Within a group, which period, top or bottom is likely to contain atoms with the larger radius?

What is the mass of 4 molecules of co2

Which of these conditions most likely produces an unstable isotope?

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.