1 1A

18 8A

H

2 1A

13 3A

14 4A

15 5A

16 6A

17 7A

He

Li

Be

B

C

N

O

F

Ne

Na

Mg

3 3B

4 4B

5 5B

6 6B

7 7B

8 8B

9 8B

10 8B

11 1B

12 2B

Al

Si

P

S

Cl

Ar

K

Ca

Ti

Cr

Mn

Fe

Co

Ni

Cu

Zn

Ga

Ge

As

Br

Kr

Mo

Rh

Ag

Cd

Sn

Sb

I

Xe

Cs

Ba

W

Pt

Au

Hg

Pb

Bi

Po

Rn

Fr

La

Ac

U

Metal Nonmetal Semimetal or Metalloid

1 1A

18 8A

H

2 1A

13 3A

14 4A

15 5A

16 6A

17 7A

He

Li

Be

B

C

N

O

F

Ne

Na

Mg

3 3B

4 4B

5 5B

6 6B

7 7B

8 8B

9 8B

10 8B

11 1B

12 2B

Al

Si

P

S

Cl

Ar

K

Ca

Ti

Cr

Mn

Fe

Co

Ni

Cu

Zn

Ga

Ge

As

Br

Kr

Mo

Rh

Ag