Question

what a
polyatomic ions ?give any two example
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Answer 1

Answer:

Polyatomic ions are ions which consist of more than one atom.

For example:

NO3^-,

PO4^3-

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Answer 2

Answer:

polyatomic ions are ions which consist of more then one atom.

for example,nitrate ion,NO3 contains one nitrogen ion and three oxygen atoms. The atoms in a polyatomic ion are usually covalently bonded to one another,and therefore stay together as a single,charge unit.

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