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a hydrocarbon with single bonds between carbon atoms and at least one hydrogen replaced by a halogen atom, like bromine.
molecule where the ratio of atoms is 1 : 5, for example PCl5
molecule where the ratio of atoms is 1 : 3. So the bond angle is 1200, for example BF3
electrons that have become removed from the atom and form a âseaâ or region to which the...
forms between two atoms if the two atoms share six electrons.