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Identify the correct formula for the nitrate ion:

A. [tex]\( NO_3^- \)[/tex]

B. [tex]\( NO_2^- \)[/tex]

C. [tex]\( NO_3^+ \)[/tex]


Sagot :

The nitrate ion has the formula [tex]\( \text{NO}_3^- \)[/tex].

Here's a brief explanation of why:

The nitrate ion consists of one nitrogen atom and three oxygen atoms and carries a negative charge of -1. This ion is commonly encountered in various chemical compounds and plays a significant role in the nitrogen cycle.

- [tex]\( \text{NO}_2^- \)[/tex] is the nitrite ion, which contains one nitrogen atom and two oxygen atoms with a negative charge of -1.
- [tex]\( \text{NO}_3^+ \)[/tex] is not a commonly recognized ion in basic chemistry.

To summarize:
- The correct formula for the nitrate ion is [tex]\( \text{NO}_3^- \)[/tex].