Chemistry, asked by mastermind1, 1 year ago

it capacity is 18 how 8 electron in outermost shell

Answers

Answered by raoatchut191

atomic number is 18
2 electrons in 1s
2 in 2s
6 in 2p
2 in 3s
6 in 3p
so the valency shell is 3rd and valency electron are
6+2=8

mastermind1: this is ok but i have asking about that in k l m and n shell are having 2 capacity in k 8 in l 18 in m so why we not arrange more than 8 in m shell ?

raoatchut191: we cannot arrange more than 8 in m shell because the number of electrons complete in m by 8 electrons

mastermind1: for example , calcium has electron configuration 2,8,8,2 so why in 3 shell that have 8 electron but it capacity of 3 shell is 18 so it should be 10 why 8 only

mastermind1: anyone is here who can give this answer

pahiroy1221: 8 electrons form a stable shell that's y

mastermind1: ok thanks

pahiroy1221: ur welcome :)

Answered by pahiroy1221

because it is said that 8 electrons form a stable shell because the valence shell has 8 slots and a full shell is the most stable configuration .
i hope it helps....

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