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Periodic table is confusing ;-; plz helppp
Okay so the group number is supposed to equal to the valence electrons of the elements in said group. But, for example fluorine, has 7 valence electrons even though it's in group 17. I know it's unlikely for a non-metal to have 17 valence electrons, but still I'm quite confused??? Is there some special way to read groups I missed??

Sagot :

Shatterstarfireidn

Fluoride does have 7 valence electrons and groups 13-18 has the amount of valence electrons minus ten so 17-10=7.

Metals have an unknown amount of valence electrons so ignore groups 3-12 for now :)

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