Basic Atom

Front

What subatomic particle is found orbiting the nucleus of an atom?

Back

Electrons only.

Front

What is the charge of an electron?

Back

Negative.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of a neutron?

Back

Neutral.

Front

What is the nucleus of an atom composed of?

Back

Protons and neutrons.

Front

What is the term for the region around the nucleus where electrons are likely to be found?

Back

Electron Cloud or shell.

Front

How many electrons can the first shell of an atom hold?

Back

2 electrons.

Front

What is the maximum number of electrons that can be held in the second shell of an atom?

Back

8 electrons.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.