Hydrogen has one proton and one electron. it is in column 1 on the periodic table. how many valence electrons does hydrogen have? 0 1 2 3

Name the intersection of plane bpq and plane cpq.

8. what happens to matter during a chemical reaction

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?