Question

faca a distribuição eletrônica para os elementos a)12Mg,b)20Ca,c)26Fe,d)35Br,e)56Ba,f)86Rn,g)104Rf

Answer 1

a) Mg= 1s2 2s2 2p6 3s2 --> b)Ca= 1s2 2s2 2p6 3s2 3p6 4s2 --> c) Fe= 1s2 2s2 2p6 3s2 3p6 4s2 3d6 --> d)Br= 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5 --> e) Ba= 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 --> f)Rn= 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 --> g)Rf= 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d2.

Answer 2

Resposta:

1)- Mg 12

1s2, 2s2, 2p6, 3s2

2)- Ca 20

1s2, 2s2, 2p6, 3s2, 3p6, 4s2

3)- Fe 26

1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d6

4)-Br 35

1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p5

5)- Ba 56

1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 4p6, 5s2, 4d10, 5p6, 6s2

6)- Rn 86

1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 4p6, 5s2, 4d10, 5p6, 6s2, 4f14, 5d10, 6p6

7)- Rf 104

1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6, 4p6, 5s2, 4d10, 5p6, 6s2, 4f14, 5d10, 6p6, 7s2, 5f14, 5d2.