Question

5 multiple choice 1 point which of the following is a covalent compound? agi mgs pcl₅ behco₃

Explanation:

Step1: Recall covalent - compound criteria

Covalent compounds are usually formed between non - metals.

Step2: Analyze each option

• AgI: Silver (Ag) is a metal, iodine (I) is a non - metal. It is an ionic compound.
• MgS: Magnesium (Mg) is a metal, sulfur (S) is a non - metal. It is an ionic compound.
• PCl₅: Phosphorus (P) and chlorine (Cl) are non - metals. It is a covalent compound formed by sharing of electrons between P and Cl atoms.
• BeHCO₃: Beryllium (Be) is a metal, and it forms an ionic compound with the polyatomic ion HCO₃⁻.

Answer:

C. PCl₅