1. Neon (Ne):
- Atomic number: 10
- Electrons: 10
- Electron configuration: 1s² 2s² 2p⁶
- Valence electrons: 8
- Lewis dot diagram: 8 dots around Ne (one on each side, two on top and bottom, and two on each side)
2. Magnesium (Mg):
- Atomic number: 12
- Electrons: 12
- Electron configuration: 1s² 2s² 2p⁶ 3s²
- Valence electrons: 2
- Lewis dot diagram: 2 dots on one side (e.g., top)
3. Chlorine (Cl):
- Atomic number: 17
- Electrons: 17
- Electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁵
- Valence electrons: 7
- Lewis dot diagram: 7 dots around Cl (one on each side, two on top and bottom, and two on each side)
4. Silicon (Si):
- Atomic number: 14
- Electrons: 14
- Electron configuration: 1s² 2s² 2p⁶ 3s² 3p²
- Valence electrons: 4
- Lewis dot diagram: 4 dots around Si (one on each side)
Parent Tip: Review the logic above to help your child master the concept of atom diagrams and worksheet.
