Eric Scerri recounts the story of element 87, which after a number of ... by Mendeleev in 1871 and given the provisional name 'eka-caesium'. It was recognized early on that the periodic table ...

Pauling's electronegativity scale, the most widely used and found in every chemistry textbook, ranges from 0.7 for cesium to 4.0 for fluorine. The higher an element's electronegativity, the stronger ...

Iris Metals Ltd (ASX:IR1) has found high-grade lithium and caesium through drilling work at its Tin Mountain project in South ...

Shallow, high-grade, and consistent mineralization with exceptional cesium oxide (Cs₂O ... to reinforce the opportunity to target multi-element resource development at the world-class Case ...