The repeating subunits that are responsible for the chance of a crystal are know as unit cells
heavy nuclei
light electrons
amorphous cells

Calculate the number of molecules present in 0.750 mol of mgo.

Which statement best explains the relationship between an area is geography and the temperature of its surface water

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .