Across
- 3. H2O is known as water. D20 is known as?
- 4. Element of 17th group is known as
- 7. Type of acid in vinegar
- 11. Energy required to remove an electron
- 12. Particle in nucleus are know as
- 13. Atomic particle with negative charge
- 14. Ratio of mass to Volume
Down
- 1. SI unit of Amount of sunstance
- 2. Bond in which sharing of electron takes place
- 5. Group 18 is known as?
- 6. Substance that speeds up a reaction
- 8. Scientist who developed the first periodic table
- 9. Type of bond in NaCl
- 10. The measure of disorder in a System