CBSE Class 9 Answered
An atom of an element ‘X’ has 3 orbits around its nucleus. What is its maximum electron holding capacity?
Asked by gpnkumar0 | 11 Mar, 2017, 12:30: PM
Expert Answer
No. of electron in an orbit = 2n2
where, n = number of orbits
Maximum number of electrons for third level = 2 x (32) = 18 electrons
Answered by Prachi Sawant | 11 Mar, 2017, 09:42: PM
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