Compounds derived from ammonia. They contain a basic nitrogen atom and can be organic or inorganic.
An oil is any nonpolar chemical substance that is a viscous liquid at ambient temperatures and is both hydrophobic
A path made of copper on a PCB. It is used in the same manner as electrical wires, to connect the components of a board.
Chemicals derived from plant and animal fats. They are analogous to petrochemicals derived from petroleum.
A substance added to something in small quantities to improve or preserve it.
A pigment is a material that changes the color of reflected or transmitted light as the result of wavelength-selective
A repeating unit in a polymer chain. The term monomer is derived from the Greek word “mono” meaning one.
An organic compound added to a high polymer both to facilitate processing and to increase the flexibility and toughness of
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