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In a period, elements are arranged in strict sequence of

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Decreasing charges in the nucleus

Increasing charges in the nucleus

Constant charges in the nucleus

Equal charges in the nucleus

answer is B.

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Detailed Solution

To find the strict sequence followed by elements in a period from the given options.

Formula/Concept to be used:

Modern Periodic Law and Periodic Table

Detailed Solution:

In a period, the elements are strictly arranged in a sequence of increase in atomic number by one unit, i.e., increase in the number of protons by one and thereby increase in charge in the nucleus by one unit.

Therefore, Option B is the correct answer.

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