Unit 1 Chemistry Final Exam Review

Front

What is the atomic number of Oxygen?

Back

8

Front

How many neutrons does an Oxygen atom have?

Back

8

Front

What must a neutral atom have if it has 12 protons?

Back

12 electrons

Front

What is the term for the energy needed to remove the outermost electron from an atom?

Back

Ionization energy

Front

Which element is least likely to conduct heat and electricity?

Back

Oxygen (O)

Front

What is the mass number of an atom?

Back

The sum of protons and neutrons in the nucleus.

Front

What are the three main subatomic particles?

Back

Protons, neutrons, and electrons.

Front

What charge do neutrons have?

Back

No charge (neutral).

Front

What is the charge of an electron?

Back

Negative.

Front

What is the charge of a proton?

Back

Positive.