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