Question

In the periodic table of the elements, in a
period from left to right atomic radius gradually increases or decreases​

Answer 1

Answer:

decreases

Explanation:

The atomic radius of atoms generally decreases from left to right across a period. There are some small exceptions, such as the oxygen radius being slightly greater than the nitrogen radius. Within a period, protons are added to the nucleus as electrons are being added to the same principal energy level.

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