Respostas

2014-06-25T00:55:46-03:00
A) Sr [kr] 5s2
b) Cs [Xe] 6s1
c) Ag [kr] 4d10, 5s1
d) W [Xe] 6s2, 4f14, 5d4
e) Fr [Rn] 7s1

7 4 7
2014-06-25T08:19:55-03:00
A) [Kr]5s2 

b) [Xe]6s1

c) [Kr] 4d9

d) [Xe]5d4

e) [Rn] 7s1
4 2 4