Chemistry Semester Review

Front

Convert 210 mm to cm

Back

21 cm

Front

Subatomic particles with a negative charge

Back

Electrons

Front

Find the number of moles of 8.0g of bromine liquid

Back

0.1

Front

What happens when my glass of water is sitting in the sun and disappears into a gas?

Back

Evaporation

Front

Subatomic particles with a positive charge

Back

Protons

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the formula for calculating moles?

Back

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

Front

What is the process of a solid turning into a liquid called?

Back

Melting

Front

What is the process of a liquid turning into a solid called?

Back

Freezing

Front

What is the pH scale used for?

Back

To measure the acidity or basicity of a solution.