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

Question

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

Quizplus · Accepted Answer

An ionic bond is formed between elements with a large difference in electronegativity, typically greater than 1.7. The electronegativity difference between Li (1.0) and O (3.5) is 2.5, which is large enough to form an ionic bond.

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

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