Which of the Following Bonds Is Definitely Ionic A) Li--C
B) Li--H
C) Li--O
D) Li--Li
E) C--O

Multiple Choice

Which of the following bonds is definitely ionic? $$\begin{array} { l l } \text { Element } & \text { Electronegativity } \\\mathrm { C } & 2.5 \\\mathrm { O } & 3.5 \\\mathrm { H } & 2.1 \\\mathrm { Li } & 1.0\end{array}$$

A) Li--C
B) Li--H
C) Li--O
D) Li--Li
E) C--O