A) 23 and 5
B) 23 and 15
C) 33 and 15
D) 33 and 5
Correct Answer: C
Solution :
[c] Atomic number of the given element =15; atomic number of element 'X' will be \[18+15=33;\] group no. of \['X'=10+5\] (valence electrons) = 15, period = 4thYou need to login to perform this action.
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