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horizontal rows of elements in the periodic table that are arranged according to their atomic mass.
a material that resists the flow of electric current.
a hydrocarbon with single bonds between carbon atoms and one hydrogen replaced by a hydroxyl...
a short way of writing the name of a chemical compound. It shows the composition of the compound...
non-rechargeable cells, such as the zinc-carbon torch cell.
electrostatic forces of attraction that keep cations and anions together in a crystal lattice...