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Which of the following ions is a polyatomic ion?

Question 3 options:

NH 4 +

F–


Ca 2 +

Cl–

User Amattn
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1 Answer

2 votes

The correct answer is option
NH{{+} \atop {4}} \right..

The
NH{{+} \atop {4}} \right. is an ion made up of two atoms nitrogen and hydrogen.

The polyatomic ions are those ions, which are formed by the binding of the two or more elements, which has a charge and act as an ion. As all others are formed by a single atom, they are not polyatomic, only
NH{{+} \atop {4}} \right. is formed by two atoms, hence, it is an polyatomic ion.

User Kendomen
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