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General chemistry
Industry: Chemistry
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General chemistry
coulomb
Chemistry; General chemistry
The SI unit of electric charge, equal to the amount of charge delivered by a current of 1 ampere running for 1 second. One mole of electrons has a charge of about 96487 C.
lanthanide contraction
Chemistry; General chemistry
An effect that causes sixth period elements with filled 4f subshells to be smaller than otherwise expected. The intervention of the lanthanides increases the effective nuclear charge, which offsets ...
significant figure
Chemistry; General chemistry
A convention for recording measurements. Measurements are rounded so that they contain only the digits up to and including the first uncertain digit, when the number is written in scientific ...
ammonium ion
Chemistry; General chemistry
NH4+ is a cation formed by neutralization of ammonia , which acts as a weak base .
equivalent
Chemistry; General chemistry
1. The amount of substance that gains or loses one mole of electrons in a redox reaction. 2. The amount of substances that releases or accepts one mole of hydrogen ions in a neutralization reaction. ...
nucleic acid
Chemistry; General chemistry
A polymer made of repeating nucleotides . Examples are DNA and RNA .
triglyceride
Chemistry; General chemistry
A triglyceride is an ester of glycerol and three fatty acids . Most animal fats are composed primarily of triglycerides. In the structures below, the fatty acids attached to the glycerol are ...
