Atoms

Smallest possible piece of matter is an:

• atom

• molecule

• element

• neutron

Tags

NGSS.MS-PS1-1

Which part of an atom has the most mass?

• electron cloud

• nucleus

Tags

NGSS.MS-PS1-1

A substance that contains only one type of atom.

• atom

• molecule

• element

Which part of an atom has the least mass?

• electron

• proton

• neutron

Tags

NGSS.MS-PS1-1

The charge on a neutron is:

• positive

• negative

• neutral (no charge)

The charge on a proton is:

• postive

• negative

• neutral (no charge)

The charge of an electron is:

• postive

• negative

• neutral (no charge)

Tags

NGSS.MS-PS2-3

True or False: An electron cloud surrounds a nucleus.

• True

• False

How much mass does an atom's nucleus have?

• Almost all

• Almost none

• Half

How much space does an atom's nucleus take up?

• Almost all.

• Almost none.

• Half

Tags

NGSS.HS-PS1-8