Make 1, Take 1

Front

Balance this equation: H2 + N2 → ?

Back

3H2 + N2 → 2NH3

Front

What is the name of the group of metals that are extremely reactive with water?

Back

Alkali metals

Front

What is the number that tells you if an ion has lost or gained electrons?

Back

Charge

Front

How many groups are on the Periodic Table?

Back

18

Front

What is the process to convert grams of an element to atoms?

Back

Use Avogadro's number and molar mass.

Front

What is the molar mass of Lithium (Li)?

Back

6.94 g/mol

Front

What is the formula for calculating the number of moles?

Back

Moles = mass (g) / molar mass (g/mol)

Front

What is the significance of the atomic number?

Back

It indicates the number of protons in an atom.

Front

What is a cation?

Back

A positively charged ion that has lost electrons.

Front

What is an anion?

Back

A negatively charged ion that has gained electrons.