Question

review the periodic table to answer this question. which of the following molecules would be considered an ionic compound? h₂o₂ nacl cl₂ ch₄

Explanation:

Step1: Recall ionic compound definition

Ionic compounds are formed by the transfer of electrons between a metal and a non - metal.

Step2: Analyze each option

• $H_2O_2$: Formed by non - metals (H and O), covalent compound.
• $NaCl$: Sodium (Na) is a metal, chlorine (Cl) is a non - metal. It is formed by electron transfer, an ionic compound.
• $Cl_2$: Composed of only non - metal (Cl) atoms, a covalent molecule.
• $CH_4$: Carbon (C) and hydrogen (H) are non - metals, covalent compound.

Answer:

$NaCl$