Quiz - 3.2 Nucleus of the Atom

Overall, the nucleus of an atom has a(n) _____ charge.

• Positive

• Negative

• Neutral

• Magnetic

Tags

NGSS.HS-PS1-8

What force holds the nucleus together?

• The strong nuclear force between protons and neutrons.

• The weak atomic force between neutrons and electrons.

• The force of attraction between the nucleus and electrons.

• The force of attraction between positive and negative particles.

Tags

NGSS.HS-PS1-8

The ____is a small, dense, positively-charged region at the center of the atom.

• proton

• electron

• nucleus

• neutron

Which of the following is NOT a feature of the nucleus of an atom?

• The nucleus is located at the center of the atom.

• The nucleus contains electrons and neutrons.

• The nucleus has a tiny size relative to the total space occupied by the atom.

• The nucleus contains protons and neutrons.

The small, dense region at the center of an atom is the _____.

• electron

• proton

• nucleus

• neutron

Tags

NGSS.MS-PS1-1

An atom containing an equal number of protons and electrons is electrically neutral.

• True

• False

Because protons and neutrons are comparable in size and mass, they have the same charge.

• True

• False

The nucleus has an overall neutral charge.

• True

• False

There is an electrical force of repulsion between protons in the nucleus.

• True

• False

Tags

NGSS.HS-PS2-4

The nucleus of the atom is a positively charged region at the center of an atom, which consists of protons and neutrons.

• True

• False