Order the molecules from the strongest intermolecular force (top) to the weakest (bottom).
Refer the table of electronegativities to help you.

What are the similarities of physical and chemical change ?

Which element is the least metallic between cadmium, silver, zinc, or iron?

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.