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forms between two atoms if the two atoms share six electrons.
a polymer used in manufacture of synthetic resins, fibres and plastics.
a pair of electrons shared between two atoms in a covalent bond.
(also called dative covalent bond) one atom contributes both electrons (or a lone pair of...
water droplets that combine with one another, grow too heavy to stay in the air, and fall to the...
calculating the volume of a product when the mass of a reactant or product is given.