The number of valence electrons in an atom is reflected by its position in the periodic table of the elements. Across each row, or period, of the periodic table, the number of valence electrons in groups 1 2 and 13 18 increases by one from one element to the next.
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Answer:
The number of valence electrons in an atom is reflected by its position in the periodic table of the elements. Across each row, or period, of the periodic table, the number of valence electrons in groups 1 2 and 13 18 increases by one from one element to the next.
Explanation:
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