I have learnt characteristics and peculiarities of the different materials on this week.
On the one hand the materials most importants for the chemical are in the periodic table. The elements of the table are: Hydrogen, lithium, magnesium, gold, calcium, iron ... The table divide it into eighteen colums and seven ranks.The periodic table of the chemical elements is a tubular display the chemical element. The chemical elements are grouped: transition metals, poor metals and metaloids. Other informal groupings exist, such as the platinum group and the noble metals.
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