Electron Configuration Practice Worksheet - Fill Online, Printable ... - Free Printable

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1. Li
- Orbital Diagram: 1s ↑↓, 2s ↑↓, 2p (empty)
- Electron Configuration: 1s² 2s¹

2. Si
- Orbital Diagram: 1s ↑↓, 2s ↑↓, 2p ↑↓ ↑↓ ↑, 3s ↑↓, 3p ↑ ↑ (one electron in each of two 3p orbitals)
- Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p²

3. Na
- Orbital Diagram: 1s ↑↓, 2s ↑↓, 2p ↑↓ ↑↓ ↑↓, 3s ↑
- Electron Configuration: 1s² 2s² 2p⁶ 3s¹

4. Ar
- Orbital Diagram: 1s ↑↓, 2s ↑↓, 2p ↑↓ ↑↓ ↑↓, 3s ↑↓, 3p ↑↓ ↑↓ ↑↓
- Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶

5. Ti
- Orbital Diagram: 1s ↑↓, 2s ↑↓, 2p ↑↓ ↑↓ ↑↓, 3s ↑↓, 3p ↑↓ ↑↓ ↑↓, 4s ↑↓, 3d ↑ ↑ (two electrons in separate 3d orbitals with parallel spins)
- Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d²

Parent Tip: Review the logic above to help your child master the concept of electrons configuration worksheet.

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