What is the Noble gas notation for mercury (Hg)? (2 points) [Xe] 6s24 145d10
[Xe] 6s 6d10
[Rn] 652 48145010
[Rn] 6s26010

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

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?