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the energy released when a nucleus is formed from its component particles.
molecule where the ratio of atoms is 1 : 3. So the bond angle is 1200, for example BF3
reactions in which an atom or group of atoms is replaced in a molecule by another atom or group...
molecule where the ratio of atoms is 1 : 5, for example PCl5
a polymerisation reaction is terminated by any reaction that uses up the radicals.