1. Abbreviated ground state electron configurations:
- Be: [He] 2s²
- Ne: [He] 2s² 2p⁶
- Al: [Ne] 3s² 3p¹
- N: [He] 2s² 2p³
- Si: [Ne] 3s² 3p²
- Cl: [Ne] 3s² 3p⁵
- K: [Ar] 4s¹
- Br: [Ar] 4s² 3d¹⁰ 4p⁵
- Mo: [Kr] 5s¹ 4d⁵
- In: [Kr] 5s² 4d¹⁰ 5p¹
- Ba: [Xe] 6s²
- Au: [Xe] 4f¹⁴ 5d¹⁰ 6s¹
- Pb: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p²
- Ra: [Rn] 7s²
- Eu: [Xe] 4f⁷ 6s²
2. Unabbreviated ground state electron configurations:
i. Sodium: 1s² 2s² 2p⁶ 3s¹
ii. Phosphorus: 1s² 2s² 2p⁶ 3s² 3p³
iii. Potassium: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹
iv. Zinc: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰
v. Krypton: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶
vi. Zirconium: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d²
vii. Iodine: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁵
viii. Cesium: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s¹
ix. Platinum: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d⁸
x. Francium: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s¹
Parent Tip: Review the logic above to help your child master the concept of chemistry electron configuration worksheet.
