The last element in any period always has: a. two electrons in the outermost energy level b. its outer energy level completed c. the properties of an inert gas d. the lowest atomic weight because it is a gas

When balancing a chemical equation:

Which metals are called noble metals

28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action