Search over 10,000 free study notes

Electronegativity is the power of an atom to attract the electron density in a covalent bond towards itself. It depends on1. The nuclear charge of the element2. The distance between the nucleus and outer she...

First write out the equation given:Na + O 2 —> Na 2 ONow count how many oxygen atoms are on the LHS of equation (2) and how many are on the RHS (1). This means you must put a 2 in front of the Na 2 O to B...

Stereoisomers are molecules that have the same structural and molecular formula but a different arrangement in space. An example of a common group of stereoisomers is from molecules with a carbon to carbon d...

The delocalised ring in aromatic compounds (such as benzene) is very stable and therefore requires a very strong electrophile to be created before it will react. An example of this would be the formation of ...

Reflux apparatus is when a distillation tube is surrounded by an apparatus that pumps cold water around it in order to condense its compounds in the mixture As ethanol has a low boiling point, it evaporates ...