Answer:
[tex]NH_{4} ^{+}, NO_{3} ^{-}, CO_{3} ^{2-}[/tex]
Explanation:
A molecule is a chemical species containing at least two chemically-bonded atoms while an ion is a charged chemical species.
Hence, a molecular ion must be a molecule and must carry a charge (positive or negative).
Given the two criteria above, then [tex]NH_{4} ^{+}, NO_{3} ^{-}, CO_{3} ^{2-}[/tex] are all molecular ions. [tex]NaCl[/tex], although a molecule, is not a molecular ion because it is not charged.
The following are simple molecular ions NH₄⁺, NO₃⁻, and CO₃²⁻. The correct options are a, c, and d.
Molecular ions are the name given to molecules and elements that are charged either positively or negatively. Many elements participate in chemical reactions and form bonds with each other's atoms. Those elements that have a charge on them are known as molecular ions.
These elements or compounds taking part in bond formation are called ions because when they donate or get electrons, they acquire a charge, positive or negative.
In the following, NH₄⁺, NaCl, NO₃⁻, and CO₃²⁻. All are simple molecules, but NaCl is not considered an ion because it does not contain any charge. So this will not be an ion.
Thus, the options are a. NH₄⁺, c. NO₃⁻, and d. CO₃²⁻.
To learn more about molecular ions, refer to the below link:
https://brainly.com/question/17122791
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