The noble gases are located in which column of the periodic table?
a. 1
b. 6
c. 9
d. 18

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

In which reaction is precipitation occurring?

What is the mass of phosphorous in a 51-kg person