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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 nucleu...

First write out the equation given:Na + O₂ —> Na₂ONow 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 f...

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 carbo...

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 ...

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 eva...