Unit 2 Atomic Structure Test Review

This quiz will go through everything we learned this unit, with 1 question per topic.

Assume each concept in this Quizizz will be on your test this week Wednesday/Thursday.

Take note with concepts you struggle with, these are ones you need to practice more and/or seek extra help to understand.

• Sounds good!

• no.

What did Rutherford discover about atoms?

• An atom is always negatively charged.

• An atom is mostly empty space, but has a dense positively charged center(nucleus).

• An atom is always positively charged.

• All particles will pass straight through gold foil with no change in path.

What did Thomson discover?

• electron
• proton
• neutron
• electron cloud

Which part of the atomic theory did Niels Bohr prove?

• there are electrons

• there is a nucleus

• electrons are in energy levels

• gold foil experiment

What determines the identity of the atom?

• protons

• neutrons

• electrons

• isotopes

Which shows the correct parts of the nucleus?

• Neutron and Electron

• Neutron and Proton

• Proton and Electron

• Proton, Neutron and Electron

Which part of an atom has the smallest mass?

• Proton

• Neutron

• Electron

• They are all the same

Which part of an atom has a positive charge?

• Proton

• Neutron

• Electron

• None of them

Which part of an atom has a negative charge?

• Proton

• Neutron

• Electron

• None of them

Which part of an atom has no charge?

• Proton

• Neutron

• Electron

• None of them