What are polyatomic ions? Give two examples.
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the group of atom which carry a charge. positive or negative. it is also called as a radical.
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A group of atoms carrying a charge is known as polyatomic ions.
For example- Ammonium(NH4+) and Sulphate(SO4--)
For example- Ammonium(NH4+) and Sulphate(SO4--)
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