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Grade 11Physical Chemistry

We know that the electronic configuration of calcium is 2,8,8,2.So why we don’t take 18 rather than 8 in M shell?

kavya sharma

9 Years agoGrade 11

1 Answer

Pushkar

Approved Tutor Answer9 Years ago

Every metal tends to balance its maximum number of shells. According to octet rule a shell is balance if there are 8 electrons in it. Therefore in order to satisfy its 1,2,3 shell i. e more shells there are 8 electrons in third shell and 2 in the last shell. If 10 electrons were put in third shell it would remain unbalanced.

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