IYPT 2019 Elements 055: Caesium: Atomic clocks and explosive reactions

Element 55 in our International Year of the Periodic Table series is caesium. Caesium is used in atomic clocks and is the most reactive metal in the periodic table. Caesium is the element most commonly used in atomic clocks, which provide the most accurate times. Since 1967, the second has been defined in reference to […]

https://www.compoundchem.com/2019/08/06/iypt055-caesium/

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