1. SiH₄
- Electron Dot: Silicon surrounded by 4 hydrogen atoms, each with a single bond; no lone pairs on silicon.
- Bar Diagram: Central Si with 4 bonding regions.
- Molecular Shape (Drawing): Tetrahedral.
- Molecular Shape (Name): Tetrahedral.
2. H₂Se
- Electron Dot: Selenium bonded to 2 hydrogen atoms, with 2 lone pairs on selenium.
- Bar Diagram: Central Se with 2 bonding regions and 2 lone pairs.
- Molecular Shape (Drawing): Bent.
- Molecular Shape (Name): Bent.
3. BeCl₂
- Electron Dot: Beryllium bonded to 2 chlorine atoms, no lone pairs on beryllium.
- Bar Diagram: Central Be with 2 bonding regions.
- Molecular Shape (Drawing): Linear.
- Molecular Shape (Name): Linear.
4. CCl₄
- Electron Dot: Carbon bonded to 4 chlorine atoms, no lone pairs on carbon.
- Bar Diagram: Central C with 4 bonding regions.
- Molecular Shape (Drawing): Tetrahedral.
- Molecular Shape (Name): Tetrahedral.
5. AsH₃
- Electron Dot: Arsenic bonded to 3 hydrogen atoms, with 1 lone pair on arsenic.
- Bar Diagram: Central As with 3 bonding regions and 1 lone pair.
- Molecular Shape (Drawing): Trigonal pyramidal.
- Molecular Shape (Name): Trigonal pyramidal.
6. CF₄
- Electron Dot: Carbon bonded to 4 fluorine atoms, no lone pairs on carbon.
- Bar Diagram: Central C with 4 bonding regions.
- Molecular Shape (Drawing): Tetrahedral.
- Molecular Shape (Name): Tetrahedral.
7. OF₂
- Electron Dot: Oxygen bonded to 2 fluorine atoms, with 2 lone pairs on oxygen.
- Bar Diagram: Central O with 2 bonding regions and 2 lone pairs.
- Molecular Shape (Drawing): Bent.
- Molecular Shape (Name): Bent.
8. SiCl₄
- Electron Dot: Silicon bonded to 4 chlorine atoms, no lone pairs on silicon.
- Bar Diagram: Central Si with 4 bonding regions.
- Molecular Shape (Drawing): Tetrahedral.
- Molecular Shape (Name): Tetrahedral.
9. NCl₃
- Electron Dot: Nitrogen bonded to 3 chlorine atoms, with 1 lone pair on nitrogen.
- Bar Diagram: Central N with 3 bonding regions and 1 lone pair.
- Molecular Shape (Drawing): Trigonal pyramidal.
- Molecular Shape (Name): Trigonal pyramidal.
10. ClO₄⁻
- Electron Dot: Chlorine bonded to 4 oxygen atoms (one double bond, three single bonds with resonance), no lone pairs on chlorine.
- Bar Diagram: Central Cl with 4 bonding regions.
- Molecular Shape (Drawing): Tetrahedral.
- Molecular Shape (Name): Tetrahedral.
Parent Tip: Review the logic above to help your child master the concept of vsepr practice worksheet.
