Periodic Table Basics Review

Front

What is a period in the periodic table?

Back

A horizontal row of elements in the periodic table.

Front

What does the atomic number represent on an element square?

Back

The number of protons in an atom.

Front

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

Back

Mass - Atomic number = Neutrons.

Front

What is the atomic mass of an element?

Back

The total number of protons and neutrons in an atom.

Front

What are the vertical columns on the periodic table called?

Back

Groups.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of the atomic mass?

Back

It indicates the mass of an atom, which is the sum of protons and neutrons.

Front

What are noble gases?

Back

Elements in group 18 of the periodic table that are inert and do not readily react with other elements.

Front

What are nonmetals?

Back

Elements that are typically poor conductors of heat and electricity and are found on the right side of the periodic table.

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals, found along the zig-zag line on the periodic table.