Atomic Theory and Atomic Structure

This particle is found in the nucleus and has no charge

• Neutron
• Proton
• Electron

Tags

NGSS.HS-PS1-8

This particle is found in the nucleus and has a positive charge

• Electron
• Proton
• Neutron

Tags

NGSS.HS-PS1-8

This is a negatively charged particle found outside the nucleus

• Electron
• Proton
• Neutron

This contains most of the mass of an atom

• Electron Cloud
• Nucleus
• Electron

Tags

NGSS.HS-PS1-8

This is the simplest of all atoms and contains only one proton and one electron

• Oxygen
• Hydrogen
• Water

Tags

NGSS.MS-PS1-1

The first person to ever talk about an atom was

• Democritus
• Rutherford
• Dalton

All matter is made of what?

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

How did Rutherford discover the proton?

• Cathode tube ray experiment
• Gold Foil Experiment
• Planetary Model
• Plum Pudding Model

Who stated that all atoms of the same element are excacty alike?

• Democritus

• Dalton

• Thomson

• Bohr

What scientist is best known for his "Plum Pudding" model of the atom?

• J.J. Tomson
• Ernest Rutherford
• John Dalton
• Democritus