Question

Which pair of elements will form an ionic bond?

Electronegativity Values:

Carbon: 2.5

Nitrogen: 3.0

Oxygen: 3.5

Fluorine: 4.0

Lithium: 1.0

Answer 1

lithium and all above

all of the elements are nonmetals except for lithium, therefore lithium can have an ionic bond with any of the other elements.