Monthly Archives: October 2014

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This week’s key element is HYDROGEN

 Background Information Hydrogen was discovered by Henry Cavendish in 1766 and was later named by Antoine  Lavoisier in 1783. It is the first element of the periodic table and is also the lightest, with an atomic mass of only 1.008. The hydrogen atom has 1 electron. Hydrogen is also the most abundant chemical substance [...]

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