1
UNSTABLENUCLEUS
2
CHAINREACTION
3
CONTROLRODS
4
RADIATION
5
MILLIREM
6
HALFLIFE
7
REACTOR
8
NEUTRON
9
ISOTOPE
10
FISSION
11
URANIUM
12
FUSION
13
GAMMA
14
ALPHA
15
BETA
M
U
R
A
N
I
U
M
R
W
L
N
O
R
T
U
E
N
L
A
M
T
Q
L
L
I
V
C
O
N
T
R
O
L
R
O
D
S
F
T
E
R
O
K
P
Q
R
I
R
K
I
R
A
U
U
J
V
I
K
I
R
C
Z
C
A
S
A
A
G
U
A
N
H
U
O
O
S
P
A
E
I
O
E
D
E
G
D
I
M
S
M
O
L
L
Q
S
I
B
R
A
L
E
U
Q
N
E
I
T
U
C
M
G
C
C
I
K
F
X
E
L
L
B
B
A
A
A
A
P
H
R
A
N
W
O
V
D
U
I
X
O
I
Q
U
B
N
Z
T
A
N
W
G
O
N
D
U
R
S
S
Q
R
M
L
N
E
Q
O
I
A
J
O
U
U
E
Y
U
I
I
W
Z
E
C
F
R
O
S
N
O
T
I
J
K
E
E
Y
E
I
O
N
C
I
B
G
O
N
R
R
N
O
I
C
N
B
H
Y
F
U
N
L
A
V
T
A
T
E
O
X
G
K
F
Y
I
U
L
C
W
F
O
Z
O
X
I
T
A
T
U
L
E
V
Z
T
Q
L
O
L
L
X
P
K
Q
N
H
C
C
O
S
E
O
A
H
E
R
A
N
B
E
S
T
X
P
B
T
A
I
U
R
O
T
U
O
H
S
L
Y
U
I
N
L
P
E
I
E
V
A
X
Z
S
L
X
T
B
O
L
E
Y
A
U
H
N
O
R
U
T
A
U
G
V
Q
O
X
T
N
A
V
E
T
A
O
N
Y
R
E
U
Q
E
L
E
U
C
E
V
T
K
S
Y
E
Q
A
O
P
B
E