Chemistry, 05.11.2020 01:00 lildebiecakes

What is the main reason the size of atom decreases across the period? the number of energy levels decreases

the number of protons decreases

the number of energy levels increases

the number of protons increases

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What is the main reason the size of atom decreases across the period? the number of energy levels decreases the number of protons decreases the number of energy levels increases the number of protons increases

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Another question on Chemistry

What is the main reason the size of atom decreases across the period? the number of energy levels decreases

the number of protons decreases

the number of energy levels increases

the number of protons increases