respiratory

Four new elements named – here’s how the periodic table evolved

Physicists Joe Hamilton, who discovered tennessine, and his colleague A. V. Ramayya autograph a period table on June 8, 2016. (AP Photo/Mark Humphrey) The seventh row of the periodic table is complete, resplendent with four new names for the elements 113, 115, 117 and 118. The International Union of Pure and Applied Chemistry (the organisation ...

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