Across
- 1. It has tetrahedral shape and contains 12 non-bonding electron pairs.
- 4. A polyatomic cation.
- 5. Name of CH4.
- 6. Its other name is “sulphuretted hydrogen”.
- 8. A molecule with AX2 shape.
- 9. Its solid form is dry ice.
- 10. It has trigonal pyramidal geometry.
- 11. A polyatomic ion with triple negative charge.
Down
- 2. A trigonal planar molecule with metallic central atom.
- 3. A molecule that has V-shape and is present in gas, liquid, and solid state.
- 7. You can find it in hydroxide compounds.