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Sauron [17]
2 years ago
10

Which of the following elements is the most reactive? A. At B.Cl C.I D.Br

Chemistry
1 answer:
adell [148]2 years ago
6 0

Answer:

B.  Cl.

Explanation:

These are Group  7 elements whose reactivity reduces as you go down the group. Chlorine  has a smaller atoms than the rest and has a stronger  tendency to grab an electron in its valency shell. This is because its nucleus is closer to the outer electrons than the other elements.

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