Z:19=1s2 2s2 2p6 3s2 3p6
Z:18=1s2 2s2 2p6 3s2 3p5
Z:15=1s2 2s2 2p4 3s2 3p5
Z:20=1s2 2s2 2p6 3s2 3p6 4s2
Verdadero
Falso
As
Br
BR
Br
Zn
Sr
RB
Rb
Rb
Verdadero
Falso
Verdad
Falso
S, d, p, f, k
F,p,s,d,o
S, d, p, f
D,p,fx,l
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