Question

Define the following terms with example Ions cations anions valency​

Answer 1

Answer:

An ion is a charged atom or molecule. It is charged because the number of electrons do not equal the number of protons in the atom or molecule. e.g. al3+

when any atom gives elelctron that will known as cation

when any atom gains electron that will known as anions

valency is the combining power of an element

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Answer 2

Answer:

The number of electrons lost, and so the charge of the ion, is indicated after the chemical symbol, e.g. silver ...