Structure of an Atom

4. Known for wave-particle duality theory.
5. Man who discovered Neutron
7. Discovered due to the study of Anode rays
12. Atoms of different elements which contain the same number of electrons.
14. Man who discovered Proton
15. In 1900 put forward a quantum theory that was later extended by Einstein
17. Discovered due to the study if Cathode rays.
19. A situation which cannot be described with certainty.

1. Invented the electromagnetic wave theory.
2. A body that is a perfect absorber and radiator of energy.(of all frequencies)
3. Fixed region of space where the chances of finding an electron is high.
6. Introduced the uncertainty principle.
8. A particle with no charge
9. A quantum number that describes the number of subshells present in the main shell.
10. A Danish physicist who proposed a model of the atom.
11. Atoms of same element having same atomic number but different mass numbers.
13. meaning small discrete packets of energy.
16. Three-dimensional space where the chance of finding an electron is high
17. The Schrodinger Wave Equation is named after him.
18. light acts as particles and...