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