Question
Which of the following are polyatomic ions?
Answer: Option A
:
A and D
∙ A monoatomic ion is an ion consisting exactly one atom. While a polyatomic ion is an ion consisting more than one atom.
IonFormulaNo. of Atoms AmmoniumNH+41 N, 4HHydride H−1 HOxideO2−2 OHydroxideOH−1 H, 1 O
∙ Thus, OH− and NH+4 are polyatomic ions and O2− and H− are monoatomic ions.
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:
A and D
∙ A monoatomic ion is an ion consisting exactly one atom. While a polyatomic ion is an ion consisting more than one atom.
IonFormulaNo. of Atoms AmmoniumNH+41 N, 4HHydride H−1 HOxideO2−2 OHydroxideOH−1 H, 1 O
∙ Thus, OH− and NH+4 are polyatomic ions and O2− and H− are monoatomic ions.
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