Question

1. Explain positive and negative ions with examples.
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Answer 1

Answer:

An ion is an atom or group of atoms where the number of electrons is not equal to the number of protons. Electrons have a negative charge, whereas protons have a positive charge. When an atom gains electrons, this results in a negative charge. ... A positively charged ion is called a cation.

Answer 2

Explanation:

positive ions re cation

nd negative ions re anion

if they lose their their valence shell electron then it is cation

if it gains the electron then it is anion

ex. mgcl2