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12 ​ Mg ( A r ​ = 12 ) Mg 2 + 26 ​ Fe ( A r ​ = 56 ) Fe 2 + Fe 3 + 8 ​ O ( A r ​ = 16 ) O 2 − 24 ​ Cr ( A r ​ = 52 ) Cr 3 + 35 ​ Br ( A r ​ = 80 ) Br − 29 ​ Cu ( A r ​ = 63 , 5 ) Cu 2 + 19 ​ K ( A r ​ = 39 ) K + Dari data spesi diatas, tentukankonfigurasi elektron yang stabil!

 

Dari data spesi diatas, tentukan konfigurasi elektron yang stabil!

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I. Solichah

Master Teacher

Jawaban terverifikasi

Jawaban

konfigurasi stabilnya seperti uraian diatas pada saat keadaan ion.

konfigurasi stabilnya seperti uraian diatas pada saat keadaan ion.

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Pembahasan

Konfigurasi elektron yang stabil merupakan konfigirasi elektron yang menyerupai gas mulia (memiliki elektron valensi 2 atau 8) atau dalam keadaan ionnya. Jadi, konfigurasi stabilnya seperti uraian diatas pada saat keadaan ion.

Konfigurasi elektron yang stabil merupakan konfigirasi elektron yang menyerupai gas mulia (memiliki elektron valensi 2 atau 8) atau dalam keadaan ionnya.

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell Mg presubscript 12 space end cell equals cell 1 s squared space 2 s squared space 2 p to the power of 6 space 3 s squared end cell row cell Mg to the power of 2 plus sign end cell equals cell 1 s squared space 2 s squared space 2 p to the power of 6 end cell row cell Fe presubscript 26 space end cell equals cell 1 s squared space 2 s squared space 2 p to the power of 6 space 3 s squared space 3 p to the power of 6 space 4 s squared space 3 d to the power of 6 end cell row cell Fe to the power of 2 plus sign end cell equals cell 1 s squared space 2 s squared space 2 p to the power of 6 space 3 s squared space 3 p to the power of 6 space 3 d to the power of 6 end cell row cell Fe to the power of 3 plus sign end cell equals cell 1 s squared space 2 s squared space 2 p to the power of 6 space 3 s squared space 3 p to the power of 6 space 3 d to the power of 5 end cell row cell O presubscript 8 space end cell equals cell 1 s squared space 2 s squared space 2 p to the power of 4 end cell row cell O to the power of 2 minus sign end cell equals cell 1 s squared space 2 s squared space 2 p to the power of 6 end cell row cell Cr presubscript 24 space end cell equals cell 1 s squared space 2 s squared space 2 p to the power of 6 space 3 s squared space 3 p to the power of 6 space 4 s squared space 3 d to the power of 4 end cell row cell Cr to the power of 3 plus sign end cell equals cell 1 s squared space 2 s squared space 2 p to the power of 6 space 3 s squared space 3 p to the power of 6 space 3 d cubed end cell row cell Br presubscript 35 space end cell equals cell 1 s squared space 2 s squared space 2 p to the power of 6 space 3 s squared space 3 p to the power of 6 space 4 s squared space 3 d to the power of 10 space 4 p to the power of 5 end cell row cell Br to the power of minus sign end cell equals cell 1 s squared space 2 s squared space 2 p to the power of 6 space 3 s squared space 3 p to the power of 6 space 4 s squared space 3 d to the power of 10 space 4 p to the power of 6 end cell row cell Cu presubscript 29 space end cell equals cell 1 s squared space 2 s squared space 2 p to the power of 6 space 3 s squared space 3 p to the power of 6 space 4 s to the power of 1 space 3 d to the power of 10 space end cell row cell Cu to the power of 2 plus sign end cell equals cell 1 s squared space 2 s squared space 2 p to the power of 6 space 3 s squared space 3 p to the power of 6 space 3 d to the power of 9 space end cell row cell K presubscript 19 space end cell equals cell 1 s squared space 2 s squared space 2 p to the power of 6 space 3 s squared space 3 p to the power of 6 space 4 s to the power of 1 end cell row cell K to the power of plus sign end cell equals cell 1 s squared space 2 s squared space 2 p to the power of 6 space 3 s squared space 3 p to the power of 6 end cell end table end style 

Jadi, konfigurasi stabilnya seperti uraian diatas pada saat keadaan ion.

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