問題一覧
1
Silicon
Si
2
Titanium
Ti
3
Sodium
Na
4
Strontium
Sr
5
Mercury
Hg
6
Phosphorus
P
7
Fluorine
F
8
Hydrogen
H
9
Chlorine
Cl
10
Antimony
Sb
11
Sulfur
S
12
Neon
Ne
13
Boron
B
14
Tungston
W
15
Cesium
Cs
16
Krypton
Kr
17
Lead
Pb
18
Oxygen
O
19
Gold
Au
20
Helium
He
21
Bromine
Br
22
Silver
Ag
23
Platinum
Pt
24
Beryllium
Be
25
Calcium
Ca
26
Magnesium
Mg
27
Radon
Rn
28
Xenon
Xe
29
Barium
Ba
30
Chromium
Cr
31
Aluminum
Al
32
Iodine
I
33
Carbon
C
34
Manganese
Mn
35
Iron
Fe
36
Cerium
Ce
37
Nitrogen
N
38
Argon
Ar
39
Potassium
K
40
Arsenic
As
41
Palladium
Pd
42
Cadmium
Cd
43
Gallium
Ga
44
Tin
Sn
45
Copper
Cu
46
Uranium
U
47
Lithium
Li
48
Zinc
Zn
49
Cobalt
Co