What information about the electron arrangement is given by the group number of an element

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Jayvion Myers

Chemistry

4 August, 12:05

What information about the electron arrangement is given by the group number of an element

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Jacqueline Mercer · Answer 1

The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons. They are the electrons involved in chemical bonds with other elements. Every element in the first column group one has one electron in its outer shell.