Please help me with a few questions on my finale exam next week???

Question

1. Describe the differences between gravitational and electrical forces?? Be sure to include attraction/repulsion, effect of distance, and strength.

2. Explain the relationship between the direction a compass needle points and the magnetic north pole??

3. All Waves Travel at the same??

4. How do sound waves differ from electromagnetic waves?

5. Give a example of light behaving as a wire and of light behaving as a particle?

6. How many energy levels are present in an atom? What particle is present in these energy levels? Write the # held in each level?

7. List 3 physical properties of metals?

8. WHy do noble gases generally not form bonds?

thanks so much for you help

Answer 1

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Answer 2

I think you are looking for physics or chemistry, not DIY.......