I think i found your answers
Answer:
They spread apart to fill the enclosed object. In other words they move freely...
hope this helped you
please mark as the brainliest(ㆁωㆁ)
Answer:
Which statements describe how chemical formulas, such as H2O, represent compounds? ... They show the elements that make up a compound. They show the types of atoms that make up a molecule. They show the number of each type of atom in a molecule.