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An atom has filled n = 1 and n = 2 levels. How many electrons does the atom have? please give process

An atom has filled n = 1 and n = 2 levels. How
many electrons does the atom have?

please give process

Grade:9

1 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
9 years ago
max no of electron in 1orbital is 2 as 1s can accomodate two electron only.
and for 2nd orbital it is 8(combination of 2s and 2p,2p has 6 max electron 2each in px,py,pz)
therefore it follows that if both are filled then total electron=10

thanks and regards
sunil kr
askIItian faculty

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