Which NONMETAL is the MOST REACTIVE (Most likely to form chemical bonds to result in a full outer energy level)
A)Fr (Francium)
B)Al (Aluminum)
C)F (Fluorine)
D)Br (Bromine)

How many moles of al3+ ions are in 1.25 moles of al2o3

In one or two grammatically correct sentences, write a definition for the term molecule geometry

4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.