Most organic compounds contain carbon and hydrogen, but they may also include any number of other elements (e.g., nitrogen ... Organic chemistry is a highly creative science that allows chemists to ...

The last of the elements to be identified was isolated last week. Ever since bearded Russian Professor Dmitri Ivanovich Mendeléeff classified the probable chemical elements in 1869 and arranged ...

The position of an element on the periodic ... properties of a metal. For example it is a good conductor of heat and electricity. Gethin: Today, we've got super science teacher Miss Armit with ...