Atomic Theory and Structure

What subatomic particle has a negative charge and is found outside of the nucleus?

• Electron

• Proton

• Nucleus

• Neutron

Which subatomic particle has a positive charge and is found inside the nucleus?

• Electron

• Proton

• Neutron

• Nucleus

Which subatomic particle has a neutral charge and is found inside the nucleus?

• Electrons

• Protons

• Neutrons

• Nucleus

Which scientist developed this model?

• Dalton

• Thomson

• Rutherford

• Bohr

Tags

NGSS.MS-PS1-1

True or False: This model is considered the most modern of all the models we have discussed.

• True

• False

Which scientist discovered the electron and proposed the model above (which looks like a chocolate chip cookie)?

• Dalton

• Thomson

• Rutherford

• Bohr

Tags

NGSS.MS-PS1-1

Which scientist discovered the nucleus from his gold foil experiment?

• Dalton

• Thomson

• Rutherford

• Bohr

J.J. Thomson provided evidence that an atom...

• is the smallest particle of matter
• contains negatively charged particles
• has an overall negative charge
• has an overall positive charge

Tags

NGSS.MS-PS1-1

Rutherford discovered the...

• electron
• proton
• neutron
• nucleus

Tags

NGSS.HS-PS1-8

an element will always have the same number of 

• neutrons
• protons
• isotopes
• atoms

Tags

NGSS.MS-PS1-1