Type
Crossword
Description

A material that decreases the rate of a reaction. Inhibitor
A material that increases the rate of a reaction by lowering the activation energy. Catalyst
Represents a compound; which shows the elements in the compound and the ratio of atoms. Chemicalformula
Are so evenly mixed and difficult to separate the parts of the mixture. Homogeneous
Alters the form or appearance of matter, but does not turn any substance in the matter into another substance. Physicalchange
The electrons that are in the highest energy level of an atom and that are involved in chemical bonding. Valanceelectrons
A short, easy way to show a chemical reaction, using symbols. Chemicalequation
Can see different parts and they can be easily be separated out. Heterogeneous
2, 8, 18, and 32 Stablenumbers
Anything that has mass and takes up space. Matter
The attraction between oppositely charged ions. Ionicbonds
A change where energy is absorbed. Endothermicreaction
A molecule consisting of two atoms. Diatomicmolecules
A mixture containing a solvent and at least one solute that has the same properties throughout; a mixture in which one substance is dissolved in another. Solution
A change in matter that produces one or more new substances. Chemicalchange
A substance formed as a result of  chemical reaction. Product
A substance that enters into a chemical reaction. Reactants
Has definite volume, but no shape of its own, packed almost as close of an arrangement of particles as solids, but it moves more freely. Liquid
A chemical bond formed when two atoms share electrons. Covalentbonds
Releases energy Exothermicreaction
Negatively charged particles Electrons
Has no electrical charge Neutrons
Positively charged particles Protons
An arrangement of the elements showing the repeating pattern of their properties.  Periodictable
A mixture in which particles can be seen and easily separated by settling or filtration.  Suspensions

Atoms, Elements, and Compounds Crossword

Type
Crossword
Description

are the building blocks of matter Atoms
Neutrons and Protons are located here Nucleus
Positively charged particles Protons
Particles that have no charge neutrons
Negitively charged particles Electrons
pure substances that cannot be broken down into other substances by physical or chemical means Element
Atoms of the same element that have different numbers of neutrons Isotopes
A pure substance formed when two or more different elements combine Compound
chemical bond that forms when electrons are shared Covalent bond
a compound in which the atoms are held together by covalent bonds Molecule
an electrical attraction between two oppositely charged atoms or groups of atoms ionic bonds
process by which atoms or groups of atoms in substances are reorganized into different substances chemical reaction
substance that lowers the activation energy needed to start a chemical reaction catalyst
biological catalyst that speed up the rate of chemical reactions in biological processes enzymes
specific location where a substrate binds on an enzyme active site
molecules that have an unequal distribution of charges polar molecules
the electrostatic attraction hydrogen bond
the substance that is dissolved in the solvent solute
substance in whih another substance is dissolved solvent
anothe name for homogeneous mixture solution

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

Periodic Table And Atoms Crossword

Type
Crossword
Description

A particle with a single negative charge Electron
The positively charged central part of an atom Nucleus
A positively charged particles that make up a nucleus Protons
A nuetral particle in the nucleus of an atom Neutron
The electrons in the outermost energy level of Niels Bohr's model of an atom Valance Electrons
An area around an atomic nucleus where an electron is most likely to be found Electron Cloud
Pure substances that cannot be broken down into any simpler substances Elements
The number of protons in an atom of an element Atomic Number
Atoms of the same element that have different numbers of neutrons Isotopes
The sum of the number of protons and neutrons in an atom Mass Number
The average mass of an element's isotopes Average Atomic Mass
A chart of elements arranged into rows and columns based on their chemical and physical properties Periodic Table
Vertical columns on the periodic table Groups
Horizontal rows on a Periodic Table Periods
A group located on the left side of the Periodic Table that is a good conductor and shine when polished Metals
Another group located on the right side of the Periodic Table that are insulators and are not shiny Nonmetals
An object that has low electrical resistance and can allow electricity to flow easily Conductors
An object that has higher electrical resistance and prevents electricity easily through a material Insulator
Elements in the middle of the Periodic Table and are semiconductors.They also have properties that are similar to both metals and nonmetals Metalloids
A substance that is made of two or more elements chemically joined in a specific combination Compound
An atom no longer neutrally charged because it has lost electrons Ion
An attraction that holds ions close together Ionic Bond
A bond formed when two atoms share valence electrons Covalent Bond
A chemical reaction that releases heat of light energy Exothermic Reaction
Chemical Reactions that absorb energy Endothermic Reaction
The speed at which a reaction occurs Rate Of Reaction
A substance that speeds up chemical reactions Catalyst

Chemistry Vocabulary Crossword

Type
Crossword
Description

A type of matter with a fixed composition. Substance
Mixture in which different materials can easily be distinguished. Heterogeneous Mixture
Contains 2 or more gases, liquids, or solids substances blended evenly. Homogeneous Mixture
Explanation of how particles in matter behave. Kinetic Theory
Amount of energy required for a liquid to become a gas. Heat of Vaporization
Attraction formed when elements share electrons. Covalent Bond
A neutral molecule that forms as a result of electron sharing. Molecule
Substances that react. Reactants
Substances that are made. Products
More than one substances turning into other substances. Chemical Reaction
Numbers in front of each substance in a equation. Coeffecients
A formula that shows what elements are in a compound and what it will become. Chemical Formula
Force that holds atoms together in a compound. Chemical Bond
Force of attraction between opposite charges. Ionic Bond
Attraction formed when elements share electrons. Covalent Bond

Chemical Bonding Crossword

Type
Crossword
Description

Bonding which results from the electrical attraction between cations and anions Ionic Bonding
when two atoms share a pair of electrons Covalent Bonding
Covalent bond when electrons are not shared equally Polar covalent bond
the simplest structual unit of an element molecule
compound that consists of positive and negative ions Ionic compound
in a chemical compound the max amount of electrons is 8 in the highest energy level Octet rule
A charged group of covalently bonded atoms Polyatomic ions
bonding that results from the attraction between metal atoms and the surrounding sea of electrons Metallic bonding
ability of a substance to be hammered into thin sheets Melleability
ability of a substance to be drawn or pulled through a small opening to make a wire Ductiliy
simplest collection of atoms from which an ionic compound's formula can be established Formula Unit
covalent bond when one pair of electrons is shared between two atoms single bond
energy required to break a chemical bond and form isolated atoms bond energy
bonding that has an eneven distribution of charge polar

Substances and Mixtures Crossword

Type
Crossword
Description

When atoms combine, they form this, which is a force of attraction between two atoms Chemical Bond
A substance made of two or more elements that are chemically combined in a set ratio Compound
The basic particle from which all elements are made Atom
Made of two or more substances that are together in the same place, but their atoms are not chemically bonded Mixture
A substance that cannot be broken down into any other substances by chemical or physical means Element
A measure of the mass of a material in a given volume Density
A change in which energy is absorbed Endothermic change
A change in matter that produces one or more new substances Chemical change
Are evenly mixed that you can't see the different parts Homogeneous
The amount of matter in an object Mass
Which shows the elements in the compound and the ratio of atoms Chemical formula
The total energy of the motion of all the particles in an object Thermal energy
A measure of how hot or cold something is Temperature
Anything that has mass and takes up space Matter
A measure of the force of gravity on you Weight
A group of two or more atoms held together by chemical bonds molecule
You can usually see the different parts and they can be easily be separated Heterogeneous
A characteristic of a substance that can be observed without changing it into another substance physical property
Alters the form appearance of matter but does not turn any substances in the matter into a different substance physical change
Releases energy endothermic change
A single kind of matter that is pure, meaning it always has a specific makeup, or composition substance
The study of matter and how matter changes chemistry
The amount of space that matters occupies volume

Matter Crossword Puzzle

Type
Crossword
Description

The amount of space something takes up. Volume
The amount of mass per unit of volume. Density
Particles are very close together. Solid
When a solid turns into a gas Sublimation
The property of a substance that is observed during a chemical change. Chemical Property
Matter cannot be created or destroyed however matter can change forms, says this law. Law of conservation of matter
The amount of matter in an object. Mass
The transfer of thermal energy through particles of matter that are in direct contact. Conduction
The transfer of thermal energy by electromagnetic waves. Radiation
Has definite volume but no definite shape. Liquid
Something that can flow freely and mix together easily. Fluid
Particles collide very often Gas
A type of mixture in which the substances are not evenly mixed Heterogeneous mixture
A mixture of hot ions and electrons Plasma
Features of all matter that can be observed and measured without changing the chemical composition of the substance. Physical Properties
A type of mixture in which the substances are evenly mixed. Homogeneous mixture
The transfer of thermal energy by the motion of fluids. Convection
capable of being attracted by or acquiring the properties of a magnet Magnetic
Matter that can vary in composition Mixture
The amount of mass in something. Weight

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

Atomic Structure and the Periodic Table Crossword

Type
Crossword
Description

The "outer energy shell" of and atom valence
Electrons are "shared" in this type of bond. covalent
Electrons are "stolen" in this type of bond. Ionic
The smallest unit of matter with all the properties of that substance. atom
This matches the number of protons in an atom. atomicnumber
A neutron has a ___________________ charge. neutral
"Like" electric charges ____________________ each other. repel
A combination of one or more atoms. molecule
The location around the nucleus where electrons orbit. electroncloud
A charged particle. ion
A "Family" of elements that do not typically react with other elements. Noblegases
The "Family" of elements that are very reactive. halogens
Characteristics that are measurable or observable are called physical _____________. properties
Subtract the atomic number from the atomic mass to find the number of _________________. neutrons
Electrons have a ______________________ charge. negative
Protons have a _________________________ charge. positive
An abreviated way to name an element. Chemicalsymbol
Other than hydrogen and helium, the number of electrons needed to fill the valence shell. eight
The center of an atom where the protons and neutrons are located. nucleus
An element that can have a variable number of neutrons in its nucleus. isotope
Atoms with full outer energy shells are known to be _______________. stable
A group of elements with similar properties are known as a _________________. family
Reactivity is a ______________________ property. chemical
The elements are organized into this grid. periodictable
When elements react they form new _____________________. substances
This element is found in all organic matter and has four valence electrons. carbon
NaCl is the ___________________________ for salt. chemicalformula
Each ___________________ on the periodic table represents the number of valence electrons in an element. column
Each __________ on the Periodic Table represents the number of "energy levels" an element has. row
The "electronic connections" between elements in a molecule. bonds

Unit 3 Crossword Puzzle

Type
Crossword
Description

Negative charge of an atom electron
Center part of an atom that holds protons and neutrons nucleus
Positive charge of an atom Proton
Neutral Charge of an atom Neutron
Area in an atom where an electron is found Electron Cloud
Substance that cannot be broken down into smaller parts Element
Number or protons in an atom Atomic number
Atoms of the same element that have different amounts of neutrons Isotopes
Average mass of an element's isotopes Average Atomic Mass
Chart that shows the elements Periodic Table
When 2 or more elements combine Compound
Atom that is no longer neutral because of gained/lost electrons Ion
Chemical bond by sharing of valence electrons Covalent Bond
Chemical Reaction that releases energy exothermic
Chemical reaction that absorbs energy endothermic
Substance that speeds up a chemical reaction catalyst
Symbol for Iron FE
Vertical columns on the Periodic Table are called families
Horizontal rows on the Periodic Table are called periods