How many electrons can occupy the 4p sublevel of a neutral atom of bromine

Which statement describes both homogeneous mixtures and heterogeneous mixtures?

If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system