Atomic Structure Review

Front

The center of an atom is called the ________________.

Back

nucleus

Front

The number 16 for the atomic element sulfur is the ________________.

Back

atomic number

Front

Elements in the same column all have the same number of ________________.

Back

Valence Electrons (Electrons in outer shell)

Front

Subatomic particles that have a negative charge are called ________________.

Back

electrons

Front

Which atom has 4 protons, 4 neutrons, and 5 electrons?

Back

This atom is Beryllium (Be) with an atomic number of 4 and a charge of -1.

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, Electrons

Front

What is the charge of a proton?

Back

Positive charge

Front

What is the charge of a neutron?

Back

Neutral (no charge)

Front

What is the charge of an electron?

Back

Negative charge

Front

What is the atomic mass of an element?

Back

The weighted average mass of an element's isotopes.