1. Based on the diagram below, rank the three objects from least dense to most dense. Y N O A. Object X, object Z, object Y O B. Object Z, object Y, object X O C. Object X, object Y, object Z. OD. Object Y, object Z, object X

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

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon

What type of reaction fuels the processes seen here?