F
family (of elements)
Elements found in the same column of the periodic table, also known as a group of elements.These elements will have similar properties.
fat
A solid ester of a long-chain carboxylic acid with glycerol.
fenfluramine
Amphetamine-like component of fen-phen that suppresses appetite by increasing seratonin levels in the brain.
filter
To separate an insoluble solid from a liquid by pour it through a solid (usually paper) to trap the solid particles and separate them from the liquid.
fission
The process in which heavy nuclei split to form lighter nuclei.
fluorescence
forensic Relating to the application of scientific knowledge to legal problems.
formula
A shorthand way of showing the composition of a substance with the use of symbols and numerical subscripts.
freezing
The change of phase from a liquid into a solid.
frequency
The number of complete waves passing a point in space in a given amount of time.
fuel
A material that can be burned to provide a source of energy.
fumigant
A gaseous substance used to disinfect an object or to destroy pests.
fungicides
A chemical that kills fungi or prevents them from growing.
fusion
The joining of two small nuclei to form a larger nucleus.
