please give me electronic configuration of iron for writing it's valency
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Iron it's atomic number is 26
It's electronic configuration - 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^6.
It's electronic configuration - 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^6.
Deekshii1:
thq
only six will be there
welcome
o hello
last ma 3d6 4s2 ha
??
what??
how??
we fill 4s orbital before 3d orbital.
You need to know order of filling orbitals. there is a rule
Answered by
3
1s2 2s2 2p6 3s2 3p6 4s2 3d6 4s2
ok
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