Me podrían decir si esta bien esta operaciones? ( 1 propano) butano ( 1 propilen2) butano ( 1 propilin 2) butano están bien hechas? ?

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

What is the maximum number of electrons that an atomic orbital can contain?

Which statement are accurate about snow flakes