Suppose that the diver of the other car speeds up to 90 km/hr., relative to the ground. What is the speed and direction of the other car, relative to you?

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right

If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood