問題一覧
1
Rb
rubidium
2
Sr
strontium
3
Y
yttrium
4
Zr
zirconium
5
Nb
niobium
6
Mo
molybdenum
7
Tc
technetium
8
Ru
ruthenium
9
Rh
rhodium
10
Pd
palladium
11
Ag
silver
12
Cd
cadmium
13
In
indium
14
Sn
tin
15
Sb
antimony
16
Te
tellurium
17
I
iodine
18
Xe
xenon
19
Cs
cesium
20
Ba
barium
21
La
lanthanum
22
Hf
hafnium
23
Ta
tantalum
24
w
tungsten
25
Re
rhenium
26
Os
osmium
27
Ir
iridium
28
Pt
platinum
29
Au
gold
30
Hg
mercury
31
Tl
thallium
32
Pb
lead
33
Bi
bismauth
34
Po
polonium
35
As
astatine
36
Rn
radon
37
Fr
francium
38
Ra
radium
39
Ac
actinium
40
U
uranium
41
Nh
nihonium