- Beryllium: Be with two dots (one on each side, or both on one side).
- Selenium: Se with six dots (two on each of three sides, one side empty).
- Tin: Sn with four dots (one on each side).
- Carbon: C with four dots (one on each side).
- Sulfur: S with six dots (two on each of three sides, one side empty).
- Iodine: I with seven dots (two on each of three sides, one dot on the fourth side).
- PI₃: P central atom single-bonded to three I atoms; P has one lone pair, each I has three lone pairs.
- AsBr₃: As central atom single-bonded to three Br atoms; As has one lone pair, each Br has three lone pairs.
- N₂H₂: Two N atoms double-bonded to each other, each bonded to one H; each N has one lone pair.
- CH₃OH: C central atom bonded to three H and one O; O bonded to one H and has two lone pairs.
- NO₂⁻: N central atom double-bonded to one O, single-bonded to another O (with negative charge); N has one lone pair, single-bonded O has three lone pairs, double-bonded O has two lone pairs.
- FCN: F-C≡N; F has three lone pairs, N has one lone pair.
- AsN: As triple-bonded to N; As has one lone pair, N has one lone pair.
- CH₃NH₂: C bonded to three H and one N; N bonded to two H and has one lone pair.
- HNO: H bonded to O, O single-bonded to N; N double-bonded to O; N has one lone pair, single-bonded O has two lone pairs, double-bonded O has two lone pairs.
Parent Tip: Review the logic above to help your child master the concept of lewis structure practice worksheet.
