Chemistry

Front

What is the chemical symbol for Sodium?

Back

Na

Front

How many atoms are in a molecule of laughing gas (N2O)?

Back

3

Front

What gas is produced when vinegar and baking soda are mixed?

Back

Carbon dioxide (CO2)

Front

What are atoms mostly made up of?

Back

Empty space

Front

Are ozone (O3) and oxygen (O2) the same substance?

Back

False

Front

What is the chemical formula for water?

Back

H2O

Front

What is the smallest unit of an element?

Back

Atom

Front

What do we call a substance made of two or more different types of atoms?

Back

Compound

Front

What is the process called when a solid turns into a gas?

Back

Sublimation

Front

What is the pH level of vinegar?

Back

Around 2.5 (acidic)