Question

atoms from which of the following pairs are most likely to form an ionic bond? answer: a sodium and potassium b titanium and oxygen c sodium and barium d nitrogen and fluorine

Explanation:

Ionic bonds form between metals and non - metals. Titanium is a metal and oxygen is a non - metal. Sodium and potassium are both metals (so A is wrong). Sodium and barium are both metals (so C is wrong). Nitrogen and fluorine are both non - metals (so D is wrong).

Answer:

B. titanium and oxygen