Determine the pH of a solution of 1.45 M HCl solution

What is the polyatamic ion of thiosulfate

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.

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false