- I₂: Two iodine atoms share a single bond, each with three lone pairs.
- HBr: Hydrogen bonded to bromine with three lone pairs on bromine.
- CS₂: Carbon double-bonded to each sulfur atom, each sulfur has two lone pairs.
- O₃: Central oxygen single-bonded to one oxygen and double-bonded to the other; the single-bonded oxygen has three lone pairs, the double-bonded has two, and the central has one lone pair. Resonance exists.
- SiH₄: Silicon bonded to four hydrogens with no lone pairs on silicon.
- NO₃⁻: Nitrogen double-bonded to one oxygen and single-bonded to two oxygens; the single-bonded oxygens each have three lone pairs and a negative charge. Resonance exists.
- C₂H₆: Two carbons single-bonded, each bonded to three hydrogens.
- CH₂Cl₂: Carbon bonded to two hydrogens and two chlorines; each chlorine has three lone pairs.
- SO₄²⁻: Sulfur double-bonded to two oxygens and single-bonded to two oxygens; the single-bonded oxygens each have three lone pairs and a negative charge. Resonance exists.
- I₃⁻: Central iodine bonded to two terminal iodines; central iodine has three lone pairs, each terminal has three lone pairs and a negative charge.
- BF₃: Boron bonded to three fluorines; each fluorine has three lone pairs. Boron has no lone pairs.
- PH₃: Phosphorus bonded to three hydrogens with one lone pair on phosphorus.
- OF₂: Oxygen bonded to two fluorines with two lone pairs on oxygen; each fluorine has three lone pairs.
- PO₃³⁻: Phosphorus bonded to three oxygens; each oxygen has three lone pairs and a negative charge. Phosphorus has one lone pair.
- PO₄³⁻: Phosphorus bonded to four oxygens; each oxygen has three lone pairs and a negative charge. Phosphorus has no lone pairs.
Parent Tip: Review the logic above to help your child master the concept of lewis dot structure worksheet with answers.
