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

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Chemistry

Sara Gomez

14 September, 18:35

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

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Kaitlyn Kaiser · 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.