Suppose a hypothetical element, unobtanium (un) has a density of 53.42 g/cm3, an atomic mass number of 666, and a face centred cubic structure. determine its unit cell length a. (4 marks) how is it possible? crystallographic explanations . (3 marks) liquid phase. why? (3 marks) (b) ice is an example of a solid that floats in its own liquid phase. why is this unusual and (c) amorphous glasses have no latent heat of fusion when transitioning from a solid to a

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

How is zig zagging a form of acceleration?

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system