Which is found farthest from the center of an atom?

What is created when solids, liquids, an gases mix with one another

Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?

What happens when you slowly pulled the carboard?