The mass number of a nucleus is the number of: protons nucleons electrons neutrons

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

What is a metal replacement reaction

If two objects at different te,peraure are in contact with each other what happens to their temperature