On analysis, an equilibrium mixture for the reaction 2H 2S(g) 2H 2(g) + S 2(g) was found to contain 1.0 mol H 2S, 4.0 mol H 2, and 0.80 mol S 2 in a 4.0 L vessel. Calculate the equilibrium constant, K c, for this reaction.

Mgo2 is the oxidation state of manganese oxide

They are all solids.

☆ionisation energy increases across a period from na -> ar☆ionisation energy decreases down a group from li -> fr☆ionic radius decreases across a period from na -> cl☆ionic radius increases down a groupfrom f -> ii hope it clarifies your doubts