Question

Today's chemistry homefun
Prepare and write hometest
1. What is ion?
2. Define valancy
3. How to write chemical formula?
4. Define atomicity.​

Answer 1

An ion is an atom or molecule that has a net electrical charge. Since the charge of the electron is equal and opposite to that of the proton, the net charge of an ion is non-zero due to its total number of electrons being unequal to its total number of protons.

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Answer 2

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