GB2425S1 - Unit 2 Test (C)

Front

What is the solvent in salt water?

Back

Water is the solvent in salt water.

Front

What is the rule that states atoms want to fill their outermost shell with electrons?

Back

The octet rule.

Front

What is the region where a substrate binds to an enzyme called?

Back

Active site.

Front

What macromolecule is characterized by its hydrophobic properties and includes fats and oils?

Back

Lipid.

Front

What is the formula to calculate atomic mass?

Back

Neutrons + Protons = Atomic Mass.

Front

What is the term for a substance that speeds up a chemical reaction without being consumed?

Back

Catalyst.

Front

What is the basic unit of matter?

Back

Atom.

Front

What are the three subatomic particles found in an atom?

Back

Protons, Neutrons, Electrons.

Front

What is the charge of a neutron?

Back

Neutrons have no charge (neutral).

Front

What is the charge of an electron?

Back

Electrons have a negative charge.