AP Chemistry worksheet on chemical bonding with Lewis structures and valence electron counts, including handwritten corrections.

- F: 7 valence electrons, Lewis structure shows 7 dots around F.
- O: 6 valence electrons, Lewis structure shows 6 dots around O.
- K: 1 valence electron, Lewis structure shows 1 dot next to K.
- Al: 3 valence electrons, Lewis structure shows 3 dots around Al.
- F⁻: 8 valence electrons, Lewis structure shows 8 dots around F with a negative charge.
- O²⁻: 8 valence electrons, Lewis structure shows 8 dots around O with a 2- charge.
- K⁺: 0 valence electrons, Lewis structure shows K with a positive charge and no dots.
- Al³⁺: 0 valence electrons, Lewis structure shows Al with a 3+ charge and no dots.
- F₂: 14 valence electrons, Lewis structure shows two F atoms sharing one pair of electrons, each with 6 non-bonding electrons.
- H₂: 2 valence electrons, Lewis structure shows two H atoms sharing one pair of electrons.
- HF: 8 valence electrons, Lewis structure shows H bonded to F with 6 non-bonding electrons on F.
- NH₃: 8 valence electrons, Lewis structure shows N bonded to three H atoms with one lone pair on N.
- CH₄: 8 valence electrons, Lewis structure shows C bonded to four H atoms with no lone pairs on C.
- NF₃: 26 valence electrons, Lewis structure shows N bonded to three F atoms with one lone pair on N and three lone pairs on each F.
- SiF₄: 32 valence electrons, Lewis structure shows Si bonded to four F atoms with three lone pairs on each F.
- C₂H₆: 14 valence electrons, Lewis structure shows two C atoms bonded together, each bonded to three H atoms.
- MgH₂: 4 valence electrons, Lewis structure shows Mg bonded to two H atoms.
- LiH: 2 valence electrons, Lewis structure shows Li bonded to H.
- AlH₃: 6 valence electrons, Lewis structure shows Al bonded to three H atoms.
- BH₃: 6 valence electrons, Lewis structure shows B bonded to three H atoms.