Question

1. ammonium nitrate
2. sodium phosphate
3. lithium hydroxide

naming ionic compounds ii

Explanation:

Step1: Determine the ions

• For ammonium nitrate: Ammonium ion ($\text{NH}_4^+$) and nitrate ion ($\text{NO}_3^-$).
• For sodium phosphate: Sodium ion ($\text{Na}^+$) and phosphate ion ($\text{PO}_4^{3 - }$).
• For lithium hydroxide: Lithium ion ($\text{Li}^+$) and hydroxide ion ($\text{OH}^-$).

Step2: Write the formula using charge balance

• For ammonium nitrate: The charge of $\text{NH}_4^+$ is $+ 1$ and $\text{NO}_3^-$ is $-1$. So formula is $\text{NH}_4\text{NO}_3$.
• For sodium phosphate: The charge of $\text{Na}^+$ is $+1$ and $\text{PO}_4^{3 - }$ is $-3$. To balance, we need 3 $\text{Na}^+$ ions. So formula is $\text{Na}_3\text{PO}_4$.
• For lithium hydroxide: The charge of $\text{Li}^+$ is $+1$ and $\text{OH}^-$ is $-1$. So formula is $\text{LiOH}$.

Answer:

1. $\text{NH}_4\text{NO}_3$
2. $\text{Na}_3\text{PO}_4$
3. $\text{LiOH}$