問題一覧
1
Al
13
2
K
1-19
3
Ca
2-20
4
Mg
2-12
5
He
18-2
6
F
17-9
7
Ar
18
8
Na
1-11
9
Ne
18-10
10
Li
1-3
11
B
13-5
12
N
15-7
13
P
15
14
Si
14
15
H
1
16
O
16-8
17
C
14-6
18
Be
2-4
19
Cl
17
20
S
16
問題一覧
1
Al
13
2
K
1-19
3
Ca
2-20
4
Mg
2-12
5
He
18-2
6
F
17-9
7
Ar
18
8
Na
1-11
9
Ne
18-10
10
Li
1-3
11
B
13-5
12
N
15-7
13
P
15
14
Si
14
15
H
1
16
O
16-8
17
C
14-6
18
Be
2-4
19
Cl
17
20
S
16