Atoms and Atomic Structure Review

Front

What does the atomic number of an element represent?

Back

The atomic number represents the number of protons in the nucleus of an atom of that element.

Front

What is the average atomic mass of oxygen?

Back

About 16 amu.

Front

How many protons are in an atom of chlorine?

Back

17 protons.

Front

What is the atomic mass of fluorine (F)?

Back

19.

Front

Where are protons and neutrons located in an atom?

Back

In the nucleus of the atom.

Front

What is the charge of an electron?

Back

Negative (-).

Front

What is the charge of a proton?

Back

Positive (+).

Front

What is an electrically neutral atom?

Back

An atom with an equal number of protons and electrons.

Front

How many electrons does a neutral atom of boron have?

Back

5 electrons.

Front

What are the three main subatomic particles?

Back

Protons, neutrons, and electrons.