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}} Sodium polonide is a chemical compound with the formula Na2Po. It is a polonide, a set of very chemically stable compounds of polonium.〔.〕 Due to the difference in electronegativity (ΔEN) between sodium and polonium (≈ 1.1 under the Pauling system) and the slight non-metallic character of polonium, it is intermediate between intermetallic phases and ionic compounds. ==Production== This salt may be produced from the reaction between aqueous hydrogen polonide and sodium metal:〔〔 :H2Po + 2 Na → Na2Po + H2 This method of synthesis is hampered by the chemical instability of hydrogen polonide. Sodium polonide may also be produced by heating sodium and polonium together at 300–400 °C.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Sodium polonide」の詳細全文を読む スポンサード リンク
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