Question

●Assertion: Atomic size of magnesium is more than that of sodium. ●Reason: Magnesium has less effective nuclear charge i.e., less number of protons attract less number of electrons than Sodium. [ What is the answer? Opt (a) Both A and R are true and R is the correct explanation of A (b) Both A and R are true but R is not the correct explanation of A (c) A is true but R is false (d) R is true but A is false ] ​

Answer 1

Answer:

In the periodic table, the atomic radius increases from left to right.

Reason:

The number of protons is increasing from left to right

Explanation:

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