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Chemistry, 04.10.2020 18:01 lovwhydontwe

1s22s22p63s 3p645230104p5 Which element is this?

fluorine (F)
bromine (Br)
chlorine (Cl)
krypton (Kr)

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1s22s22p63s 3p645230104p5 Which element is this?

fluorine (F)
bromine (Br)
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