Assertion: protactinium | /r/HasProperty | chemical element
Facets:
value: with atomic number
type: OTHER
value: with the symbol
type: OTHER
value: with symbol pa
type: OTHER
Source sentences:
text: Protactinium is a chemical element with atomic number 91 which means there are 91 protons and 91 electrons in the atomic structure.
text: In 1980, the International Atomic Energy Agency (IAEA) observed that protactinium, a chemical element generated in thorium reactors, could be separated and allowed to decay to
text: Protactinium (formerly protoactinium) is a chemical element with the symbol Pa and atomic number 91.
text: Protactinium is a chemical element with the symbol Pa and atomic number 91.
text: Protactinium is a chemical element with the symbol Pa and atomic number 91.
text: Protactinium is a chemical element with symbol Pa and atomic number 91.
text: Protactinium is a chemical element with atomic number 91 which means there are 91 protons and 91 electrons in the atomic structure.
text: Protactinium is a chemical element with the symbol Pa and atomic number 91.
text: Protactinium ( /ˌproʊtækˈtɪniəm/ PROH-tak-TIN-ee-əm) is a chemical element with the symbol Pa and atomic number 91.
text: Protactinium (formerly protoactinium) is a chemical element with the symbol Pa and atomic number 91.
text: Protactinium is a chemical element with the symbol Pa and atomic number 91.
text: Protactinium (pronounced /ˌproʊtækˈtɪniəm/) is a chemical element with the symbol Pa and atomic number 91.
text: Protactinium is a chemical element with the symbol Pa and atomic number 91.
text: Protactinium is a chemical element with chemical symbol Pa and atomic number 91.
text: Protactinium (formerly protoactinium) is a chemical element with the symbol Pa and atomic number 91.
text: Protactinium (formerly protoactinium) is a chemical element with the symbol Pa and atomic number 91.
text: Protactinium is a chemical element with the symbol Pa and atomic number 91.
text: Protactinium is a chemical element identified by the chemical symbol
text: Protactinium is a chemical element identified by the chemical symbol