Counting Atoms

Front

A substance made up of atoms of two or more different elements joined by chemical bonds.

Back

Compound

Front

How many atoms of oxygen are in 3Fe₂O₃?

Back

9

Front

What is the chemical formula for this molecule? N₂H₄

Back

N₂H₄

Front

The number in front of a chemical equation that multiplies the number of atoms.

Back

Coefficient

Front

The arrow in a chemical equation reads as.

Back

Yields

Front

What is the smallest unit of an element that retains the properties of that element?

Back

Atom

Front

What do we call a group of atoms bonded together?

Back

Molecule

Front

What is the term for the number of protons in the nucleus of an atom?

Back

Atomic number

Front

What is the term for the total number of protons and neutrons in an atom's nucleus?

Back

Mass number

Front

What is the term for a bond formed when atoms share electrons?

Back

Covalent bond