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(also called or polypropylene) colourless transparent thermoplastic used where a flexible material is required.
an electrochemical cell has two half-cells: one is where oxidation takes place and the other...
The empirical formula of an ionic compound or a covalent network (macro-molecule) structure. To...
the levels of energy in which electrons move and which have fixed amounts of energy.
a halogen atom (F, Cl, Br or I) reacts by addition reaction with alkenes
a number that indicates how the atom will react during the formation of chemical bonds.