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a substance that can lose a proton in an acid-base reaction.
reactant molecules are in contact with the solid catalyst.
forces of attraction between non-polar molecules (H2; CH4 ) or the atoms of a monatomic gas...
a measure of the number of bonds formed by an atom of a given element.
a measure of the ability of an atom to attract electrons to itself; measure of the tendency...
forms ions (either by breaking a crystal lattice up or by a chemical reaction).