Periodic Table

What is the chemical symbol for iron?

• I

• Ir

• Fe

• R

What is iron's atomic number?

• 12

• 26

• 55.85

• 55

Titanium is in group 4. What period is it in?

• 2

• 3

• 4

• 5

Zinc is in period 4. What group is it in?

• 12

• 13

• 14

• 15

What family is copper in?

• alkali metals

• alkaline earth metals

• noble gases

• transition metals

Krypton is in what group?

• 16

• 17

• 18

• 19

What is iodine's atomic mass?

• 53

• 126.9

• 130

• 52

What element is the chemical symbol Au?

• gold

• silver

• Augium

• Auxiom

What is silver's chemical symbol?

• S

• Ag

• Si

• I

What is calcium's atomic number?

• 20

• 21

• 22

• 23