Someone please help me out I will give you a lot of points

What is the formula that this ionic compounds could form sr2+p3-o2-

Which scenario is most similar to the type of collision that gas particles have according to kinetic molecular theory

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.