CW 3.2 Atomic Models and Subatomic Particles

Which of the following has a positive charge?

• Anode

• Neutron

• Electron

• Proton

Which subatomic particles has no charge?

• neutrons

• electrons

• protons

• cathode

Which subatomic particles almost have the same mass?

• electrons and protons

• protons and neutrons

• electrons and neutrons

• none of the above

Who proposed the "PLUM PUDDING MODEL"?

• J.J. Thomson

• Ernest Rutherford

• John Dalton

• Niels Bohr

Which of the following is the model made by Ernest Rutherford through the Gold Foil Experiment?

• 
• 
• 
• 

The model of atom wherein the electrons are said to be at a fixed orbit moving around the nucleus is ________________.

______________ is the term used for the neutrons and protons collectively.

_________________ proposed the Electron Cloud Model.

Planetary Model is proposed by ____________.

Atomic Number is always equal to protons and ____________.