protactinium

protactinium is a rare element found in uranium ores.

the atomic number of protactinium is 91.

scientists study protactinium for its potential use in nuclear reactors.

protactinium has a high density compared to other actinides.

due to its radioactivity, protactinium must be handled with care.

researchers have isolated protactinium isotopes for various experiments.

the discovery of protactinium changed the understanding of the actinide series.

protactinium is used in scientific research and not found in everyday life.

due to its scarcity, protactinium is not commercially available.

understanding the properties of protactinium is crucial for nuclear chemistry.