Periodic Table Basics Review

Front

How do you calculate the number of neutrons?

Back

Mass - Atomic number = Neutrons

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.

Front

What do the vertical columns on the periodic table represent?

Back

The number of valence electrons (electrons on the outermost shell).

Front

What is the atomic mass?

Back

The total number of protons and neutrons in an atom.

Front

What are the horizontal rows on the periodic table called?

Back

Periods.

Front

What is a proton?

Back

A subatomic particle with a positive charge found in the nucleus of an atom.

Front

What is a neutron?

Back

A subatomic particle with no charge found in the nucleus of an atom.

Front

What is an electron?

Back

A subatomic particle with a negative charge that orbits the nucleus of an atom.

Front

What are groups in the periodic table?

Back

Vertical columns that group elements with similar properties.

Front

What is the significance of the atomic number?

Back

It determines the identity of an element and its position in the periodic table.