What are three main primary States of Matter?
Solid, Liquid, and Gas
In a balanced chemical equation, what number is used to represent the relative amounts of reactants and products?
Coefficient
What is the process called when a substance changes directly from solid to a gas?
Sublimation
What do we call a change in a substance that does not alter its chemical composition?
Physical Change
What do we call a homogeneous mixture of two or more substances?
Solution
What do we call a characteristic of a substance that describes its ability to undergo a chemical reaction?
Chemical Property
What do we call a combination of two or more substances that are physically mixed together?
Mixture
What do we call a substance made up of two or more different elements?
Compound
What do we call a characteristic of a substance that can be observed or measured without changing its chemical composition?
Physical Property
What is the basic unit of matter?
Atoms
What is the smallest unit of a chemical compound that retains its chemical properties?
Molecule
What do we call a change in a substance that results in the formation of new substances with different chemical properties?
Chemical Change