Question

3. In the periodic table of the elements, in a period from left to right atomic radius gradually

a. Increases. (বাঢ়ে)
b. Decreases.(কমে)
c. Remains same. (একেই থাকে)
d. None of the above.(ওপৰৰ ওটাও নহয়)
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Answer 1

Answer:

b. Decreases

Explanation:

This is because as one moves across a period, the number of both electrons and protons increases, leading to an increase in the forces of attraction between the electrons and protons.

This increases the effective nuclear charge of the atom and hence, the atomic size reduces.