pereodic table eliment

Which elements are alkali metals?

• sodium

• magnesium

• aluminum

• potassium

• calcium

Which elements are alkaline earth metals?

• sodium

• magnesium

• aluminum

• potassium

• hydrogen

Which elements are halogens?

• oxygen

• helium

• chlorine

• sulfur

• carbon

Which elements are noble gases?

a.

b.

c.

d. neon

e.

• helium

• hydrogen

• oxygen

• chlorine

• carbon

How many protons does Lithium (Li) have?

• 3

• 6

• 12

• 25

How many electrons does Sulfur have?

• 12

• 16

• 25

• 35

How many neutrons does Fluorine have?

• 9

• 10

• 18

• 19

This element is the only element on the left side of the periodic table that is a nonmetal.

• Hydrogen

• Lithium

• Calcium

• Helium

How many neutrons does Carbon have?

• 6

• 8

• 12

• 18

How many electrons does Oxygen have?

• 6

• 8

• 10

• 16