How many grams is 2.393 x 10^24 atoms of O? 70.45 g O
140.9 g O
63.58 mole O
63.58 g O

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

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough