Periodic Table

Front

In the modern periodic table, elements are arranged by:

Back

atomic number

Front

Each column in the periodic table is called a

Back

group

Front

The yellow atoms are called: metals, nonmetals, metalloids, noble gases

Back

nonmetals

Front

How many electrons does Oxygen need to fill its outer shell?

Back

2

Front

How many valance electrons does Iodine have?

Back

7

Front

Bromine is in period _______.

Back

4

Front

Beryllium is in group number?

Back

Group 2

Front

The periodic table has __ periods.

Back

7

Front

An element's identity is determined by the number of

Back

protons.

Front

Group 18 elements are known as the _____ _____ and have full valence shells.

Back

noble gases.