Type
Crossword
Description

a characteristic of a substance that may be observed when it participates in a chemical reaction. chemicalproperty
for any system closed to all transfers of matter and energy , the mass of the system must remain constant over time, as system's mass cannot change, so quantity can neither be added nor be removed. LOCM
a chemical reaction expressed in words rather than chemical formulas. equation
(of a reaction or process) accompanied by or requiring the absorption of heat. endothermic
how many atoms or molecules you have. subscript
the number and type of atoms present in a molecule of a substance. formula
Physical properties can be observed or measured without changing the composition of matter. Physical properties are used to observe and describe matter. physicalproperty
(of a reaction or process) accompanied by the release of heat. exothermic
a thing that is the result of an action or process product
cause (a substance) to be deposited in solid form from a solution: precipitate

Chemical Reactions Crossword

Type
Crossword
Description

A chemical reaction that requires heat Endothremic
The law that states that energy cannot be created or destroyed but can be change another LCE
The minimum amount of energy required to start a chemical reaction Activation Energy
A substance that slows down or stops a chemical reaction Inhibitor
A substance that changes the rate of a chemical reaction without being used up or changed very much Catalyst
A chemical reaction in which heat is released to the surroundings Exothermic
A combination of chemical symbols and numbers to represent a substance Chemical Formula
A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products Chemical Equation
A substance or molecule that participates in a chemical reaction Reactant
The substance that forms in a chemical reaction Product
2 or more substances combine to form a new compound Synthesis
A compound decomposes into 2 or more simpler substances Decomposition
1 element replaces another element in a compound Single Replacement

Properties of matter Crossword

Type
Crossword
Description

Composes any physical substance Matter
The smallest unit in an element Atom
Basic building block of physical matter; cannot be broken down to a simpler substance Element
A single unit of a compound or a group of elements bonded together molecule
A chemical substance of two or more atoms of elements bonded together compound
state of matter composed of tightly packed molecules solid
state of matter composed of freely moving molecules that do not separate liquid
state of matter composed of freely moving molecules capable of indefinite expansion gas
A change from one state of matter to another phase change
Property of a substaance that can be measured without changing chemical properties physical property
The amount of a solute that can be dissolved into a liquid (solvent) in a given situation solubility
Temperature at which a substance boils boiling point
Temperature at which a solid melts Melting point
Temperature at which a substance freezes freezing point
Amount of mass per unit of volume density
A measure of the total amount of matter contained within an object mass
A measure of the amount of space an object fills volume

Chemical Equations and Reactions Crossword

Type
Crossword
Description

a trend or fact that indicates something indicators
a type of reaction that exchanges one or more hydrogen atoms acid-base
matter that has a specific composition and specific properties substance
a process that involves rearrangement of the molecular or ionic structure chemical reaction
a substance consisting of atoms which all have the same number of protons element
a basic unit of a chemical element atoms
an irreversible chemical reaction involving the rearrangement of the atoms chemical change
a chemical reaction that releases heat exothermic
not man-made natural
substance that speeds up a chemical reaction, but is not consumed by the reaction product/ a substance formed by a chemical change taste/ sensation of flavor in the mouth covalent/ relating to the chemical bonds between atoms temperature/ the degree of something matter/ anything that has mass or takes up space heat/ a form of energy that flows between matter due to their difference in temperature compounds/ a substance formed when two or more chemical elements are chemically bonded together ions/ an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons smell/ detect the odor or scent of something equations/ a written representation of a chemical reaction balancing/ making both sides have the same quantity molecule/ the smallest particle in a chemical element or compound endothermic/ requiring the absorption of heat color/ a pigmentation create/ to make something bonds/ the rearrangement of electrons in two atoms that causes atoms to be bound to each other subscript/ type of lettering written lower than the numbers or things around it and shows the number of atoms in a molecule coefficient/ a number placed before a reactant in a chemical equation catalyst
a substance formed by a chemical change product
sensation of flavor in the mouth taste
relating to the chemical bonds between atoms covalent
the degree of something temperature
anything that has mass or takes up space matter
a form of energy that flows between matter due to their difference in temperature heat
a substance formed when two or more chemical elements are chemically bonded together compounds
an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons ions
to detect the odor or scent of something smell
a written representation of a chemical reaction equations
making both sides have the same quantity balancing
the smallest particle in a chemical element or compound molecule
requiring the absorption of heat endothermic
a pigmentation color
to make something create
the rearrangement of electrons in two atoms that causes atoms to be bound to each other bonds
type of lettering written lower than the numbers or things around it and shows the number of atoms in a molecule subscript
a number placed before a reactant in a chemical equation coefficient

Chemistry Crossword Puzzle

Type
Crossword
Description

The scientific study of the structure, properties, and reactions of the chemical elements and the compounds they form: Chemistry
Law of Conservation and ________: MASS
A formula that shows what elements are in a compound and what it will become: Chemical Formula
More than one substances turning into other substances. Chemical Reaction
Substances that react. Reactants
Substances that are made: Product
Numbers in front of each substance in a equation: Coefficient
Pure substance found on the periodic table: Element
A type of matter with a fixed composition: Substance
A substance in which the atoms of 2 or more elements are combined: Compound
a physical property defined as the mass of a given substance divided by its amount of substance: Molar mass
the amount of matter of an object mass
a section of chemistry that involves using relationships between reactants and/or products in a chemical reaction to determine desired quantitative data: Stoichiometry
A unit of measurement for quantifying atoms and molecules: mole
The best chemistry teacher: Mrs. Alexander

Chemical Reactions Crossword

Type
Crossword
Description

A process during which chemical bonds between atoms are broken and new ones are formed. Producing one or more different substances. Chemical Reaction
The starting materials in a chemical reaction. Reactant
The new substances that are formed in a chemical reaction. Product
A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products. Chemical Equation
Tells how many atoms, molecules, or formula units take part in a reaction. Coefficient
Tells how many atoms of an element are contained in one molecule or formula unit. Subscript
Energy is released. Exothermic Reaction
Energy is absorbed Endothermic Reaction
A condition in which different elements are equal or in the correct proportions. There are three types of visual balance: symmetry, asymmetry, and radial. Balance
A chemical reaction that occurs when a substance reacts with oxygen, releasing energy in the form of heat and light. Combustion Reaction
A chemical reaction that occurs when a substance reacts with oxygen, releasing energy in the form of heat and light combustion reaction A chemical reaction in which two or more reactants combine to produce a single product. Synthesis Reaction
A reaction in which a single compound breaks down to form two or more simpler substances. Decomposition Reaction
Chemical reaction in which one element replaces another element in a compound. Single-displacement Reaction
A reaction in which a gas, a solid precipitate, or a molecular compound forms from the exchange of ions between two compounds. Double-displacement Reaction
A solid that forms from a solution during a chemical reaction. Precipitate
A chemical change in which a substance combines with oxygen, as when iron oxidizes, forming rust. Oxidation
Any process in which electrons are added to an atom or ion. Reduction
A substance that initiates or accelerates a chemical reaction without itself being affected. Catalyst

Mixtures and Solutions Crossword

Type
Crossword
Description

The amount of matter in a solid, liquid, or gas. mass
The amount of matter in a given volume. density
Any solid, liquid, gas that has mass and can take up space. matter
When a solid, liquid, or gas changes state. statesofmatter
The amount of space an object can take up. volume
A physical combination of two or more substances that are blended together without forming a new substance. mixture
A mixture of substances that are blended so completely that the mixture looks the same everywhere. solution
The process of separating the parts of a mixture by evaporation or condensation. distillation
A substance that can attract and repel magneticattraction
It is when a particle leaves a liquid and turns into a gas evaporation
A substance that is dissolved by another substance to form a solution. solute
A substance that dissolves one or more other substances to form a solution. solvent
A change of matter in size, shape, or state without change in identity phsicalchange
The process of changing directly from a solid to gas without first becoming a liquid. sublimation
It is when a solid turns into a liquid. meltingpoint
The particular temperature for a substance at which it changes state from a liquid to a gas. boilingpoint
The maximum amount of substance that can be dissolved by another substance Solubility
It is when a liquid turns into a solid when temperature changes. FreezingPoint
The contraction of matter caused by a change in heat ThermalContraction
The expansion of matter caused by a change in heat. ThermalExpansion
A type of mixture in which the particles of one material are scattered through another and block the passage of light without settling out. Colliods
a measure on how gravity pulls on an object Weight
A substance that is formed by the chemical combination of two or more elements and that acts like a single substance. Compounds
A change in matter that occurs when atoms link together in a new way, creating a new substance different from the original substance. ChemicalChange
A solid formed by a chemical. Percipitate
A substance at the end of a chemical reaction of two substances. Products
The upward push of a liquid or gas on an object. Bouyancy
A pure substance that cannot be broken down into any simpler substance through chemical reactions. Element
The smallest unit of an element that retains the properties of that element. Atom
Any group of elements that conducts heat and electricity, has a shiny luster, and is flexible. Metal
A particle in the space outside the nucleus of an atom that carries one unit of negative charge. Eletron
A particle in a nucleus of an atom that has no net electric charge. Neutron
The center of an atom that has the most of its mass. Nucleus
A particle within the nucleus of an atom that carries one unit of positive electric charge. Proton
A particle that contains more than one atom joined together. Molecule
A solution of a metal and and at least one other solid which is often also a metal. Alloy

Thermochemistry Crossword

Type
Crossword
Description

branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions thermochemistry
law: energy cannot be created or destroyed in an isolated system conservationofenergy
the entropy of any isolated system always increases lawofthermodynamics
the ability to do work Energy
a form of energy arising from the random motion of the molecules of bodies, which may be transferred by conduction, convection, or radiation heat
process that involves rearrangement of the molecular or ionic structure of a substance Chemical Reaction
the specific portion of the universe that is being studied System
the rest of the universe that isnt reacting Surroundings
the degree of disorder or randomness in the system Entropy
thermodynamic quantity equivalent to the total heat content of a system Enthalpy
a reaction that absorbs heat energy Endothermic
a reaction that releases heat energy Exothermic
The energy change accompanying any transformation is the same whether the process occurs in one step or many Hess' Law
the heat required to raise the temperature of the unit mass by one degree Specific Heat
The energy change accompanying any transformation is equal and opposite to energy change accompanying the reverse process Lavoisierlaw

Basic Chemistry Crossword

Type
Crossword
Description

The study of matter chemistry
Occupies space and has mass Matter
Solid, liquid, gas State of matter
Pure substances consisting of only one kind of atom in each molecule. Element
Pure substances consisting of two or more atoms in each molecule Compound
Chart of elements organized according to their atomic structure Periodic table
The part of the atom containing the protons and neutrons Nucleus
Positive particle of an atom. The number of these determines what kind of element it is Proton
Neutrally charged particle found in the nucleus and has mass Neutron
Negatively charged particle outside the nucleus Electron
Donated electrons form charged particles called ions to stick together Ionic bond
Shared electrons hold atoms together. Covalent bond
A distinct group of atoms bonded together Molecule
The smallest unit of an element Atom
Shows how atoms in a molecule are located and connected Structural formula
Show the number and type of atoms in a molecule Chemical formula
The ability to do work Energy
A protein molecule or organic molecule used as a catalyst Enzyme
Substances that affect the rate of a reaction but are not changed themselves. Also may start or stop a reaction from occurring. Catalyst
The metric unit used to weigh of a bar of gold kilogram
Substances that enable enzymes to work properly. Coenzyme
Small amount of liquid chemicals would be measured using this metric unit. Milliliter

chemical reaction Crossword

Type
Crossword
Description

1.a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change. catalyst
a process that leads to the transformation of one set of chemical substances to another chemical reaction
is a measure of energy in a thermodynamic system. enthalpy
not forming a homogeneous mixture when added together immiscible
amount concentration or substance concentration molarity
an inorganic acid whose molecules contain oxygen, such as sulfuric or nitric acid oxyacid
3.a mixture in which particles are dispersed throughout the bulk of a fluid suspension
any chemical compound formed from the reaction of an acid with a base, with all or part of the hydrogen of the acid replaced by a metal or other cation. salt
able to be dissolved, especially in water soluble
able to be dissolved, especially in water solute
2.a liquid mixture in which the minor component (the solute) is uniformly distributed within the major component (the solvent solution
able to dissolve other substances: solvent
a coefficient is a multiplicative factor in some term of a polynomial, a series or any expression; it is usually a number, but in any case does not involve any variable of the expression. coefficent
chemical reaction between a fuel and an oxidant combustion
accompanied by or requiring the absorption of heat. The opposite of exothermic. endothermic
accompanied by the release of heat. The opposite of endothermic. exothermic
cause to be depositied in solid form from a soultion precipitate
a substance that takes part in and undergoes change during a reaction reactants
are the species formed from chemical reactions products
is a chemical reaction that results in an equilibrium mixture of reactants and products. reversible reaction

CHEMICAL REACTIONS VOCABULARY Crossword

Type
Crossword
Description

the state or power of being reactive or the degree to which a thing is reactive. REACTIVITY
a number, figure, symbol, or indicator that is smaller than their normal line of type and is set slightly below or above it. subscript
when an electron relocates from an atom to another such chemical entity. electron transfer
are diagrams that show the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule. Lewis dot diagram
an atom or a molecule in which the total number of electrons is not equal to the total number of protons ion
the complete transfer of valence electrons between atoms IONIC BOND
a chemical bond that involves the sharing of electron pairs between atoms. covalent bond
a strong force of attraction holding atoms together in a molecule or crystal, resulting from the sharing or transfer of electrons. chemical bond
a type of chemical bond where a pair of electrons is unequally shared between two atoms. polar bond
are a type of chemical bond where two atoms share a pair of electrons with each other. nonpolar bond
the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction. Activation energy
a substance that takes part in and undergoes change during a reaction. reactant
a quantity obtained by multiplying quantities together, or from an analogous algebraic operation. product
a chemical reaction that releases energy by light or heat Exothermic reaction
process describes a process or reaction in which the system absorbs energy from its surroundings; usually, but not always, in the form of heat. Endothermic reaction
a mathematical relationship or rule expressed in symbols. Chemical formula