Atomic Structure Review

Front

What is the center of the atom called?

Back

Nucleus

Front

What does the group number indicate about an element?

Back

It tells us how many electrons are in the most outer shell of an element.

Front

What does the atomic number of an element represent?

Back

It tells us how many protons the atom has in its nucleus.

Front

When will the overall charge of an atom be positive?

Back

When there are more protons than electrons.

Front

What does the period number indicate about an element?

Back

It tells us how many electron shells an element has.

Front

What are protons?

Back

Protons are positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutrons are neutral particles found in the nucleus of an atom.

Front

What are electrons?

Back

Electrons are negatively charged particles that orbit the nucleus of an atom.

Front

How do you determine the number of neutrons in an atom?

Back

Subtract the atomic number from the atomic mass.

Front

What is the significance of the atomic mass?

Back

The atomic mass is the weighted average mass of an element's isotopes.