Nuclear Physics

Which of these are FALSE about nucleons?

• Nucleons are subatomic particles.

• Nucleons are located in the nucleus of an atom.

• Protons or neutrons are nucleons.

• Nucleons are has negative electric charge.

Neutrons ......

• has positive electric charge with equal magnitude to that of an electron.

• has no net electric charge.

• has negative electric charge.

• orbiting the nucleus.

Tags

NGSS.HS-PS1-8

Who first discovered neutron?

• Ernest Rutherford

• Sir James Chadwick

• Neils Bohr

• J. J. Thompson

What force that keep the protons and neutrons together and stable in the nucleus?

• Columbic Force

• Gravitational Force

• Centripetal Force

• Nuclear force.

Atomic number, Z is ...

• the number of protons in a nucleus.

• the number of neutrons in a nucleus.

• the number of nucleons in a nucleus.

Neutron number, N is ...

• the number of protons in a nucleus.

• the number of neutrons in a nucleus.

• the number of nucleons in a nucleus.

Mass number, A is ....

• the number of protons in a nucleus.

• the number of neutrons in a nucleus.

• the number of nucleons in a nucleus.

Most of the mass of an atom is located in its...

• isotopes
• electrons
• nucleus
• electric charge

The number of protons in an atom tells you

• which isotope it is
• which element it is
• which molecule it is
• which atom it is

The number of nucleons (neutrons and protons) in the nucleus tells you

• which isotope it is
• which element it is
• which atom it is
• which molecule it is