Question

question 11 (1 point) saved listen what is the name of the polyatomic ion, oh-? a) hydrate b) hydrogen oxide c) oxide d) hydrogen peroxide e) hydroxide

Explanation:

• A polyatomic ion is an ion composed of more than one atom.
• The $\text{OH}^-$ ion is composed of one oxygen atom and one hydrogen atom.
• The name of the $\text{OH}^-$ ion is hydroxide.
• Hydrate refers to a compound with water molecules attached.
• Hydrogen oxide is the chemical formula for water ($\text{H}_2\text{O}$).
• Oxide is a compound containing oxygen with a -2 charge (e.g., $\text{O}^{2 - }$).
• Hydrogen peroxide has the formula $\text{H}_2\text{O}_2$.

Answer:

e) hydroxide