1°) Faça a distribuição em camadas eletrônica.

TABELA DE USO

K igual 2
L igual 8
M igual 18
N igual 32
O igual 32
P igual 18
Q igual 8


a) Ti
81
-------------------------------
b In
49
-------------------------------
c) Pb
82
-------------------------------
d) Mg
12
-------------------------------
e) Fe
26
-------------------------------
f) Br
36
-------------------------------
g) Ba
56
-------------------------------
h) Rr
80
-------------------------------
i) Ra
104
-------------------------------

2+
j) Ca
20
-------------------------------

3-
k) P
15
-------------------------------

+
l) Cs
55

-------------------------------
-
m) Br
35
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