Type
Crossword
Description

anything that takes up space and has mass; can exist in the form of solids, liquids, or gases matter
a combination of subatomic particles: protons (+), neutrons (neutral), and electrons (-) atoms
a substance composed of atoms all with the same atomic number; cannot be split chemically into smaller substances element
bonds that occur through either sharing of electrons or donation between atoms chemical bonds
forms when two or more atoms of any type of element share a bond molecule
formed when two or more different types of elements combine in a specific ratio compound
a formula expressed by numeric subscripts and an element's symbol chemical formula
a formula expressed by numeric subscripts and an element's symbol chemical equation
a counting unit (mol) to quantify the number of atoms, particles, or molecules in a given mass mole
(M)is a physical property defined as the mass of a given substance (chemical element or chemical compound) divided by the amount of substance. The base SI unit for molar mass is kg/mol molar mass
the substances that take part in a chemical reaction reactants
a new substance formed when reactants are chemically changed product
positively charged whole numbers that give information about how many moles of a substance are involved in a reaction coefficient
is the relationship between the coefficients of reactants and products molar ratio
the use of mathematics to quantify what occurs in a chemical reaction stoichiometry
a homogeneous mixture that results from a solute dissolving in a solvent solution
the substance dissolved in a liquid solute
the abundance of a constituent divided by the total volume of a mixture concentration
number of moles of solute per liters of solvent molarity
changing the shape of an object deformation
the ability of a material to undergo plastic deformation before fracture; mathematically, defined as a percentage ductility
the amount of stress a material can withstand before undergoing a significant change to its cross sectional area; not measured but obtained using experimental measures tensile strength
a property of fluids that measures the resistance offered by the fluid to shear stress viscosity
the ability of a body to regain its original shape after deformation elasticity
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 chemical reaction

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 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

Moles Crossword

Type
Crossword
Description

convert to grams: 3.57 mol Al 96.3 g Al
convert to grams: 42.6 mol Si 1.20x10^23 g Si
a formula that shows the smallest whole-number ratio empirical formula
convert to moles: 25.5 g Ag .236 mol Ag
convert to moles: 300.0 grams S 9.35 mol S
the percent by mass of each element in a compound percent composition
convert to atoms: 55.2 g Li 4.79x10^24 atoms
convert to atoms: 0.230 grams Pb 6.68x10^26 atoms
the SI base unit used to measure the amount of a substance mole
convert to moles: 5.75x10^24 9.55mol Al
2.50x10^20 atoms Al 4.15x10^-4 mol Fe
find the percent composition of Hydrogen by using H2SO3 2.46%
find the percent composition of Sulfur by using H2SO3 39.06%
the mass in grams of one mole of any pure substance molar mass
find the percent composition of hydrogen by using H2S2O8 1.04%
find the percent composition of Sulfur by using H2S2O8 33.03%
a formula that specifies the actual number of atoms of each element in one molecule of a substance molecular formula

Stoichiometry and Chemical Reactions Crossword

Type
Crossword
Description

The ratio of the actual yield to the theoretical yield shown as a percent. Percent Yield
A chemical substance that is present at the beginning of a chemical reaction. Reactant
The quantitative relationship between two or more substances especially in processes involving chemical or physical change. Stoichiometry
A chemical substance formed as a result of a chemical reaction. Product
A reactant in a chemical reaction that determines the amount of product that is formed. Limiting Reactant
The reactant in a chemical equation with a greater amount than necessary to react completely with the limiting reactant. Excess Reactant
A process in which one or more substances are changed into others. Chemical Reaction
One element replaces another element in a compound. Single Replacement
Two or more substances combine to form a new compound. Synthesis
A compound decomposes into two or more simpler substances. Decomposition
A representation of a chemical reaction that uses symbols to represent the relationship between the reactants and the products. Chemical Equation
A unit of amount, the amount of a substance containing 6.02x10^23 entities. Moles
Used in a chemical equation to determine mole ratios. Coefficients
The mass of one mole of a substance. Molar Mass
A substance that changes the rate of a chemical reaction without being used up or changed very much. Catalyst
A chemical reaction where heat is released to it's surroundings. Exothermic
A combination of chemical symbols and numbers to represent a substance. Chemical Formula
A chemical reaction that needs heat. Endothermic
The smallest amount of energy needed to start a chemical reaction. Activation Energy
What holds individual atoms of compounds together. Chemical Bonds

Vocabulary Assignment - section 1.1 Crossword

Type
Crossword
Description

anything that takes up space and has mass Matter
combination of subatomic particles : protons , neutrons , and electrons atom
a subastance composed of atoms all with the same atomic number element
bonds that occur through either sharing of electron or donation between atoms chemical bond
form when two or more atoms of any type of element share a bond molecule
formed when two or more different types of elements combine in a specific ratio Compund
a formula expressed by numeric subscripts chemical formula
the substance that take part in a chemical reaction reactant
a new substance formed when reactants are chemically changed product
a counting unit (mol) to quantify the numbers of atoms , particles , or molecules Mole
positively charged whole numbers that give information about how many moles of a substance are involved coefficient
the use of mathematics to quantify what occurs in a chemical reaction stoichiometry
a homogeneous mixture that resultsfrom a solute dissolving in a solvent solution
a substance dissolved in liquid solute
number of moles of solute per liters of solvent molarity
changing the shape of an object deformation
the ability of a MATERIAL TO UNDERGO PLASTIC DEFORMATION BEFORE FRACTURE ductility
the amount of stress a material can withstand before undergoing tensile strength
a property of fluids that measures the resistance offered by the fluid to shear stress viscosity
the ability of a body to regain its original after deformation elasticity
is a way of expressing information about the proportions of atoms that constitute a particular chemical compound chemical formula
the weight of one mole of any chemical substance molar mass
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. chemical reactions
is ratio between the amounts in moles of any two compounds involved in a chemical reaction. mole ratio
the action or power of focusing one's attention or mental effort: concentration

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

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

Thermochemistry Crossword Puzzle

Type
Crossword
Description

The study of heat transfer during chemical reactions and changes in state thermochemistry
The reaction or substance changing System
The molar heat of ___ is the amount of heat released when vapor condenses condensation
Energy in chemical bonds (3 words) ChemicalPE
Everything in the universe Surroundings
The law of ___ states energy cannot be created or destroyed (3 words) conservationofenergy
When the system gains heat the reaction is... Endothermic
When the system loses heat the reaction is... Exothermic
Known as "c" in equations (2 words) Specificheat
Amount of heat needed to increase the temperature of an object by 1 degree Celsius (2 words) Heatcapacity
Measurement of the heat flow into or out of the system Calorimetry
Insulated object used in calorimetry experiments Calorimeter
(H) ΔH measures the change in this Enthalpy
A chemical equation that includes the enthalpy change as either a reactant or product Thermochemical
Known as ΔH (3 words) Heatofreaction
Heat of reaction for burning one mole of a substance (3 words) Heatofcombustion
The molar heat of ___ is theheat absorbed by a solid object as it melts fusion
The molar heat of ___ is the heat lost by one mole when a liquid solidifies solidification
The molar heat of ___ is the amount of heat needed to vaporize a liquid vaporization
The change in H caused by dissolution (4 words) Molarheatofsolution
(q) Always flows from warm to cold Heat

Chemistry Review Crossword

Type
Crossword
Description

A change in matter that produces new substances with new properties. (2words) chemicalreaction
New substances produced in a chemical reaction. products
Substances that react together in a chemical reaction. reactants
A system for organizing elements into columns and rows based on their properties. (2words) periodictable
Rows in the periodic table. period
Columns in the periodic table. family
A group of letters and subscript numbers that represent the make-up of a chemical compound. (2words) chemicalformula
An atom that has an electrical charge, either positive or negative. ion
A compound that forms between a metal and a non-metal after electrons are transferred. ionic
A compound that forms between non-metals as they share electrons. molecular
A subatomic particle found in the nucleus of an atom. It has no charge. neutron
A positively charged subatomic particle found in the nucleus of the atom. proton
A negatively charged subatomic particle that orbits the nucleus of an atom. electron
Refers to either the outer orbital of an atom or the electrons found in the outer shell. valence
A reaction in which two or more reactants combine to produce a new product. synthesis
A reaction in which one compound breaks down into two or more simpler compounds. decomposition
A reaction in which one element takes the place of another element in a compound. (2words) singledisplacement
A reaction in which the metal ions of two different compounds exchange places. (2words) doubledisplacement
The smallest unit of an element. atom
A compound that tastes sour, corrodes metal and tissue, and turns blue litmus paper red. acid
A substance that changes colour when added to an acid or a base. indicator
A compound that tastes bitter, feels slippery, corrodes tissue, and turns red litmus paper blue. base
The number in front of a product or reactant in a balanced chemical equation. coefficient
Ability to conduct (transfer) electricity. conductivity
Law describing the fact that the total mass and number of atoms is the same before and after a reaction. (3words) conservationofmass
A reaction between an acid and a base that produces salt and water. neutralization
Elements on the left side of the periodic table. They are malleable, shiny, conductive, and solid at room temperature. metals
Elements on the right side of the periodic table. They are not malleable, not conductive, and exist in a number of states at room temperature. nonmetals
A pure substance that cannot be broken down. element
A pure substance that contains two or more different elements. compound

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