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Also known as Kr, element 36, 36Kr

기호 Kr과 원자 번호 36을 가진 화학 원소

OverviewAI-generated

Krypton is a chemical element with the symbol Kr and atomic number 36. It has a standard atomic weight of 83.798, while PubChem lists its weight as 83.80. The element was discovered in 1898. Its electron configuration is described as 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ or [Ar] 3d¹⁰ 4s² 4p⁶. The canonical SMILES representation is [Kr].

Physicochemical properties include an electronegativity of 3 and a standard molar entropy of 164. The molecule has a topological polar surface area of 0, with zero hydrogen bond donors and acceptors, and a charge of 0. The Unicode character for krypton is 氪. In academic literature, a PubMed query for krypton yields 3040 results. Additionally, the subject is referenced by 631 other encyclopedia articles.

Synthesized by Vinony from 24 facts across 4 sources: Wikidata, PubChem, PubMed, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.

Chemical data

Formula: Kr
Molecular weight: 83.8 g/mol
IUPAC name: krypton
SMILES: [Kr]
InChIKey: DNNSSWSSYDEUBZ-UHFFFAOYSA-N
Polar surface area: 0 Å²
H-bond donors: 0
H-bond acceptors: 0
Formal charge: 0

via PubChem

Research

3,040 papers

Krypton-81m.Progress in nuclear medicine · 1978Goris M, Daspit S
Krypton-derivatization highlights O(2)-channeling in a four-electron reducing oxidase.Chemical communications (Cambridge, England) · 2020Engilberge S, Wagner T, Carpentier P et al.DOI: 10.1039/d0cc04557h
HEART.ReviewAnnual review of physiology · 1964BERNE RM, LEVY MNDOI: 10.1146/annurev.ph.26.030164.001101
A krypton-83m generator.The International journal of applied radiation and isotopes · 1971Moghissi AA, Hupf HBDOI: 10.1016/0020-708x(71)90130-x
Validation of krypton as a new tracer gas for the standardization tests of collective and individual protection systems.Annals of work exposures and health · 2024Cabaset E, Marchal M, Santandrea A et al.DOI: 10.1093/annweh/wxad071
Deep-mantle krypton reveals Earth's early accretion of carbonaceous matter.Nature · 2021Péron S, Mukhopadhyay S, Kurz MD et al.DOI: 10.1038/s41586-021-04092-z
[The pharmacology of the rare gases (helium, neon, argon, krypton, xenon)].ReviewActualites pharmacologiques · 1974Featherstone RM, Settle W
The krypton thunderbolt.Hospital practice · 1976Commoner BDOI: 10.1080/21548331.1976.11707001

Wikidata facts

Instance of: atmophile element
Part of: noble gases
Named after: hiding
Mass: 83.798
Image: KrTube.jpg

Show 16 more facts

electronegativity: 3
element symbol: Kr
Commons category: Krypton
topic's main category: Category:Krypton
atomic number: 36
Commons gallery: Krypton
chemical formula: Kr
canonical SMILES: [Kr]
time of discovery or invention: 1898-00-00
discoverer or inventor: Morris Travers
location of discovery: United Kingdom
standard molar entropy: 164
Unicode character: 氪
electron configuration: [Ar] 3d¹⁰ 4s² 4p⁶
on focus list of Wikimedia project: Wikipedia:Vital articles/Level/4
different from: kryptonite

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