What is determined by the period number? Nuclear charge of an atom? The number of energy levels?
| December 1, 2020 | education
What is determined by the period number? Nuclear charge of an atom? The number of energy levels? The number of valence electrons? Atomic mass?
The number of the period determines the number of energy levels. The number of valence electrons is determined by the group number, the atomic mass is indicated under each element, and the charge of the atomic nucleus is the ordinal number of the element.
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