Put the scientists in order based on the order they contributed to the atomic theory.

• Rutherford

• Democritus

• Bohr

• Thompson

• Dalton

Put the models of atomic theory from earliest to latest.

• Nuclear

• Electron Cloud

• Planetary

• Chocolate Chip Cookie

• Solid Sphere

Match the scientist with the correct atomic model.

• Bohr

• 
• Quantum Theory

• 
• Rutherford

• 
• Thompson

• 
• Dalton

• 

Organize these options into the right categories

Groups:

(a) Dalton

,

(b) Thompson

,

(c) Rutherford

,

(d) Bohr

• 1913

• Atoms cannot be divided

• Solid Sphere Model

• Discovered Protons

• Discovered the nucleus

• Discovered that electrons move on energy levels

• 1911

• Gold Foil Experiment

• Atoms of a particular element are all alike

• 1897

• Discovered the electron

• 
• Nuclear Model

• Planetary Model

• Chocolate Chip Cookie Model

• 
• 
• 1808

• 

Tags

NGSS.MS-PS1-1

Identify an electron.

Tags

NGSS.HS-PS1-1

Identify a proton.

Identify a neutron.

Tags

NGSS.HS-PS1-8

Identify the particles found in the nucleus of an atom.

• Protons

• Protons & Neutrons

• Electrons

• Neutrons & Electrons

Match the atomic particle with the correct charge.

• -

• Neutron

• 0

• Electron

• +

• Proton

The first person to ever talk about an atom was

• Democritus
• Rutherford
• Dalton