"Li⁺" meaning in Translingual

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          "ref": "1988 April 1, Christopher Miller with Stahl, Neil and Barrol, Margaret, “A thermodynamic analysis of monovalent cation permeation through a K⁺-selective ion channel”, in Neuron (in English), page 159:",
          "text": "For Li⁺, Na⁺, K⁺, and Rb⁺, the enthalpy of binding to the channel is close to zero.",
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        "a radical cation of lithium with a charge number of 1"
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        "(chemistry) a radical cation of lithium with a charge number of 1"
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