How many inner, outer, and valence electrons are present in an atom of Se?

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Author Question: How many inner, outer, and valence electrons are present in an atom of Se? (Read 953 times)

dollx

Hero Member
Posts: 558

on: Sep 20, 2013

How many inner, outer, and valence electrons are present in an atom of Se?

mpobi80

Hero Member
Posts: 519

Reply #1 on: Sep 20, 2013

total electrons=34

valence electrons=6

inner and outer electrons?

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aero

Hero Member
Posts: 512

Reply #2 on: Sep 20, 2013

total electrons is 34
inner 2
outer 8

total valence electrons would be 8
first only can hold 2, then second holds 8, third holds 8, fourth holds 8, 5th holds 8 totalling 34

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