PHOSPHORUS
BERYLLIUM
MAGNESIUM
HYDROGEN
NITROGEN
FLUORINE
ALUMINUM
LITHIUM
SILICON
HELIUM
CARBON
OXYGEN
SODIUM
BORON
NEON
T
A
H
L
I
U
R
C
M
W
B
X
D
O
C
G
P
K
E
Q
N
S
O
A
S
H
Y
D
R
O
G
E
N
M
U
O
B
V
I
I
U
F
H
F
N
F
P
B
I
E
U
A
U
I
J
D
L
L
T
P
H
O
S
P
H
O
R
U
S
D
T
J
E
G
U
I
O
R
T
A
I
B
X
V
O
S
Z
Q
W
I
F
A
O
C
T
A
O
F
T
W
O
N
O
O
T
B
Q
Q
I
K
A
O
I
H
B
G
C
X
L
R
P
A
Z
F
L
I
I
U
F
N
S
M
I
E
E
A
Z
P
O
U
U
I
M
E
Y
G
E
A
O
I
L
U
R
N
R
L
E
N
S
H
A
M
T
O
J
R
E
O
I
A
M
Y
Y
B
T
F
X
K
G
I
A
L
U
M
I
N
U
M
F
O
L
P
O
Q
L
H
N
I
A
D
U
V
T
I
F
R
L
X
Q
L
H
N
W
U
E
O
H
E
L
I
U
M
G
I
U
Y
R
E
I
I
O
W
S
O
M
O
I
A
G
L
W
D
O
G
B
B
D
U
Q
C
I
J
Q
I
E
O
X
A
A
E
R
E
N
I
S
U
M
F
U
E
O
E
K
C
J
E
G
Z
I
N
E
C
U
I
E
J
M
X
B
X
J
B
K
U
I
N
N
H
O
T
S
O
D
I
U
M
Z
A
J
O
A
I
E
I
E
R
N
K
H
O
O
F
U
V
