Day 1 Atomic Theory

Draw

Indicate which of the following is Daltons Model?

Multiple Choice

Which subatomic particles are missing from Daltons model?

• electrons

• protons

• neutrons

• all of the subatomic particles are missing

Multiple Choice

Why do electrons travel toward the Anode (positivity charged plate)?

• The electrons are positively charges and the anode attracts them.

• The electrons are negatively charges and the anode attracts them.

Match

Match the charges to the subatomic particle.

• Electron

• proton

• Neutron

negative

positive

neutral/no charge

• negative

• positive

• neutral/no charge

Multiple Choice

Which subatomic particle did JJ. Thomson discover?

• Proton

• Neutron

• Electron

Open Ended

In you own word, describe the experiment that JJ. Thomson used to discover the electron. (At least 2 sentences)

Draw

Indicate which of the following is JJ Thomsons Model?