See also:

• ALLOTROPY (Gr. liXXor, other, and rpo7ros, manner)

ALLOTROPY (Gr. liXXor, other, and rpo7ros, manner)  , a name applied by J . J . See also:

• BERZELIUS, JONS JAKOB (1779-1848)

Berzelius to the See also:

• PROPERTY

property possessed by certain substances of existing in different modifications . See also:

• CUSTOM (from O. Fr. costume, costume or coustume; Low Lat. costuma, a shortened form of consuetudo)

Custom has to some extent restricted its use to inorganic See also:

• CHEMISTRY
• CHEMISTRY (formerly "chymistry"; Gr. xvµela; for derivation see ALCHEMY)

chemistry; the corresponding property of organic compounds being generally termed See also:

• ISOMERISM

isomerism (q.v.) . Conspicuous examples are afforded by See also:

• OXYGEN (symbol 0, atomic weight 16)

oxygen, See also:

• CARBON (symbol C, atomic weight 12)

carbon, See also:

• BORON (symbol B, atomic weight I I)

boron, See also:

• SILICON [symbol Si, atomic weight 28.3 (0= 16)]

silicon, See also:

• PHOSPHORUS (Gr. 4ws, light, sPEpety, to bear)

phosphorus, mercuric See also:

• OXIDE

oxide and iodide .