Atomic Structure

Which subatomic particle has no charge or a neutral charge?

• Protons

• Neutrons

• Electrons

Protons have a _____ charge.

• Positive

• Negative

• Neutral

The nucleus of an atom is made of what subatomic particle(s)?

• Protons

• Neutrons

• Electrons

Tags

NGSS.MS-PS1-1

Which subatomic particle floats around/outside the nucleus?

• Protons

• Neutrons

• Electrons

The atomic number tells us how many _____ there are in the atom.

• Protons

• Neutrons

The atomic mass tells us how many protons and neutrons there are in total.

• True

• False

How many protons are in an atom with an atomic number of 12?

• 12

• 24

• 6

• 13

What does the atomic mass tell us about an atom?

• The number of protons

• The number of protons and neutrons

• The number of protons and electrons

• The number of electrons

Electrons are organized into levels called shells.

• True

• False

Neutrons have a _____ charge.

• Positive

• Negative

• Neutral