問題一覧
1
H weight
1
2
He weight
4
3
Li weight
7
4
Be weight
9
5
B weight
11
6
C weight
12
7
N weight
14
8
O weight
16
9
F weight
19
10
Ne weight
20
11
Na weight
23
12
Mg weight
24
13
Al weight
27
14
Si weight
28
15
P weight
31
16
S weight
32
17
Cl weight
35.5
18
Ar weight
40
19
K weight
39
20
Ca weight
40