The willingness of the 4f orbitals of lanthanide metals to participate in chemical reactions is as rare as their presence in ...

Remarkably, Ramsey then went on to isolate helium (1895) and radon (1908) and, with Morris Travers, to discover krypton, neon and xenon (1898). It was debated whether the 'inert' monoatomic gases ...

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Department of Physics, Chemistry and Biology (IFM), Linköping University, Linköping, SE-58183, Sweden ...