Periodic Table

A column on a periodic table is called a

• period

• group

A row on a periodic table is called a

• group

• period

How many valence electrons do the elements in group 1 have?

• 4

• 2

• 3

• 1

How many valence electrons do the elements in group 2 have?

• 4

• 2

• 3

• 1

Metals are

• good conductors of heat and electricity

• malleable

• ductile

• dull

Nonmetals are

• poor conductors of heat and electricity

• shiny

• brittle

• dull

Metalloids are

• excellent conductors of electricity

• poor conductors of electricity

• semi-conductors of electricity

Halogens are located in Group

• 17

• 16

• 18

• 15

Noble Gases are located in Group

• 18

• 17

• 14

• 16

Oxygen Group is located in Group

• 15

• 16

• 17

• 14