which of the following pains are Isoban?
a) 17 CL³⁵ & HCL ²⁷
b)18Ar⁴⁰ and 20Ca⁴⁰
(C) 6CL¹² & 6cl¹⁴
d) None of these
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Answer:
17 it is Your answer OK okay bye bye
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