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molecule where the ratio of atoms is 1 : 3. So the bond angle is 1200, for example BF3
the species that remains after an acid has donated a proton.
completes the circuit between the two half-cells in an electrochemical cell.
group or organic hydrocarbons, having single bonds between carbon atoms.
the amount of energy required to change the temperature of a substance.
molecules that consist of two atoms.