1.4 Structure of the Atom

Front

What charge does a neutron have?

Back

Neutral

Front

What are the negatively charged particles of an atom?

Back

Electrons

Front

What is the center of an atom that holds protons and neutrons?

Back

Nucleus

Front

What is the mass of a proton or neutron?

Back

1 a.m.u

Front

Where do electrons exist in an atom?

Back

Outside the nucleus.

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.

Front

What is an electron?

Back

A subatomic particle with a negative charge.

Front

What is the role of neutrons in an atom?

Back

Neutrons help stabilize the nucleus.

Front

What is the difference between mass number and atomic number?

Back

Mass number is the total number of protons and neutrons, while atomic number is just the number of protons.