Across
- 3. moles per litre
- 4. First element of group 14
- 8. gain of electron
- 9. Anything that has mass and occupies space
- 11. positively charged subatomic particle
- 13. mass per unit volume
- 14. Most abundent gas in atmosphere
- 15. atomic number 12
- 17. used for detection of end point of titration
- 19. discovery of electron
- 23. Common name of Propanone
- 24. sixteen group elements
- 27. R-COO-R group
- 28. Solution in burette
Down
- 1. same atomic mass number, different atomic number
- 2. C3H6
- 5. Fuel gas for welding
- 6. Carbohydrate
- 7. self linking ability of elements
- 10. Most electronegative element
- 12. redioactive element
- 16. Negatively charged
- 18. proton donar
- 20. formed by combination of atoms
- 21. Symbol Au
- 22. Total periods in periodic table
- 24. increases the rate of reaction
- 25. Bond formed by sharing of electrons
- 26. used in mobile battery