Question

Which pair of elements will form an ionic bond? *Use a periodic table: https://ptable.com/?lang=en#Properties

Hint- bond between a metal and nonmetal

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Question 5 options:

carbon (C) and oxygen (O)


barium (Ba) and chlorine (Cl)


carbon (C) and chlorine (Cl)


nitrogen (N) and oxygen (O)

Answer 1

Barium chloride is composed of a metal, barium, and a non-metal, chlorine, and will therefore most likely bond by ionic bonding.

So Ba and Cl