Struggling with your prescribed literature?
Our Literature Study Guides provide insights and analysis of themes and characters and includes guidelines for writing your exam.
molecule where the ratio of atoms is 1 : 3. So the bond angle is 1200, for example BF3
the heat of reaction or the change in heat when reactants form products during a chemical...
calculating the mass of a substance, given the mass of a reactant or product.
the time required for half the atoms present in an object have undergone radioactive decay and...
a solution to which a little acid has been added to a lot of water.