Name a 3d shape with rectangular faces only?

The velocity of a curling stone is due east. what will be the direction of the momentum of the curling stone as it moves?

What are the phases shown in a and d called?

The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions