Unit 2 Vocabulary- Fast & Curious

a set of chemical symbols showing the elements present in a compound & their relative proportions

• chemical formula

• compound

• reaction

• chemical change

occurs when two or more elements chemically combine to form a new substance; a chemical reaction involving the rearrangement of atoms

• chemical formula

• compound

• reaction

• chemical change

a combination of two or more pure substances that do not chemically bond and create an IMPURE SUBSTANCE

• element

• compound

• mixture

• subscript

a pure substance made up of two or more elements chemically bonded

• element

• compound

• mixture

• subscript

a reaction involving the rearrangement of atoms

• chemical formula

• chemical reaction

• mixture

• physical change

the way that something happens, or that someone does something, as a result of something else

• compound

• chemical reaction

• reaction

• physical change

the result of a chemical reaction

• new substance

• chemical reaction

• reaction

• subscript

a solid substance that is produced from a liquid during a chemical process

• new substance

• precipitate

• reaction

• subscript

a change in form or state of matter; no chemical change occurs

• new substance

• precipitate

• reaction

• physical change

the number of atoms in a molecule written slightly below the chemical symbol

• subscript

• precipitate

• reaction

• physical change