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reactions in which two or more molecules react to form one molecule.
substances such as elements or compounds, that cannot be broken down into simpler substances by...
the energy required to remove electrons from an element in the gaseous phase.
a process whereby molecules combine automatically to form new ions as in the case of water.
when radioactive particles collide with air molecules, they can cause the molecules to lose or...
the radius of an ion of an atom, from the nucleus to the outermost.