Elements, Compounsd, Mixtures

Elements are the 1) _____ ____ of matter and cannot be 2) ______ ____ into simpler

substances.

Identify the group and period in the periodic table.

a

b

Group

Period

State the period of silicon.

• 1

• 2

• 3

• 4

State the group of fluorine.

• 2

• 9

• 17

• 19

Barium is a non-metal.

• True

• False

Selenium is a non-metal.

• True

• False