The correct answer(reported to the proper number of significant figures)to the following is
(12.67+19.2)(3.99)/(1,36+11.366)=

What is the rms speed of cesium atoms that have been cooled to a temperature of 100 nk?

Ahypothrticalax type of ceramic material is known to have a density of 2.10 g/cm3 and a unit cell of cubic symmetry with a cell edge length of 0.57 nm. the atomic weights of the a and x elements are 28.5and 30.0 g/mol, respectively. on the basis of this information, which of the following crystal structures is (are) possible for this material: sodium chloride, cesium chloride, or zinc blende

How do dying stars contribute to the formation of planets