A radioactive element of the actinide group of metals. It has the atomic symbol Pa, atomic number 91, and atomic weight 231. It decays by alpha-emission.

http://purl.bioontology.org/ontology/MESH/D011478

AD AE AN BL CF CH CL EC HI IP ME PD PK PO SD ST TO TU UR

C0033597

1

A radioactive element of the actinide group of metals. It has the atomic symbol Pa, atomic number 91, and atomic weight 231. It decays by alpha-emission.

19660101

http://purl.bioontology.org/ontology/MESH/Q000097

http://purl.bioontology.org/ontology/MESH/Q000627

http://purl.bioontology.org/ontology/MESH/Q000493

http://purl.bioontology.org/ontology/MESH/Q000494

http://purl.bioontology.org/ontology/MESH/Q000134

http://purl.bioontology.org/ontology/MESH/Q000266

http://purl.bioontology.org/ontology/MESH/Q000378

http://purl.bioontology.org/ontology/MESH/Q000008

http://purl.bioontology.org/ontology/MESH/Q000009

http://purl.bioontology.org/ontology/MESH/Q000032

http://purl.bioontology.org/ontology/MESH/Q000191

http://purl.bioontology.org/ontology/MESH/Q000302

http://purl.bioontology.org/ontology/MESH/Q000145

http://purl.bioontology.org/ontology/MESH/Q000592

http://purl.bioontology.org/ontology/MESH/Q000737

http://purl.bioontology.org/ontology/MESH/Q000506

http://purl.bioontology.org/ontology/MESH/Q000633

http://purl.bioontology.org/ontology/MESH/Q000600

http://purl.bioontology.org/ontology/MESH/Q000652

0S6855V29M

http://purl.bioontology.org/ontology/MESH/C000615169

http://purl.bioontology.org/ontology/MESH/C000615167

http://purl.bioontology.org/ontology/MESH/C000615168

19990101

20170425

D01.268.556.750

D01.552.020.778

D01.552.544.750

D01.496.749.305.100.725

D01.268.271.100.725

D011478

Protactinium

7440-13-3 (Protactinium)

T033901

NLM (1966)

FDA SRS (2014)

T196

http://purl.bioontology.org/ontology/MESH/D019216

http://purl.bioontology.org/ontology/MESH/D008671