An ____ is a substance that is made up of only ____ type of atom. There are about ____ elements and they are arranged by ____ ____ in the periodic table. The non-metals are located ____ the line on the ____ hand side, the metals are ____ the line on the ____. Some ____ are carbon, ____ and helium, some ____ are ____ copper and gold. At room temperature, ____ and bromine are both ____ whilst nitrogen, ____, hydrogen and a few others are ____. The large majority are ____.

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