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Complex Structures: Mastery Test

Complete the table with the correct chemical formula.

[tex]\[
\begin{array}{|l|l|l|l|}
\hline
\text{Chemical Name} & \text{Chemical Formula} & \text{Chemical Name} & \text{Chemical Formula} \\
\hline
\text{acetate} & \text{\(C_2H_3O_2^{-}\)} & \text{nitrite} & \text{\(NO_2^{-}\)} \\
\hline
\text{carbonate} & \text{\(CO_3^{2-}\)} & \text{ammonium} & \text{\(NH_4^{+}\)} \\
\hline
\text{hypocarbonite} & \text{\(CO^{2-}\)} & \text{cyanide} & \text{\(CN^{-}\)} \\
\hline
\begin{array}{l}
\text{hydrogen carbonate} \\
\text{(bicarbonate)}
\end{array} & \text{\(HCO_3^{-}\)} & \text{hydroxide} & \text{\(OH^{-}\)} \\
\hline
\text{chlorite} & \text{\(ClO_2^{-}\)} & \text{peroxide} & \text{\(O_2^{2-}\)} \\
\hline
\end{array}
\][/tex]

Type the correct answer in each box.

The chemical formula of the compound lithium nitrate is [tex]\(\square\)[/tex] [tex]\(\square\)[/tex].

Sagot :

GinnyAnswer
To determine the chemical formula of lithium nitrate, we need to consider the ions involved in the compound:

1. Identify the ions:
- The lithium ion is represented as [tex]\( \text{Li}^+ \)[/tex].
- The nitrate ion is represented as [tex]\( \text{NO}_3^- \)[/tex].

2. Combine the ions:
- Both lithium and nitrate have charges that can combine in a 1:1 ratio because the positive and negative charges balance each other out.

3. Write the chemical formula:
- Lithium [tex]\( \text{Li} \)[/tex], has a charge of [tex]\( +1 \)[/tex].
- Nitrate [tex]\( \text{NO}_3 \)[/tex], has a charge of [tex]\( -1 \)[/tex].
- When combined in a neutral compound, the formula becomes [tex]\( \text{LiNO}_3 \)[/tex].

Therefore, the chemical formula of lithium nitrate is [tex]\( \text{LiNO}_3 \)[/tex].
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