Questions: Atoms, Ions and Molecules Identifying common polyatomic ions Complete the following table: Some polyatomic ions name chemical formula chlorate anion hydronium cation CN^- nitrate anion

Atoms, Ions and Molecules
Identifying common polyatomic ions

Complete the following table:

 Some polyatomic ions 
 name  chemical formula 
 chlorate anion   
 hydronium cation   
   CN^- 
 nitrate anion
Transcript text: S Atoms, Ions and Molecules Identifying common polyatomic ions Complete the following table: \begin{tabular}{|c|c|} \hline \multicolumn{2}{|c|}{ Some polyatomic ions } \\ \hline name & chemical formula \\ \hline chlorate anion & $\square$ \\ \hline hydronium cation & $\square$ \\ \hline$\square$ & $\mathrm{CN}^{-}$ \\ \hline nitrate anion & $\square$ \\ \hline \end{tabular}
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Solution

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Solution Steps

Step 1: Chlorate Anion

Identify the chemical formula for the chlorate anion.

  • The chemical formula for the chlorate anion is ClO3 \mathrm{ClO}_3^- .
Step 2: Hydronium Cation

Identify the chemical formula for the hydronium cation.

  • The chemical formula for the hydronium cation is H3O+ \mathrm{H}_3\mathrm{O}^+ .
Step 3: Cyanide Anion

Identify the name for the ion with the chemical formula CN \mathrm{CN}^- .

  • The name for the ion with the chemical formula CN \mathrm{CN}^- is cyanide anion.

Final Answer

  • Chlorate anion: ClO3 \mathrm{ClO}_3^-
  • Hydronium cation: H3O+ \mathrm{H}_3\mathrm{O}^+
  • Cyanide anion: cyanide anion
  • Nitrate anion: NO3 \mathrm{NO}_3^-

Thus, the answers are:

  • Chlorate anion: ClO3 \boxed{\mathrm{ClO}_3^-}
  • Hydronium cation: H3O+ \boxed{\mathrm{H}_3\mathrm{O}^+}
  • Cyanide anion: cyanide anion \boxed{\text{cyanide anion}}
  • Nitrate anion: NO3 \boxed{\mathrm{NO}_3^-}
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