For which properties can a student design an investigation of the electrostatic forces between molecules in a substance

Calculate the number of moles of ethane in 100 grams

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.

Which statement describes james chadwick’s discovery.