Which noble gas has the same electron configuration as the nitrogen in an NH3 molecule

Calcium chloride +gold(1) oxide—>

The solid xy decomposes into gaseous x and y: xy(s) m x(g) + y(g) kp = 4.1 (at 0 °c) if the reaction is carried out in a 22.4 l container, which initial amounts of x and y will result in the formation of solid xy?

Condensation happens when water vapor cools. true or false? ?