Some thoughts on the periodic table when reflecting on the International Year of the Periodic Table
Issue 375 | Page 47 | Published Jan 2020
Description
150 years of the periodic table's development are described through discovery of four chosen elements over this time period, by chemists from different countries, even of different chemistry periods – truly periodic!
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Iodine in thyroid function and how simple organification of an amino acid produces these essential hormones.
The importance of molecular oxygen, atomic oxygen, ozone and the hydroxyl radical in the Earth's atmosphere.
There is no suitable substitute for molecular nitrogen in the atmosphere, which emphasises its necessity for life.