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問題一覧
1
silver
ag
2
aluminum
al
3
oxygen
O
4
palladium
pd
5
magnesium
mg
6
manganese
mn
7
iron
fe
8
boron
B
9
cadmium
cd
10
iodine
i
11
helium
He
12
krypton
kr
13
arsenia
as
14
carbon
C
15
xenon
xe
16
chlorine
cl
17
neon
Ne
18
indium
in
19
fluorine
F
20
chromium
cr
21
vanadium
v
22
lithium
Li
23
tellurium
te
24
calcium
ca
25
nitrogen
N
26
scandium
sc
27
antimony
sb
28
nickel
ni
29
potassium
k
30
technetium
tc
31
titanium
ti
32
sulfur
s
33
beryllium
Be
34
gallium
ga
35
selenium
se
36
silicon
si
37
bromine
br
38
sodium
Na
39
phosphorus
p
40
molybdenum
mo
41
tin
sn
42
rubidium
rb
43
cobalt
co
44
argon
ar
45
rhodium
rh
46
yttrium
y
47
ruthenium
ru
48
Hydrogen
H
49
zirconium
zr
50
copper
cu
51
zinc
zn
52
niibium
nb
53
germanium
ge
54
strontium
sr