E – 3d8
G – 3p4
J – 4f3
M – 4s1

Com relação a estes dados assinale a alternativa correta:

a) G e M formam composto iônico, cuja fórmula é G2M
b) o íon J+3 possui como subnível mais energético o 6s2
c) E e J formam composto covalente de fórmula química E2J3
d) o elétron do átomo E, com os números quânticos: n = 4; ? = 0; m? = 0 ms= -1/2, pertence ao subnível 4s
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MINHA DÚVIDA É:

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