Difference between revisions 2037599 and 2037600 on lawiki'''Helium-3''' (He-3, vel '''tralphium''') est [[isotopus]] quodi non est [[Radioactivitas|radioactivus]] [[helium|helii]] quodi habet duo [[proton|protona]] et unum [[neutron]]. Rarum est in [[tellus (planeta)|tellure]].
[[en:Helium-3]]
[[Categoria:Elementa chemica]]
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