One of these bones is not like the other...

One of these bones just doesn’t belong. Can you guess which bone is not like the other, before I finish my song?

1. Atlas, axis, illium, sacrum, coccyx
2. Femur, patella, tibia, clavicle, os coxea
3. Manubrium. Coccyx, xiphoid process, sternum
4. Zygomatic bone, sphenoid bone, occipital bone, lacrimal bone, ethmoid bone
5. Maxillary bone, temporal bone, mandible, zygomatic bone, nasal bone
6. Cuboidal bone, cuniform bones, metacarpals, talus, calcaneus
7. Lunate, capitate bone, phalanx, olecronon, trapezium
8. Scapula, humerus, ulna, tarsal bone, radius
9. Vomer, sphenoid, maxilla, hyoid, temporal bone