Periodic Table Intro

Front

What element is in period 2 group 1?

Back

Lithium (Li)

Front

How many periods are in the periodic table?

Back

7

Front

How many rings or energy shells does Gold (Au) have?

Back

6

Front

How are elements arranged in the periodic table?

Back

By periods and groups.

Front

How many valence electrons does Oxygen (O) have?

Back

6

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is a period in the periodic table?

Back

A horizontal row of elements.

Front

What is a group in the periodic table?

Back

A vertical column of elements.

Front

What do elements in the same group have in common?

Back

They have similar chemical properties.

Front

What is the significance of the atomic mass?

Back

It indicates the average mass of an element's atoms.