arrange the following bonds in order of decreasing ionic character: mg - n, li - n, si - c. select the…

arrange the following bonds in order of decreasing ionic character: mg - n, li - n, si - c. select the single best answer. o mg - n, li - n, si - c o mg - n, si - c, li - n o li - n, mg - n, si - c o li - n, si - c, mg - n o si - c, mg - n, li - n o si - c, li - n, mg - n
Answer
Explanation:
Step1: Recall electronegativity concept
Ionic character is determined by electronegativity difference.
Step2: Find electronegativity values
Electronegativity of Mg = 1.31, Li = 0.98, Si = 1.90, N = 3.04, C = 2.55.
Step3: Calculate electronegativity differences
For Mg - N: $\Delta\chi=3.04 - 1.31=1.73$. For Li - N: $\Delta\chi=3.04 - 0.98 = 2.06$. For Si - C: $\Delta\chi=2.55 - 1.90=0.65$.
Step4: Arrange by difference
Higher difference means higher ionic character. So order is Li - N, Mg - N, Si - C.
Answer:
Li - N, Mg - N, Si - C