Atomic Structure (Subatomic Particles)

The center of an atom is known as the _.

Protons have this type of charge.

• Positive

• Negative

• Neutral (no charge)

What is the charge of electrons?

• Positive

• Negative

• Neutral (no charge)

Which subatomic particle has a negative charge?

• Proton

• Electron

• Neutron

What is the charge of neutrons?

• Positive

• Negative

• Neutral (no charge)

A particle that orbits (moves) around the nucleus is a(n) _.

• Proton

• Electron

• Neutron

What does the nucleus of an atom contain?

• Electrons and protons

• Protons and neutrons

• Neutrons and electrons.

Which of the labelled subatomic particles is a proton?

• A

• B

• C

Which of the labelled subatomic particles is an electron?

• A

• B

• C

1. Subatomic means smaller than the atom and found in the atom.

• True

• False