance
the quantity of hydrogen ions
the three different physical forms of matter
alcohols that evaporate easily
the study of substances that contain the element carbon
a chemical combination of two or more atoms in definite proportions
substance that releases oxygen
a chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
the concentration of surface active agents
the measure of the acidity an alkalinity of a substance

Down

liquids that are mutually soluble meaning that they can be mixed together to form stable solutions
a chemical combination of matter in definite proportions
subatomic particles with no charge
a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
characteristics that can be determined without a chemical reaction and do not cause a chemical change in the substance
a physical combination of matter in any proportion
subatomic particles with a positive charge
a stable physical mixture of two or more substances
the substance that is dissolved in a solution
multiples of ten
a chemical reaction that combines a substance with oxygen to produce an oxide
the substance that dissolves the solute and makes it a solution
special type of oil used in hair conditioners water resistant lubricants for the skin and nail polish dryers

chemistry 2 2019-03-18

Across

any substance that occupies spaces spaces and has mass
a chemical combination of two or more atoms in definite proportions
the measure of the acidity an alkalinity of a substance
the substance that is dissolved in a solution
subatomic particles with no charge
a chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
alcohols that evaporate easily
the quantity of hydrogen ions
liquids that are mutually soluble meaning that they can be mixed together to form stable solutions
a physical combination of matter in any proportion
the concentration of surface active agents
multiples of ten

Down

a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
unstable physical mixtures of undissolved particles in a liquid
a chemical reaction that combines a substance with oxygen to produce an oxide
subatomic particles with a positive charge
the three different physical forms of matter
the study of substances that contain the element carbon
a chemical combination of matter in definite proportions
characteristics that can be determined without a chemical reaction and do not cause a chemical change in the substance
the substance that dissolves the solute and makes it a solution
substance that releases oxygen
a change in form of physical properties of a substance without a chemical reaction or the creation of a new substance
a stable physical mixture of two or more substances
special type of oil used in hair conditioners water resistant lubricants for the skin and nail polish dryers
a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound

Chapter 2.3 Energy for Life 2024-10-25

Chapter 2.3 Energy for Life crossword puzzle

Across

a metabolic process by which cells break chemical bonds of nutrients such as glucose to obtain ATP
this work is stored in a stretched bowstring
a chemical reaction in which energy is absorbed
a process that uses oxygen to release energy
used by cells when there is a shortage of oxygen
"sugar breaking"
greek root "photo" meaning light and Syntitheani meaning "put together"
a chemical reaction in which energy is released as heat
is the movement of molecules that make up the object

Down

stored in bonds between atoms
when an electron is added to an atom or ion
this process takes place through the stepwise oxidation and reduction of different electron acceptors and donors
a chemical reaction that involves the transfer of one or more electrons
the primary concept is energy and the ability to do work
a chemical reaction resulting in the loss of electrons by a metal
allows an object or system to do work

16 Clues: "sugar breaking" • stored in bonds between atoms • allows an object or system to do work • when an electron is added to an atom or ion • this work is stored in a stretched bowstring • a process that uses oxygen to release energy • a chemical reaction in which energy is absorbed • used by cells when there is a shortage of oxygen • ...

Chapter 11 2023-05-11

Across

whether one metal will displace another metal from a compound
representation of a chemical reaction
a chemical change in which a single compound breaks down into two or more simpler products
chemical change in which one element replaces a second element in a compound
small whole numbers that are placed in front of the formulas in an equation in order to balance it

Down

chemical change involving an exchange of positive ions between two compounds
chemical change in which an element or a compound reacts with oxygen, often producing energy in the form of heat and light
chemical change in which two or more substances react to form a single new substance
each side of the equation has the same number of atoms of each element and mass is conserved
substance that speeds up the reaction but is not used up in the reaction
equation- chemical equation that does not indicate the relative amounts of the reactants and products

11 Clues: representation of a chemical reaction • whether one metal will displace another metal from a compound • substance that speeds up the reaction but is not used up in the reaction • chemical change involving an exchange of positive ions between two compounds • chemical change in which one element replaces a second element in a compound • ...

Harley VandeSande-Chapter13 2016-10-11

Harley VandeSande-Chapter13 crossword puzzle

Across

the new materials formed in a chemical reaction
that donates hydrogen ions
polyatomic ion made by removing a proton from a water molecule
description of a chemical reaction in which there is a net release of energy
reacting substance in a chemical reaction
Description of a solution in which the hydronium ion concentration is higher than the hydronium ion concentration;also sometimes called alkanline
rapid exothermic oxidation-reduction reaction between a material and molecular oxygen
the process by which a reactant loses one or more elcetrons

Down

amount of engergy required too pull two bonded atoma apart which is the same as the amount of energy released when the two atoms are bought together into a bond
description of a chemical reaction in which there is a absorption of energy
representation of a chemical reaction in which reactant are written to the left of a arrow that points toward the product on the right
process by which a reactant gains one or more electrons
Description of a solution in which the hydronium ion concentration is equal to the hydroxide ion concentration.
ironic compound commonly formed from the reaction between an acid and a base
Description of a solution in which the hydronium ion concentration is higher than the hydroxide ion concentration

15 Clues: that donates hydrogen ions • reacting substance in a chemical reaction • the new materials formed in a chemical reaction • process by which a reactant gains one or more electrons • the process by which a reactant loses one or more elcetrons • polyatomic ion made by removing a proton from a water molecule • ...

Chapter 13 Augustus Tipping 2016-10-12

Chapter 13 Augustus Tipping crossword puzzle

Across

A substance that donates hydrogen ions.
Description of a chemical reaction in which there is a net release of energy.
The amount of energy required to pull two bonded atoms apart, which is the same as the amount of energy released when the 2 atoms are brought together into a bond.
Any substance that increases the rate of a chemical reaction without itself being consumed by the reaction.
A polyatomic ion made by adding a proton (hydrogen ion) to a water molecule.
The minimum energy required in order for a chemical reaction to proceed.
Description of a chemical reaction in which there is a net absorption of energy.
A substance that accepts hydrogen ions.
A polyatomic ion made by removing a proton (hydrogen ion) from a water molecule.
Description of a solution in which the hydronium ion concentration is equal to the hydroxide ion concentration.

Down

of a solution in which the hydronium ion concentration is higher than the hydroxide ion concentration.
of a solution in which the hydroxide ion concentration is higher than the hydronium ion concentration.
A rapid exothermic oxidation reduction reaction between a material and a molecular oxygen
A measure of the acidity of a solution; equal to the negative logarithm hydronium ion concentration.
The reacting substances in a chemical reaction

15 Clues: A substance that donates hydrogen ions. • A substance that accepts hydrogen ions. • The reacting substances in a chemical reaction • The minimum energy required in order for a chemical reaction to proceed. • A polyatomic ion made by adding a proton (hydrogen ion) to a water molecule. • Description of a chemical reaction in which there is a net release of energy. • ...

Chapter 13 Vocabulary Crossword- Nicole Brand 2016-10-12

Across

a substance that is the result of a chemical change
energy transfers from reactants to the surroundings
when the reaction and its reverse acts at the same rate
the energy stored in molecules that can be released during a reaction
energy transfers to reactants from the surroundings
AB+C->AC+B
anything that will lower the activation energy but will get the same result
AB->A+B
A+B->AB

Down

a substance that undergoes a chemical change
AB+CD->AD+CB
a measure of the concentration of hydronium ions
a chemical that accepts a hydrogen ion
must be added to break bonds and start a chemical reaction
AB+oxygen->oxides of A and B
a chemical that donates a hydrogen ion

16 Clues: AB->A+B • A+B->AB • AB+C->AC+B • AB+CD->AD+CB • AB+oxygen->oxides of A and B • a chemical that accepts a hydrogen ion • a chemical that donates a hydrogen ion • a substance that undergoes a chemical change • a measure of the concentration of hydronium ions • a substance that is the result of a chemical change • energy transfers from reactants to the surroundings • ...

Chas Saunders Chapter 13 2016-10-10

Chas Saunders Chapter 13 crossword puzzle

Across

The energy needed to begin a reaction.
A reaction in which two molecules or atoms are interchanged.
Any substance that accepts hydrogen ions.
An exothermic reaction that produces oxides.
Substances that undergo a chemical reaction to create the product.
How acidic or basic a substance is.
A reaction in which one reactant forms two products.
A reaction in which two reactions form one product.

Down

A reaction in which heat or light is given off.
A reaction in which one molecule or atom interchange with another.
Any substance that donated hydrogen ions.
A reaction in which heat is absorbed.
The proses by which a reactant losses one or more electrons.
Any substance that speeds up a chemical reaction.
the substance is neither acidic or basic.

15 Clues: How acidic or basic a substance is. • A reaction in which heat is absorbed. • The energy needed to begin a reaction. • Any substance that donated hydrogen ions. • the substance is neither acidic or basic. • Any substance that accepts hydrogen ions. • An exothermic reaction that produces oxides. • A reaction in which heat or light is given off. • ...

Eleanor's crossword 2024-05-15

Across

The degrees of hotness or coldness in an object
A substance that can't be broken
The amount of space in an object
The smallest unit in an element
you need this to do things
change in matter that doesn't affect its chemical composition
The amount of matter in an object
when a new substance was made

Down

The substances that are formed during a chemical reaction
Material that has mass and takes up some amount of space
2 or more atoms joined together
A combination of 2 or more substances
The study of changes in matter
A chemical reaction that absorbs heat energy
The transfer of thermal energy
Chemical reaction that gives off heat energy
A characteristic that can be observed
A pure substance that forms when 2 or more different elements combine

18 Clues: you need this to do things • when a new substance was made • The study of changes in matter • The transfer of thermal energy • 2 or more atoms joined together • The smallest unit in an element • A substance that can't be broken • The amount of space in an object • The amount of matter in an object • A combination of 2 or more substances • A characteristic that can be observed • ...

energetics & Enzymes 2024-02-28

Across

reaction One that results in an increase in free energy; another way of referring to a nonspontaneous reaction.
energy The total energy available to do work—a combination of entropy and thermal and potential energy.
energy Energy related to interactions among charged particles.
energy The energy of motion in ions and molecules, measured as temperature.
reaction One that results in a decrease in free energy; another way of referring to a spontaneous reaction.
A protein that catalyzes a chemical reaction.

Down

energy The amount of energy required to get a chemical reaction through its transition state.
energy Energy that is related to an object’s position.
reaction Conversion of substances (ions or molecules) into other substances via breaking and forming chemical bonds.
state During a chemical reaction, an intermediate state where old bonds are being broken but new bonds have not yet formed.
coupling A phosphorylation reaction that makes a nonspontaneous reaction spontaneous, because it raises the free energy of the reactants.
site The place on an enzyme (or ribozyme) where a reaction is catalyzed.

12 Clues: A protein that catalyzes a chemical reaction. • energy Energy that is related to an object’s position. • energy Energy related to interactions among charged particles. • site The place on an enzyme (or ribozyme) where a reaction is catalyzed. • energy The energy of motion in ions and molecules, measured as temperature. • ...

Energetics & Enzymes 2024-02-17

Across

reaction One that results in an increase in free energy; another way of referring to a nonspontaneous reaction.
energy The total energy available to do work—a combination of entropy and thermal and potential energy.
energy Energy related to interactions among charged particles.
energy The energy of motion in ions and molecules, measured as temperature.
reaction One that results in a decrease in free energy; another way of referring to a spontaneous reaction.
A protein that catalyzes a chemical reaction.

Down

energy The amount of energy required to get a chemical reaction through its transition state.
energy Energy that is related to an object’s position.
reaction Conversion of substances (ions or molecules) into other substances via breaking and forming chemical bonds.
state During a chemical reaction, an intermediate state where old bonds are being broken but new bonds have not yet formed.
coupling A phosphorylation reaction that makes a nonspontaneous reaction spontaneous, because it raises the free energy of the reactants
site The place on an enzyme (or ribozyme) where a reaction is catalyzed.

UNIT 2: BioChemistry 2022-09-05

Across

simple sugar
simple organic compund(carboxyl&amino group)
molecule combined to form a polymer chain
min amount of energy required
complex organic substance in DNA/RNA
lemon juice is an
whats formed from a chemical reaction
organic molecule w nucleoside and phosphate
undergoes chemical change
glucose linked together (starch)
layer on which an enzyme acts

Down

protein that accelerates chemical reaction
DNA
lacks a carbon-hydrogen bond
bond chemical bond formed between amino acids
leads to a chemical transformation
1:2:1 ratio
has a ph of 8 or higher
accelerates without being affected
prevents change in acididty
compound contains hydrogen-carbon bond
insoluble fatty acid
chains of amino acids vital for living
monomers linked together(repeating subunits)

24 Clues: DNA • 1:2:1 ratio • simple sugar • lemon juice is an • insoluble fatty acid • has a ph of 8 or higher • undergoes chemical change • prevents change in acididty • lacks a carbon-hydrogen bond • min amount of energy required • layer on which an enzyme acts • glucose linked together (starch) • leads to a chemical transformation • accelerates without being affected • ...

Chapter 13 Vocabulary Crossword- Nicole Brand 2016-10-12

Across

AB->A+B
anything that will lower the activation energy but will get the same result
AB+oxygen->oxides of A and B
a chemical that donates a hydrogen ion
a measure of the concentration of hydronium ions
AB+CD->AD+CB
must be added to break bonds and start a chemical reaction

Down

energy transfers to reactants from the surroundings
AB+C->AC+B
A+B->AB
the energy stored in molecules that can be released during a reaction
when the reaction and its reverse acts at the same rate
a chemical that accepts a hydrogen ion
a substance that is the result of a chemical change
a substance that undergoes a chemical change
energy transfers from reactants to the surroundings

16 Clues: AB->A+B • A+B->AB • AB+C->AC+B • AB+CD->AD+CB • AB+oxygen->oxides of A and B • a chemical that accepts a hydrogen ion • a chemical that donates a hydrogen ion • a substance that undergoes a chemical change • a measure of the concentration of hydronium ions • energy transfers to reactants from the surroundings • a substance that is the result of a chemical change • ...

Chemical Formulas and Reactions 2023-11-07

Chemical Formulas and Reactions crossword puzzle

Across

undergoes change during a reaction
a principle that states that mass is neither created nor destroyed in chemical reactions
present at the end of a chemical reaction
a notation of one or two letters representing a chemical element
a change in matter that produces a new substance
a solid formed in a chemical reaction that is different from either of the reactants

Down

uses symbols and formula to show chemical reactions
chemical reaction that releases heat to the surrounding environment
a number placed in front of a chemical symbol or formula
chemical reaction that absorbs heat from its environment
a number telling how many atoms are in the molecule or ratio of the element

11 Clues: undergoes change during a reaction • present at the end of a chemical reaction • a change in matter that produces a new substance • uses symbols and formula to show chemical reactions • a number placed in front of a chemical symbol or formula • chemical reaction that absorbs heat from its environment • a notation of one or two letters representing a chemical element • ...

Unit 1 [Biomolecules] 2022-12-05

Across

Substance made from two elements that are chemically joined
Substance that consists of one type of atom
Bond that transfers 1-2 pairs of electrons between 2 atoms
Substance that speeds up rate of reaction by lowering activation energy
Mix of water and non dissolved material
Non polar molecules that repel water molecules
Substance on which an enzyme acts during a chemical reaction
Compound made of Carbon, Hydrogen, Oxygen and Nitrogen that controls rate of reaction, form cell structures and transport substances
The process of creating large molecules from smaller molecules utilizing energy
Proteins that act as catalysts
Pockets in the folds on enzyme surfaces, that allow for a reaction to occur
The molecules that form proteins
Atoms of the same element, but have a different number of neutrons (ex.carbon-12)
Thing that dissolves solute (ex.water)
Attraction of molecules of the SAME substance
Reaction that RELEASES energy
Substance made of 2 elements that is not chemically mixed
Small units of a larger molecule
Mixture were all components are evenly distributed

Down

Attraction between a hydrogen and another atom
Bond that share 1-2 pairs of electrons between 2 atoms
Chemical reaction that buids up molecules by losing water molecule
Molecules that transports chemical energy within cells for metabolism
Tendency of water to rise in a thin tube
Reaction that ABSORBS energy
Attraction of molecules of DIFFERENT substances
Molecules that form ionic or hydrogen bond with water molecule
Compound made of Carbon, Hydrogen and Oxygen
Substance which function is to capture and transfer chemical energy (made of 5-carbon sugar, phosphate and nitrogenous base)
Basic unit of matter
Compound made of Carbon and Hydrogen,commonly known as fats, oils and waxes
Is all the chemical reactions which are involved in the breakdown of organic materials (made of proteins, sugars and fatty acids)
Chemical reactions that occur within a organism to maintain life
Molecule made of monomers
Thing that is dissolved (ex.sugar)
Polymers assembled from nucleotides, contains Carbon, Hydrogen, Oxygen, Nitrogen and Phosphorous

36 Clues: Basic unit of matter • Molecule made of monomers • Reaction that ABSORBS energy • Reaction that RELEASES energy • Proteins that act as catalysts • The molecules that form proteins • Small units of a larger molecule • Thing that is dissolved (ex.sugar) • Thing that dissolves solute (ex.water) • Mix of water and non dissolved material • Tendency of water to rise in a thin tube • ...

unit 2 chemistry of life 2022-09-30

unit 2 chemistry of life crossword puzzle

Across

macromolecule made up of amino acids
a reaction that absorbs energy (absorbs heat)
pure substance that consists entirely of one type of atom
molecules composed of many monomers; makes up macromolecules
the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table (also equals the number of electrons in an element)
substance formed as a result of a chemical reaction
small chemical unit that makes up a polymer
electron- electron found in the outermost shell of an atom; helps to determine bonding
substance that speeds up the rate of a chemical reaction
energy that is needed to get a reaction started
equal to the total number of protons and neutrons in the nucleus of an atom (based on isotopes)
one- or two-letter abbreviation for a chemical element name
positively charged particle found in the nucleus of an atom
compound with an amino group on one end and a carboxyl group on the other end
elements or compounds that enter into a chemical reaction

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a large organic molecule made up of many atoms (like proteins)
a reaction that releases energy (gives off heat)
subunit of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
particle found in the nucleus that has no charge
negatively charged particle that orbits the nucleus in the electron cloud
biological catalysts
compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body
reactant of an enzyme-catalyzed reaction
(chemistry definition) the center of an atom, which contains the protons and neutrons
type of bond between atoms in which the electrons are shared
a combination of 2 or more elements connected by bonds
the basic unit of matter
macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus

29 Clues: biological catalysts • the basic unit of matter • macromolecule made up of amino acids • reactant of an enzyme-catalyzed reaction • small chemical unit that makes up a polymer • a reaction that absorbs energy (absorbs heat) • energy that is needed to get a reaction started • a reaction that releases energy (gives off heat) • ...

Chemical Reactions 2018-05-29

Across

Along with carbon, this is used to extract metals such as Iron using a blast furnace
Particles must collide with enough of this for a reaction to take place
We chop a reactant up to increase this during a chemical reaction
This is a type of reaction where a more reactive metals takes the place of a less reactive metal
This is the name given to metals found in rocks that are mined from the ground
We find this symbol in a word equation instead of an equals sign
This is another name for the speed of a reaction
This 'series' helps us to decide if metals are more reactive that others
This is something that speeds up a chemical reaction but is not used up in the reaction
This is an example of a metal that can be extracted just by heating it

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We do this to concentration to speed up the rate of reaction
This can increase the rate of a reaction
A new one of these is made during a chemical reaction
This is the name given to the things you start mix together in an experiment
This is the name given to the things produced during an experiment
The metal reactivity series can be used to predict how metals will do this
This process is used to extract aluminium using electricity
These metals will react with water
This 'theory' discusses particles bumping into each other

19 Clues: These metals will react with water • This can increase the rate of a reaction • This is another name for the speed of a reaction • A new one of these is made during a chemical reaction • This 'theory' discusses particles bumping into each other • This process is used to extract aluminium using electricity • ...

Introduction to Physical and Chemical Changes (Use vocabulary words) 2021-11-14

Introduction to Physical and Chemical Changes (Use vocabulary words) crossword puzzle

Across

substances are changed into others
Heat absorbed in a chemical change
temperature liquid boils at sea level
involving the body
degree of hotness or coldness
fluid matter
visible suspension of particles
energy either given off or absorbed
Heat given off in a chemical change

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occurring with absorption of heat
begins/accelerates chemical reaction
determined by composition/structure
involving atomic or molecular changes
occurring with release of heat
change into gas or steam
temperature which liquid turns solid

16 Clues: fluid matter • involving the body • change into gas or steam • degree of hotness or coldness • occurring with release of heat • visible suspension of particles • occurring with absorption of heat • substances are changed into others • Heat absorbed in a chemical change • determined by composition/structure • energy either given off or absorbed • Heat given off in a chemical change • ...

1st Semester Vocab Science 2016-12-08

1st Semester Vocab Science crossword puzzle

Across

one of a number of repetitions of an experiment.
any factor, trait, or condition that can exist in differing amounts or types.
mixture that can easily see the different parts of it.
a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
two or more atoms covalently bonded
substance that speeds up a chemical reaction, but is not consumed by the reaction
Particle found in a nucleus with a positive charge.
regions of space around the nucleus of an atom where an electron is likely to be found.
bond lasting attraction between atoms
the total number of protons and neutrons in an atomic nucleus.
reaction that takes in heat
substance that is formed as the result of a chemical reaction.
an element whose properties are intermediate between those of metals and solid nonmetals.
energy stored in the bonds of chemical compounds
reaction that gives off heat
exothermic reaction in which something reacts with oxygen.
Elements that form cations
tells us the number of atoms of each element in a compound.
that takes part in and undergoes change during a reaction.
the variable being tested in a scientific experiment.
characteristic of a substance that is observed during a reaction
the variable that is changed or controlled in a scientific experiment.
an electrically charged atom
The central part of an atom that contains the protons and neutrons.
separation of a chemical compound into elements or simpler compounds
properties like color, size, and shape
chemical reaction where two compounds react, and the positive ions and the negative ions of the two reactants switch places,
a substance made by mixing other substances together.
a substance formed when two or more chemical elements are chemically bonded together.
how well a scientific test or piece of research actually measures what it sets out to
negatively charged ion
the smallest component of an element
average mass of atoms of an element
a change in the chemical properties.
chemical element that lacks the characteristics of a metal and that is able to form anions

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they carry a negative charge. The number of protons and _______ is equal
substances that are made of only one type of atom or only one type of molecule
the number of protons in the nucleus of an atom
process in which atoms of the same or different elements rearrange themselves to form a new substance
a change in the physical properties
properties like ability to burn, chemical relativity, etc...
a variable that remains constant throughout an experiment
one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter.
have no charge, found in the nucleus
two or more simple substances combine to form a more complex product.
an element reacts with a compound and takes the place of another element in that compound.
is constant and unchanged throughout the course of the investigation.
a column of elements in the periodic table
number of the different atoms of elements in the reactants side is equal to that of the products side.
each atom likes to have 8 valence electrons
two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons
particles Protons, neutrons, and electrons
mass divided by volume
the name given to a horizontal row of the periodic table.
bond chemical bond formed between two ions with opposite charges
bond chemical bond that involves the sharing of electron pairs between atoms.
the symbolic representation of a chemical reaction in the form of symbols
mixture where it all looks the same.
Law that states that the physical and chemical properties of the elements recur in a systematic and predictable way when the elements are arranged in order of increasing atomic number.
positively charged ion
numbers placed before the reactants in a chemical equation

61 Clues: mass divided by volume • positively charged ion • negatively charged ion • Elements that form cations • reaction that takes in heat • reaction that gives off heat • an electrically charged atom • a change in the physical properties • two or more atoms covalently bonded • average mass of atoms of an element • have no charge, found in the nucleus • ...

chem bonus 2023-04-25

Across

right side of a chemical equation
organizes all elements into rows and columns
compound formed from positive and negative ions
catalyst that speeds up a chemical reactions
The relating of one chemical substance to another using a balanced chemical reaction
solid becoming a liquid
gas law that relates pressure and volume at constant temperature and amount
numbers that matter
smallest unit of matter
ΔH
A chemical reaction that has a positive change in enthalpy.

Down

subatomic particle with a negative charge
standard unit of energy
Actual yield divided by theoretical yield times 100
solid, liquid, gas
gas to liqiud
what Mrs. Carley teaches
6.022×10^23
anything that has mass and takes up space
standard unit of temperature

20 Clues: ΔH • 6.022×10^23 • gas to liqiud • solid, liquid, gas • numbers that matter • standard unit of energy • solid becoming a liquid • smallest unit of matter • what Mrs. Carley teaches • standard unit of temperature • right side of a chemical equation • subatomic particle with a negative charge • anything that has mass and takes up space • organizes all elements into rows and columns • ...

This Week in Science 2024-12-06

Across

Coefficients and subscript must be...
Chemical equations MUST be...
Conservation of ____________.
Substances you BEGIN with in a reaction
The study of matter
E-Waste is ___________ waste
Toxic plastic garbage juice
What represented our products in the phet simulation
Chemical reactions show that a _______ has occurred
The arrow can be read as "produces" or...
Substances you CREATE in a reaction

Down

When something is neither lost nor gained
Equations can be written with words, formulas, or...
This is never truly destroyed
Two or more atoms
Smallest unit of measure
Kinetic energy of atoms and molecules
In reactions, bubbles are signs that a _____ is formed
Reactions can be written as chemical...
A number in FRONT of a chemical formula
The small number in chemical formulas

21 Clues: Two or more atoms • The study of matter • Smallest unit of measure • Toxic plastic garbage juice • E-Waste is ___________ waste • Chemical equations MUST be... • Conservation of ____________. • This is never truly destroyed • Substances you CREATE in a reaction • Coefficients and subscript must be... • Kinetic energy of atoms and molecules • The small number in chemical formulas • ...

Chemical Reactions Perfect 10 2023-02-28

Chemical Reactions Perfect 10 crossword puzzle

Across

A system in which no matter can enter or escape
A system in which matter can enter from or escape.
What you start with in a chemical equation.
Substance that slows or stops a chemical reaction
What you end up with after a chemical reaction
When compounds break down into simpler substances.

Down

When one element replaces another in a compound
Substance that speeds up a chemical reaction
A chemical reaction where energy is released
A chemical reaction where energy is absorbed
When two or more compounds combine to make a more complex substance.

11 Clues: What you start with in a chemical equation. • Substance that speeds up a chemical reaction • A chemical reaction where energy is released • A chemical reaction where energy is absorbed • What you end up with after a chemical reaction • When one element replaces another in a compound • A system in which no matter can enter or escape • ...

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