The sodium atom contains 11 electrons, 11 protons, and 12 neutrons. what is the mass number of sodium?

Agood hypothesis includes which of the following? a: prediction b: data c: uncertainty d: conclusion

Modern weaponry has increased the number of deaths in wars and violent conflicts.

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.