How does an element's period number relate to the number of the energy level of its valance electrons

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Chemistry

Lightning

12 June, 20:35

How does an element's period number relate to the number of the energy level of its valance electrons

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Jayden Hodge · Answer 1

The period number is the same number as the highest energy level, for the atoms on that row - - which is also the energy level that holds valance electrons.