- Nitrogen: N with 5 dots (one on each side and one extra on any side)
- Bromine: Br with 7 dots (one on each side and three sides with pairs)
- Oxygen: O with 6 dots (two on each side and two sides with pairs)
- Carbon: C with 4 dots (one on each side)
- Sulfur: S with 6 dots (two on each side and two sides with pairs)
- Fluorine: F with 7 dots (one on each side and three sides with pairs)
- SF₃⁻: S central atom bonded to three F atoms, one lone pair on S, each F has three lone pairs, bracket with -1 charge
- NOBr: N central atom double bonded to O, single bonded to Br, O has two lone pairs, Br has three lone pairs, N has one lone pair
- N₂O: N=N=O linear structure, terminal N has one lone pair, central N has no lone pairs, O has two lone pairs
- SiF₃⁻: Si central atom bonded to three F atoms, one lone pair on Si, each F has three lone pairs, bracket with -1 charge
- BrF₃: Br central atom bonded to three F atoms, two lone pairs on Br, each F has three lone pairs
- SCl₃⁺: S central atom bonded to three Cl atoms, one lone pair on S, each Cl has three lone pairs, bracket with +1 charge
- CO₃²⁻: C central atom double bonded to one O, single bonded to two O atoms, each single-bonded O has three lone pairs and a negative charge, double-bonded O has two lone pairs, bracket with -2 charge
- NH₄⁺: N central atom bonded to four H atoms, no lone pairs on N, bracket with +1 charge
- SO₄²⁻: S central atom double bonded to two O atoms, single bonded to two O atoms, each single-bonded O has three lone pairs and a negative charge, each double-bonded O has two lone pairs, bracket with -2 charge
Parent Tip: Review the logic above to help your child master the concept of molecular structure worksheet answers.
