Which item is the largest?

a)atomb)electronc)neutrond)proton

In which reaction is precipitation occurring?

How many moles of bromine are needed to produce 3.23 moles of potassium bromide

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car