protactinium (Q1109)

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element with symbol Pa and atomic number of 91
  • Pa
  • element 91
  • 91Pa
  • protoactinium
  • brevium
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Language Label Description Also known as
English
protactinium
element with symbol Pa and atomic number of 91
  • Pa
  • element 91
  • 91Pa
  • protoactinium
  • brevium

Statements

image
Protactinium-233.jpg
3,200 × 2,542; 1,020 KB
0 references
mass
231.03588±0.00001 dalton
1 reference
stated in
Chemistry International
title
Standard Atomic Weights of 14 Chemical Elements Revised (English) (English)
retrieved
19 October 2020
DOI
10.1515/CI-2018-0409
named after
actinium
0 references
discoverer or inventor
Kazimierz Fajans
0 references
Otto Hahn
0 references
Lise Meitner
0 references
time of discovery or invention
1917
0 references
chemical formula
Pa
1 reference
stated in
PubChem
PubChem CID
23945
language of work or name
English
title
PROTACTINIUM (English)
retrieved
18 November 2016
canonical SMILES
[Pa]
1 reference
stated in
PubChem
PubChem CID
23945
language of work or name
English
title
PROTACTINIUM (English)
retrieved
18 November 2016
atomic number
91
0 references
electronegativity
2
0 references
plaque image
At Tokyo 2024 150.jpg
4,032 × 3,024; 12.21 MB
0 references
Commons gallery
Protactinium
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Commons category
Protactinium
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Identifiers

Dewey Decimal Classification
546.423
0 references
669.2924
0 references
InChI
InChI=1S/Pa
1 reference
stated in
PubChem
PubChem CID
23945
language of work or name
English
title
PROTACTINIUM (English)
retrieved
18 November 2016
EC number
616-087-9
1 reference
stated in
ECHA Substance Infocard database
ECHA Substance Infocard ID
100.122.906
retrieved
27 December 2018
title
Protactinium (English)
quotation
CAS no.: 7440-13-3 (English)
MeSH descriptor ID
D011478
subject named as
Protactinium
0 references
MeSH tree code
D01.268.271.100.725
0 references
D01.268.556.750
0 references
D01.552.020.778
0 references
D01.552.544.750
0 references
CAB ID
7539
1 reference
stated in
CAB Thesaurus
retrieved
6 April 2020
Lex ID
protactinium
0 references
Elhuyar ZTH ID
030190
0 references
NALT ID
3207
0 references
Treccani ID
protoattinio
subject named as
protoattinio
0 references
USGS Thesaurus ID
1547
0 references
WikiKids ID
Protactinium
0 references
WordNet 3.1 Synset ID
14675887-n
1 reference
stated in
GF WordNet
 
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