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12-09-2022
Physics

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3. When we look at the periodic table of elements, the elements in a _______ have the same number of valence electrons.

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s157778 s157778

12-09-2022

Answer:

Group

Explanation:

Within each column, or group, of the table, all the elements have the same number of valence electrons. This explains why all the elements in the same group have very similar chemical properties. For elements in groups 1–2 and 13–18, the number of valence electrons is easy to tell directly from the periodic table.

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