Question

hester, treyvon dtal - ch - term 1 - unit 4a assessment - 25 - 26 which of the following is an example of an ionic bond? co₂ mgo so₃ h₂o

Explanation:

Step1: Recall ionic - bond concept

Ionic bonds form between a metal and a non - metal.

Step2: Analyze each option

• $CO_2$: Carbon (non - metal) and oxygen (non - metal), covalent bond.
• $MgO$: Magnesium (metal) and oxygen (non - metal), ionic bond.
• $SO_3$: Sulfur (non - metal) and oxygen (non - metal), covalent bond.
• $H_2O$: Hydrogen (non - metal) and oxygen (non - metal), covalent bond.

Answer:

B. MgO