Semester 2 Final Study Guide

Front

Atom

Back

The smallest unit of matter

Front

Element

Back

A pure substance made of only one kind of atom

Front

Molecule

Back

Two or more atoms joined together (can be the same or different types of atoms)

Front

Compound

Back

A substance made of different types of atoms bonded together

Front

Surface tension

Back

A "skin-like" surface that forms on liquids, like water, caused by the attraction between water molecules

Front

Cohesion

Back

When molecules of the same kind stick together

Front

Adhesion

Back

When molecules of different kinds stick together

Front

Subscript

Back

A small number written after a chemical symbol in a formula that tells how many atoms of that element are in a molecule

Front

Chemical equation

Back

A way to show a chemical reaction using symbols and formulas. It shows what goes in and what comes out

Front

Product

Back

What comes out of a chemical reaction