Atomic Structure

Front

What is the value representing the number of protons in an element?

Back

Atomic Number

Front

What is an atom with a charge called?

Back

Ion

Front

What is the tiny, dense, positively charged portion of the atom that holds most of the atomic mass?

Back

Nucleus

Front

The atomic mass is the number of _______ plus _______.

Back

protons, neutrons

Front

How are neutrons different from electrons?

Back

Neutrons have no charge, while electrons have a negative charge.

Front

What are the negatively charged particles that orbit the nucleus of an atom?

Back

Electrons

Front

What is the center of an atom called?

Back

Nucleus

Front

What is the term for the total number of protons and neutrons in an atom?

Back

Mass Number

Front

What do you call the outermost electrons that determine an atom's chemical properties?

Back

Valence Electrons

Front

What is the term for atoms of the same element with different numbers of neutrons?

Back

Isotopes