Chemistry equations. i need to know the answer. what kind is it? double repuce? synthesis? idk

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

What two factors can affect the properties of a hydrocarbon? a. the number of its carbon atoms and the number of single bonds b. the number of its carbon atoms and the arrangement of its atoms c. the arrangement of its atoms and the number of its double bonds

What is the mass of 0.750 mole of aluminum oxide, al2o3?