Atomic Structure Quiz

Who discovered electrons?

• Sir John Joseph Thomson

• James Chadwick

• Ernest Rutherford

• Isaac Newton

Which sub-particle has a relative mass of 0.0005?

• Nucleon

• Neutron

• Electron

• Proton

What is the relative charge of a neutron?

• Zero

• Negative

• Variable

• Positive

What is the total number of protons and neutrons called?

• Nucleons

• Electrons

• Shells

• Nucleus

Which scientist discovered protons?

• Sir John Joseph Thomson

• James Chadwick

• Ernest Rutherford

• Isaac Newton