Which of the following molecules contains a covalent bond? (Use the electronegativity values from the periodic table link to help you answer this question.)A.LiClB.MgOC.CN-D.BeOSUBMITarrow_backPREVIOUS
Question
Which of the following molecules contains a covalent bond? (Use the electronegativity values from the periodic table link to help you answer this question.)A.LiClB.MgOC.CN-D.BeOSUBMITarrow_backPREVIOUS
Solution
The molecule that contains a covalent bond is C.N-. This is because covalent bonds are formed when two atoms share electrons. In this case, Carbon (C) and Nitrogen (N) are non-metals and they tend to form covalent bonds.
On the other hand, LiCl, MgO, and BeO are ionic compounds. This is because they are formed from a metal and a non-metal. In these cases, the metal tends to lose electrons to form a positive ion and the non-metal tends to gain electrons to form a negative ion. This transfer of electrons results in the formation of an ionic bond.
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