How many electron potons and mass number in a nucleus of atomic number `11` and mass `24`? (i) number of electron = (ii)number of proton = (iii)number of neutrons =
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A, C
(i) is a nucleus , number of electron `= 0 (," `elecrton don’t reside in the nucleus of atopms ) (ii) number of proton `= 11` (iii) number of reutrons ` 24 - 11 = 13`
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