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Science: Chemistry Quiz

Redox reactions always involve the ____ of electrons. adhesion
Copper has a higher electron ____ (electronegativity) than zinc. affinity
The gain of electrons by a molecule, atom, or ion is ____. cohesion
The heat energy gained or lost in a reaction is called ____. enthalpy
The molecular attraction between dissimilar molecules is ____. exchange
The process of a solid changing directly to a gas is ____. oxidation
The molecular attraction between water molecules is ____. reduction
The loss of electrons by a molecule, atom, or ion is ____. sublimation