Atoms

Which subatomic particle has a positive (+) charge?

• electron
• electron shell or cloud

• proton
• neutron

Choose the subatomic particle that is neutral, or has no charge.

• nucleus
• neutron
• proton
• electron

An electron has a _____ charge.

• negative
• positive
• neutral

Tags

NGSS.MS-PS2-3

Which particle(s) are located in the nucleus of an atom?

• protons and neutrons
• protons only

• electrons and protons

• electrons and neutrons

Tags

NGSS.MS-PS1-1

Based on the element square seen here, Nitrogen has __ protons.

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

What is at the center of every atom?

• An electron
• A compound
• A molecule
• A nucleus

In an atom, what is the number of protons equal to?

• The number of electrons

• The number of neutrons

• The number of molecules

• The number of atoms

Tags

NGSS.MS-PS1-1

What number indicates an electron?

• 1
• 2
• 3
• 4

What number indicates the nucleus?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-LS1-2

What number indicates the proton?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1