Question

Atomic radius of hydrogen is 37pm. Express it in metres. And explain how does atomic size vary in a group & in a period.​

Answer 1

Answer:

37×10^-12m

Explanation:

1pm = 10^-12 m

37pm= 37×10^-12m

down a group , atomic size increases due to decrease in effective nuclear charge.

along a period from left to right , atomic size decreases due to increase in effective nuclear charge

Answer 2

Answer:

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