2. (a)
Relative atomic mass of copper is 63. How many times is one atom of copper as
heavy as one atom of carbon of carbon-12?

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 the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

Draw the structure for 5-isopropyl-2-methyl-3-nonene