Question

give reason for the following a. there are positively charged particles and negatively charged particles in an atom. but atom are electrically neutral b. most of the mass of an atom is concentrated in the nucleus​

Answer 1

Explanation:

When she spoke her annoyance was apparent to us all.

2. He said that he was giving me a friendly warning.

3. She was in a frenzy because fifteen people were coming to dinner.

4. I thought that his behaviour was rather forward.

5. Don’t ask his opinion unless you are ready for a frank answer.

6. A fortune teller told her that she would marry a handsome foreigner.

7. The river water passes through a filter before it is piped to homes.

Answer 2

Answer:

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The positive charges equal the negative charges, so the atom has no overall charge; it is electrically neutral. Most of an atom's mass is in its nucleus; the mass of an electron is only 1/1836 the mass of the lightest nucleus, that of hydrogen...