問題一覧
1
Hydrogen
H
2
Helium
He
3
Lithium
Li
4
Beryllium
Be
5
Boron
B
6
Carbon
C
7
Nitrogen
N
8
Oxygen
O
9
Fluorine
F
10
Neon
Ne
11
Sodium
Na
12
Magnesium
Mg
13
Aluminum
Al
14
Silicon
Si
15
Phosphorus
P
16
H
Hydrogen
17
He
Helium
18
Li
Lithium
19
Be
Beryllium
20
B
Boron
21
C
Carbon
22
N
Nitrogen
23
O
Oxygen
24
F
Fluorine
25
Ne
Neon
26
Na
Sodium
27
Mg
Magnesium
28
Al
Aluminum
29
Si
Silicon
30
P
Phosphorus
31
S
Sulfur
32
Sulfur
S
33
Cl
Chlorine
34
Chlorine
Cl
35
Argon
Ar
36
K
Potassium
37
Potassium
K
38
Ca
Calcium
39
Calcium
Ca
40
Sc
Scandium
41
Scandium
Sc
42
Titanium
Ti
43
Ti
Titanium
44
Vanadium
V
45
V
Vanadium
46
Chromium
Cr
47
Cr
Chromium
48
Mn
Manganese
49
Manganese
Mn
50
Fe
Iron
51
Iron
Fe
52
Cobalt
Co
53
Co
Cobalt
54
Ni
Nickel
55
Nickel
Ni
56
Cu
Copper
57
Copper
Cu
58
Zn
Zinc
59
Zinc
Zn
60
Ga
Gallium
61
Gallium
Ga
62
Ge
Germanium
63
Germanium
Ge
64
As
Arsenic
65
Arsenic
As
66
Se
Selenium
67
Selenium
Se
68
Br
Bromine
69
Bromine
Br
70
Kr
Krypton
71
Krypton
Kr
72
Rb
Rubidium
73
Rubidium
Rb
74
Strontium
Sr
75
Sr
Strontium
76
Y
Yttrium
77
Yttrium
Y
78
Zr
Zirconium
79
Nb
Niobium
80
Niobium
Nb
81
Molybdenum
Mo
82
Tc
Technetium
83
Technetium
Tc
84
Ru
Ruthenium
85
Ruthenium
Ru
86
Rh
Rhodium
87
Rhodium
Rh