Front

How are elements arranged in the periodic table?

Back

Elements are arranged by periods and groups.

Front

How many periods are there in the periodic table?

Back

There are 7 periods in the periodic table.

Front

How many rings or energy shells does Carbon (C) have?

Back

Carbon has 2 rings or energy shells.

Front

What element is in period 2 group 1?

Back

The element in period 2 group 1 is Lithium (Li).

Front

What group or family is lead in?

Back

Lead is in group 14.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What is a period in the periodic table?

Back

A period is a horizontal row in the periodic table.

Front

What is a group in the periodic table?

Back

A group is a vertical column in the periodic table.

Front

What do elements in the same group have in common?

Back

Elements in the same group have similar chemical properties.

Front

What is the significance of the atomic mass?

Back

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