Considere as configurações eletrônicas de quatr
Considere as configurações eletrônicas de quatr
o elementos químicos:
I. 1s
2
2s
2
.
II. 1s
2
2s
2
2p
6
3s
2
3p
6
3d
10
4s
2
.
III. 1s
2
2s
2
2p
6
3s
2
3p
6
3d
10
4s
2
4p
5
.
IV. 1s
2
2s
2
2p
6
3s
2
3p
6
3d
10
4s
2
4p
6
5s
2
Qual deles apresenta tendência a formar um ânion?
a) I.
b) II.
c) III.
d) IV.
e) I ou II.







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