Energy of an electron is not constant which it is in particular orbit ( true or false )

the answer is true

I hope it will help you

Explanation:

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since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.

your answer would be “dry”