What is the volume in ml of a cube with each side 80mm long ?

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

From the choices provided below, list the reagent(s) in order that will react with cyclopentanone to form the compound shown below.