Question

Write scientific reasons.
a. Atomic radius goes on decreasing
while going from left to right in a
period
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Answer 1

Answer:

          Atomic size gradually decreases from left to right across a period of elements. This is because, within a period or family of elements, all electrons are added to the same shell. ... The valence electrons are held closer towards the nucleus of the atom. As a result, the atomic radius decreases.

Answer 2

Explanation:

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