Q3. The first energy level is the
(nearest or farthest) shell to the
Nucleus.

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?

The sum of the oxidation numbers in a neutral compound is always

One student said that the investigation was not valid (a fair test). write a plan for the investigation that includes improvements to the method and apparatus