Explain how you calculate the mass of a substance when you only know the number of moles. Then explain how you calculate the number of moles in a substance when you only know the mass.

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?

Which type of intermolecular force is pbr3

What is the chemical name of the compound ti2o3?