問題一覧
1
Cesium
cs
2
Oxygen
o
3
Nitrogen
n
4
Krypton
kr
5
Sodium
na
6
Uranium
u
7
Radium
ra
8
Tin
sn
9
Magnesium
mg
10
Tin
sn
11
Chromium
cr
12
Lodine
l
13
Manganese
mn
14
Beryllium
be
15
Sulfur
s
16
Carbon
c
17
Sodium
na
18
Chlorine
cl
19
Nickel
ni
20
Cobalt
co
21
Rubidium
rb
22
Helium
he
23
Manganese
mn
24
Bromine
br
25
Aluminum
al
26
Phosphorus
p
27
Copper
cu
28
Iron
fe
29
Lithium
li
30
Iron
fe
31
Chromium
cr
32
Copper
cu
33
Lodine
l
34
Silicon
si
35
Calcium
ca
36
Hydrogen
h
37
Argon
ar
38
Xenon
xe
39
Gold
au
40
Aluminum
al
41
Silicon
si
42
Lead
pb
43
Zinc
zn
44
Radon
rn
45
Lead
pb
46
Platinum
pt
47
Hydrogen
h
48
Zinc
zn
49
Bismuth
bi
50
Fluorine
f
51
Francium
fr
52
Fluorine
f
53
Barium
ba
54
Silver
ag
55
Rubidium
rb
56
Potasium
k
57
Neon
ne
58
Silver
ag
59
Mercury
hg
60
Strontium
sr
61
Chlorine
cl
62
Nickel
ni
63
Mercury
hg
64
Strontium
sr
65
Cesium
cs
66
Radon
rn
67
Boron
b
68
Sulfur
s
69
Gold
au
70
Xenon
xe