Question

qual e a distribuiçao eletronica de 12mg 20ca 26fe 35br

Answer 1

12MG 
1s2, 2s2, 2p6, 3s2 
20CA
1s2, 2s2, 2p6, 3s2, 3p6, 4s2 
26FE
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d6 
35BR
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p5 

Answer 2

Resposta:

Explicação:

12MG

1s2, 2s2, 2p6, 3s2

20CA

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

26FE

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

35BR

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