Which does not describe the relationship between the nucleus and the electron cloud of an atom?
the electron cloud takes up much more space than the nucleus.
the charges of the nucleus and electron cloud are balanced.
the electrons move much faster than the particles in the nucleus.
the masses of the nucleus and electron cloud are balanced

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