Question

Q17. (i) identify the reason for the decrease of atomic size in the period
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Answer 1

Answer:

Across the period, atomic size decreases because an electron is being added to the same shell and the nuclear charge increases making the atom more compact

Answer 2

Answer:

Reason

Explanation:

As we move across a period the atomic radius size decreases ,atom become small,,,,the outer electrons are closer to the nucleus and more strongly attached to the center.Therefore it's more difficult to remove outermost electron.

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