Chemistry Unit Exam: REVIEW

Front

Which of the following is NOT a particle found in an atom?

Back

Molecule

Front

What happens to red and blue litmus paper when testing an acid?

Back

Red paper remains red, blue paper turns red.

Front

Why is water considered a polar molecule?

Back

Because it has an uneven balance of charge.

Front

What type of bond is formed when atoms share electrons?

Back

Covalent bond.

Front

How many total electrons does an atom with 8 electrons have?

Back

8.

Front

What is the charge of a neutron?

Back

Neutral.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of an electron?

Back

Negative.

Front

What is an acid?

Back

A substance that donates protons (H+) in a solution.

Front

What is a base?

Back

A substance that accepts protons (H+) in a solution.