What mass of ethane contains the same number of molecules as 3.00 g of trichlorofluoromethane, ccl3f?

An electrons position cannot be known precisely only it's probability of being in a certain location can be known

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

Why is retrograde motion an apparent motion