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Which one of the following molecules or ions contains an exception to the octet rule?
Pectineus
A muscle in the upper thigh that helps in hip flexion and adduction, aiding in movements like walking and running.
Gluteus Medius
A muscle of the buttock that is involved in the abduction and internal rotation of the thigh.
Extensor Carpi Radialis
A muscle of the forearm that extends and abducts the wrist.
Biceps Brachii
A large muscle in the upper arm responsible for forearm rotation and flexion of the elbow.
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