Atomic Structure and the Periodic Table

The center of an atom is called the _____.

• proton

• electron

• neutron

• nucleus

Tags

NGSS.MS-PS1-1

The subatomic particles that have a negative charge are called the _____.

• protons

• electrons

• neutrons

• nucleus

Tags

NGSS.MS-PS1-1

The subatomic particles that have a positive charge are called the _____.

• protons

• electrons

• neutrons

• nucleus

Tags

NGSS.MS-PS1-1

The subatomic particles that have no charge (neutral) are called the _____.

• protons

• electrons

• neutrons

• nucleus

Tags

NGSS.MS-PS1-1

(Select ALL that apply.) The particles that make up the nucleus are the _____.

• protons

• electrons

• neutrons

• nucleus

Tags

NGSS.MS-PS1-1

These tiny particles are found orbiting around the nucleus.

• protons

• electrons

• neutrons

• nucleus

Tags

NGSS.MS-PS1-1

Which are of the following are subatomic particles. Select three:

• Protons

• Neutrons

• Electrons

• Nucleus

The atomic number of an atom is based on the number of ___ in the atom.

• protons

• electrons

• neutrons

• energy levels

Tags

NGSS.MS-PS1-1

(Select the two correct answers.) The atomic mass of an atom is based on the number of ___ in the atom.

• protons

• electrons

• neutrons

• energy levels

Tags

NGSS.MS-PS1-1

Which is an electron?

• A
• B
• C

Tags

NGSS.MS-PS1-1