why an element’s charge is related to the group on the periodic table to which it belongs?

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HeartTricker · Answer

@jocelynn wrote:

In many cases, elements that belong to the same group (vertical column on the periodic table form ions with the same charge because they have the same number of valence electrons. Thus, the periodic table becomes a tool for remembering the charges on many ions.

Credits- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Book%3A_The_Basics_of_GOB_Chemistry_(Ball_et_al.)/03%3A_Ionic_Bonding_and_Simple_Ionic_Compounds/3.02%3A_Ions#:~:text=In%20many%20cases%2C%20elements%20that,the%20charges%20on%20many%20ions.