- Physical Sciences
a state in which the outer energy level of an atom of any element is completely filled with electrons, similar to that of a noble gas.
a solution containing much acid dissolved in little water.
forces of attraction between non-polar molecules (H2; CH4 ) or the atoms of a monatomic gas...
a layer of new metal is deposited on another metal by a chemical reaction in which electricity...
a method of separating mixtures based on differences in their boiling points.