Lots of points and will rate you the branniest if given the correct answer. you!

Match the following items. 1. high-intensity bundle of energy being emitted from some decaying nuclei gamma ray 2. particle radiating from the nucleus of some atoms beta particle 3. negative particle identical to an electron but radiating from a decaying nucleus alpha particle

Calculate the number of molecules present in 0.750 mol of mgo.

Is a pencil falling to the floor anon contact force, a force, or a contact force