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a molecule containing anything from thousands to hundreds of millions of atoms per molecule, a...

a molecule that is so big that we can see it, e.g. diamond.

attracted to iron, cobalt or nickel, or forms a permanent or temporary magnetic field.

the sum of the number of protons and neutrons (the nucleons) in the nucleus of an atom. It...

calculating the mass of a substance, given the mass of a reactant or product.

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