Atoms

Anything that has mass and volume

• matter

• atom

• proton

• electron

Tags

NGSS.MS-PS1-5

The smallest complete unit of an element

• matter

• atom

• proton

• electron

Tags

NGSS.MS-PS1-1

The smaller parts that make up atoms

• particles

• subatomic particles

• electron

• proton

Tags

NGSS.MS-PS1-1

Atoms defined by how many protons it has

• matter

• isotope

• element

• compount

Negatively charge particle located outside the nucleus of an atom

• proton

• neutron

• electron

• atom

Tags

NGSS.MS-PS2-3

Positively charged particle located inside the nucleus.

• proton

• neutron

• electron

• atom

Particle with no charge located inside the nucleus.

• proton

• neutron

• electron

• atom

The number of protons in each atom of an element

• atomic number

• mass number

• isotope

• atomic mass

____________________ discovered the nucleus at the center of the atom using his gold foil experiment.

Tags

NGSS.HS-PS1-8

__________________ discovered the electron with the cathode ray tub and developed the Plum pudding model