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Preferred Label : lawrencium;

MeSH definition : Lawrencium. A radioactive actinide discovered in 1961. It has the atomic symbol Lr, atomic number 103, and atomic weight of 257. There are two isotopes with mass number 257 or 258, and mass number 256.; A radioactive actinide discovered in 1961. It has the atomic symbol Lr, and atomic number 103. There are twelve isotopes with mass numbers 252–262 and 266.;

MeSH CAS label : lawrencium;

MeSH Related Number : 22537-19-5 (Lawrencium);

Registry Number MeSH : 22537-19-5;

MeSH annotation : naturally radioactive; IM;

Wikipedia link : https://en.wikipedia.org/wiki/Lawrencium;

Is substance : O;

UNII : QRT37X99RQ;

InChIKey : CNQCVBJFEGMYDW-UHFFFAOYSA-N;

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Keyword's position in hierarchy(ies) : arborescence

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Lawrencium. A radioactive actinide discovered in 1961. It has the atomic symbol Lr, atomic number 103, and atomic weight of 257. There are two isotopes with mass number 257 or 258, and mass number 256.
A radioactive actinide discovered in 1961. It has the atomic symbol Lr, and atomic number 103. There are twelve isotopes with mass numbers 252–262 and 266.

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07/06/2025


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