Question

1. Give the electronic configuaration of Clion.
2. Draw the atomic structure of helium atom,
3. What are isobars?
4. What is mass number of an atom?
5. Find the valency of He and "N.
6. What are isotopes? Give its two applications.
7. An atom is electrically neutral. How can it become
charged?
8. Explain Rutherford's a-particle scattering experiment
and give its observation and conclusion drawn.
9. Give the difference between three sub-atomic
particles.
10. Give the names of three atomic species of
hydrogen​

Answer 1

Answer:

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