Essential Chemistry for IGCSE - Structure And Bonding (Section 1 - No. 28)

Which of the following elements would most likely form an ionic bond with potassium (K)?

Sodium (Na)

Chlorine (Cl)

Carbon (C)

Argon (Ar)

Potassium (K) is a metal and Chlorine (Cl) is a non-metal. Ionic bonds are formed between metals and non-metals.