The proper name for the elements potassium and iodine

What is the mass of each element in a 324.8 sample of co2

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma

Mr. rose asked his student to draw a quadrilateral with four unequal sides. an example of this kind of quadrilateral