Auto-ionization
the transfer of a proton from one molecule to another of the same substance
Subject:
Chemistry
Forum reference:
Book page:
http://course-notes.org/Chemistry
Aufbau principle
a principle stating that as protons are added one by one to the nucleus to build up the elements, electrons are similarly added to the hydrogen-like orbitals
Subject:
Atomic solid
a solid that contains atoms at the lattice points
Subject:
Atomic radius
half the distance between the atomic nuclei in a molecule consisting of identical atoms
Subject:
Atomic number
the number of protons in the nucleus of an atom;each element has a unique atomic number
Subject:
Atomic mass (weight)
the weighted average mass of the atoms in a naturally occurring element
Subject:
Atom
the fundamental unit of which elements are composed
Subject:
Atmosphere
the mixture of gases that surrounds the earth's surface
Subject:
Arrhenius concept
a concept postulating that acids produce hydrogen ions in aqueous solution, whereas bases produce hydroxide ions
Subject:
Aromatic hydrocarbon
one of a special class of cyclic unsaturated hydrocarbons, the simplest of which is benzene
Subject:
Pages
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