End of module 3 Review Packet

Front

What happens to the charge of an atom with 10 protons and 10 electrons if you add 1 more electron?

Back

It becomes a negative ion.

Front

What particle has a mass of 4 and a charge of +2?

Back

Alpha particle.

Front

What is fusion?

Back

The process by which multiple small atomic nuclei join together to form a heavier nucleus.

Front

Which atomic particle determines the element?

Back

Protons.

Front

What type of nuclear reaction splits a large unstable nucleus into smaller ones?

Back

Fission.

Front

What is the charge of a proton?

Back

+1.

Front

What is the charge of an electron?

Back

-1.

Front

What is the mass of a neutron?

Back

Approximately 1 atomic mass unit (amu).

Front

What is the nucleus of an atom composed of?

Back

Protons and neutrons.

Front

What is the difference between fission and fusion?

Back

Fission splits a large nucleus; fusion combines small nuclei.