Atomic Structure

  
Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
1. is the smallest particle of a chemical element.

2. According to dalton, atom is hard , solid and is .

3. The particles that make up an atom are called .

4. Mass of atom is concentrated in the .

5. revolve around nucleus of atom in specific orbits.

6. The structure of atom is same as structure of .

7. Atoms that have same mass numbers but different atomic numbers are called .

8. In isotopes, atoms of same element can have different number of .

9. Neutron is a particle.

10. The outermost orbit of an atom can containmaximum of electrons.