Respostas

2014-07-15T13:16:27-03:00

a) selênlio ->  2:8:18:6
b)polônio -> 2:8:18:32:18:6
c)frância -> 2:8:18:32:18:8:1
d)Ruhbídio -> 2:8:18:8:1
e)antimônio -> 2:8:18:18:5
f)cálcio  -> 2:8:8:2
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