Quantum redactiones paginae "protactinium" differant

{{caput|la|Protactinium}}

=={{-la-|Protactinium}}==

:← '''[[protoactinium]]''' “²³¹Pa”

:← {{grc}} {{v|grc|πρῶτος|x=prōtos|n=[[primus]]}} + '''[[actinium]]'''

 

'''prōtăctīn'''|'''ium, -iī''' (''{{n}}; material.; symbolus:'' '''[[Pa]]''')

# ''[[chemia|chem.]]; {{saec20}}'' | Elementum chemicum cuius numerus atomicus 91 est.

 

{{declinatio-2i-n-sg|protactin|prōtăctīn}}

 

{{systema-periodicum}}

 

{{en}}

: {{x|en|protactinium|d=x}}