Which of the following species has an atom that has an unfilled valence shell of electrons? A) molecular hydrogen, H₂ B) hydroxide anion, HO− C) boron trifluoride, BF₃ D) water, H₂O

Question

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Boron trifluoride (BF3) has a boron atom with only six electrons in its valence shell, making it an example of a species with an unfilled valence shell. Boron typically desires eight electrons to satisfy the octet rule, but in BF3, it only bonds with three fluorine atoms, leaving its valence shell incomplete.

Which of the Following Species Has an Atom That Has