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a molecule that is so big that we can see it, e.g. diamond.
an area or region where there is a high probability (95% chance) of finding electrons. Each...
a short way of writing the name of a chemical compound. It shows the composition of the compound...
centre part of an atom with positive charge concentrated in a tiny kernel.
forms ions (either by breaking a crystal lattice up or by a chemical reaction).
6,02 x 1023 particles or objects. Also known as the number of particles in one mole...