Which of the following compounds has an atom with an unfilled valence shell of electrons? A)H₂O B)BCl₃ C)CH₄ D)CO₂

Name: Which of the following compounds has an atom with an unfilled valence shell of electrons? A)H 2 O B)BCl 3 C)CH 4 D)CO 2
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Question

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BCl3 has an atom with an unfilled valence shell of electrons (boron has only 3 valence electrons and needs one more to complete its octet). The other compounds have all atoms with a filled valence shell of electrons.

Which of the Following Compounds Has an Atom with an Unfilled