Atoms

Tiny particles that make up matter

• atoms

• ions

• molecules

Tags

NGSS.MS-PS1-1

Which subatomic particle can be found in levels or shells around the nucleus?

• protons

• neutrons

• electrons

Which subatomic particle determines the identity of the atom (atomic number)?

• proton

• neutron

• electron

Atoms are composed of __________ particles.

• subatomic

• positive

• matter

• neutral

Tags

NGSS.MS-PS1-1

Label the subatomic particles in this atom

a

b

c

quark

nucleus

proton

electron

positron

neutron

Tags

NGSS.MS-PS1-1

Label the proton in this atom

a

b

c

nucleus

neutron

electron

proton

Tags

NGSS.MS-PS1-1

Which subatomic particle gives the atom its identity? (tells the element) Click the correct LABEL.

Tags

NGSS.MS-PS1-1

The particles with no charge in an atom are the _______.

• electrons

• neutrons

• protons

• protons and neutrons

Tags

NGSS.MS-PS1-1

Which arrow points to the neutrons?

Tags

NGSS.MS-PS1-1

Which arrow points to the electrons?

Tags

NGSS.MS-PS1-1