Across
- 2. metal used by rutherford in his scttering experiment
- 3. negatively charged sub atomic particle
- 6. neutral subatomic particle
- 7. atoms of different elemnt having same mass number
- 9. element having zero valency
- 11. ion formed by loss of elctron
- 13. melon model given by thomson
- 14. combining capacity of an atom
Down
- 1. rays originate from cathode.
- 4. place where neutron and protons are present
- 5. an isotope of hydrogen
- 8. ion formed by gain of electron
- 10. shell having maximum number of electron as 8
- 12. atoms of same element having same atomic number but different mass number