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a solution to which a little base has been added to a lot of water.
the electrons in a bond between two atoms will be displaced towards the more electronegative...
a solvent able to dissolve a large number of different chemical compounds. Water is the...
(also called or polypropylene) colourless transparent thermoplastic used where a flexible...
usually metal atoms that lose electrons and become positive ions.
(also called dative covalent bond) one atom contributes both electrons (or a lone pair of...