Four vibrational modes for formaldehyde are shown in the diagram below. Note that the

C

-H stretches can be described as symmetric or asymmetric, but the

C=O

stretch does not have this designation. Which of the statements best explains why?\ Symmetric

C-H

stretch

Four vibrational modes for formaldehyde are shown in the diagram below. Note that the C - H stretches can be described as symmetric or asymmetric, but the C=O stretch does not have this designation. Which of the statements best explains why