How many g/mL are in 12cg/L

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

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable