Al (26.98 amps) has a ymk structure and an atomic radius of 143.2 pm. Calculate a) the unit cell size (edge length), b) the density of Al metal.

Mrs. smith ordered a root beer float (vanilla ice cream + root beer). mrs. smith noticed that the three states of matter (solid, liquid, and gas) all existed simultaneously in her root beer float. a. identify each phase of matter in the root beer float. b. describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? ) c. identify one phase change you would see in a root beer float and described what causes this change.

Complete each row of the table below by filling in the missing prefix or missing exponent.

Salt in oceans comes from and of rocks