Science, asked by sanjusaharan74, 1 month ago

The elements A, B, C, D and E have atomic number 9, 11, 17, 12 and 13
respectively. Which pair of elements belong to the same group ?
(a) A and B
(b) B and D
(e) A and C
(d) D and E​

Answers

Answered by pushpa6855
4

Answer:

As, both A and C elements have the same number of valence electrons which is 7, hence they belong to the same group, i.e. 17th group of the periodic table. The correct option is C.

Explanation:

Mark As Brain list

Answered by Anonymous
0

Answer:

the correct ans for ur QUESTION is option c A and C

Explanation:

please mark my ans as brainliest please

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