Question

Which of atomic number represent the s block elemant a) 7,15 b)3,12 c)6,14 d)9,17

Answer 1

a) 7 is nitrogen and15 is phosphorous both are in p block

b) 3 is lithium and 12 is magnesium, both are in s block

c) 6 is carbon and 14 is silicon, both are in p block

d) 9 is fluorine and 17 is chlorine and both are in p block

so according to the condition of question,

b is the right answer