protactinium in a sentence

Examples

1. The hydrolytic properties of pentavalent protactinium are close to those of tantalum ( V ) and niobium ( V ).
2. One process suggested for both separation of protactinium and the removal of the lanthanides is the contact with molten bismuth.
3. Fluorides, phosphates, hypophosphate, iodate and phenylarsonates of protactinium ( IV ) are insoluble in water and dilute acids.
4. He used two different procedures : in the first one, protactinium oxide was irradiated by 35 keV electrons in vacuum.
5. The new name meant " parent of actinium " and reflected the fact that actinium is a product of radioactive decay of protactinium.
6. Much smaller trace amounts of the short-lived nuclear isomer protactinium-234m occur in the decay chain of uranium-238.
7. Protactinium carbide PaC is formed by reduction of protactinium tetrafluoride with barium in a carbon crucible at a temperature of about 1400 �C.
8. Protactinium carbide PaC is formed by reduction of protactinium tetrafluoride with barium in a carbon crucible at a temperature of about 1400 �C.
9. The isotopes of neptunium range in atomic weight from 225.0339 protactinium, and the primary products after are isotopes of plutonium.
10. The most abundant, or easily synthesized actinides are uranium and thorium, followed by plutonium, americium, actinium, protactinium and neptunium.