Plutonium hydride

Plutonium hydride is a non-stoichiometric chemical compound with the formula PuH_2+x. It is one of two characterised hydrides of plutonium, the other is PuH₃. PuH₂ is non-stoichiometric with a composition range of PuH₂ – PuH_2.7. Additionally metastable stoichiometries with an excess of hydrogen (PuH_2.7 – PuH₃) can be formed. PuH₂ has a cubic structure. It is readily formed from the elements at 1 atmosphere at 100–200 °C: When the stoichiometry is close to PuH₂ it has a silver appearance, but gets blacker as the hydrogen content increases, additionally the color change is associated with a reduction in conductivity.

单词	Plutonium hydride
释义	Plutonium hydride 英语百科 Plutonium hydride Plutonium hydride is a non-stoichiometric chemical compound with the formula PuH_2+x. It is one of two characterised hydrides of plutonium, the other is PuH₃. PuH₂ is non-stoichiometric with a composition range of PuH₂ – PuH_2.7. Additionally metastable stoichiometries with an excess of hydrogen (PuH_2.7 – PuH₃) can be formed. PuH₂ has a cubic structure. It is readily formed from the elements at 1 atmosphere at 100–200 °C: When the stoichiometry is close to PuH₂ it has a silver appearance, but gets blacker as the hydrogen content increases, additionally the color change is associated with a reduction in conductivity.
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