Krypton

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Explore the main themes, entities and connections around Krypton. Start with the topic map, then use the sections below for research and deeper semantic analysis.

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Characteristics

Spectral signatures Uranium Fission Cubic Crystal structure

54 related topics

Applications

Operating temperatures Nuclear fusion Laser Particle physics Calorimeters

24 related topics

History

Britain William Ramsay Morris Travers Liquid air Neon

13 related topics

Overview

Ancient Greek Romanized Chemical element Symbol Atomic number

20 related topics

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

78Kr: 0.360%
79Kr: synth
80Kr: 2.29%
81Kr: trace
81mKr: synth
82Kr: 11.6%

Topics to explore

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Overview

Ancient Greek Ancient Greek language
Romanized Romanization of Ancient Greek
Chemical element
Symbol Symbol (chemistry)
Atomic number
Noble gas
Trace amounts Trace element
Atmosphere Earth's atmosphere
Fluorescent lamps Fluorescent lamp
Chemically inert
Photography
Spectral lines Spectral line
Plasma Plasma (physics)
Ion Ion laser
Excimer Excimer laser
Krypton fluoride Krypton fluoride laser
Laser medium
Official definition of the metre History of the metre
Wavelength
Discharge tubes Discharge tube

Precautions

Asphyxiant Asphyxiant gas
Lipophilic
Not fully clear Theories of general anaesthetic action
Narcotic potency Nitrogen narcosis

Advanced semantic analysis

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Map overview Semantic statistics

Nodes121

Edges120

Triples110

Avg. degree1.98

Density0.016529

Components1

How this topic connects Entity context

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Krypton

Top relations

related to history · 16

Krypton → Britain, Chemistry, English, In, International Bureau, Measures, Morris Travers, Neon, Nobel Prize, October, Scottish, Sèvres, The, This, Weights, William Ramsay

related to Further reading · 11

Krypton → Analysis, Environmental Protection Agency, Kirk, Literature, Monitoring, Office, Radiation Hazards, Research, Review, Washington, William

related to Chemistry · 9

Krypton → Following, Grosse, In, KrF, KrF2, Like, The, Under, Until

related to Isotopes · 9

Krypton → Concentrations, Earth's, In, It, Naturally, North Pole, South Pole, This, Traces

related to External links · 7

Krypton → Krypton Fluoride Lasers, Nottingham, Plasma Physics Division Naval, Research Laboratory, The Periodic Table, University, Videos

related to Natural occurrence · 4

Krypton → Earth, It, Krypton's, The

Ionization energies · 3

Krypton → 1st: 1350.8 kJ/mol, 2nd: 2350.4 kJ/mol, 3rd: 3565 kJ/mol

related to Precautions · 2

Krypton → Being, This

78Kr · 1

Krypton → 0.360%

79Kr · 1

Krypton → synth

Important terminology Word statistics

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Important terminology

gas used noble laser also gases liquid spectral light isotope kr atmosphere isotopes xenon half-life line neon argon stable lines

Entity relationships Subject–Predicate–Object triples

Subject	Predicate	Object	Confidence	Src
Krypton	78Kr	0.360%	1.00	infobox
Krypton	79Kr	synth	1.00	infobox
Krypton	80Kr	2.29%	1.00	infobox
Krypton	81Kr	trace	1.00	infobox
Krypton	81mKr	synth	1.00	infobox
Krypton	82Kr	11.6%	1.00	infobox
Krypton	83Kr	11.5%	1.00	infobox
Krypton	84Kr	57.0%	1.00	infobox
Krypton	85Kr	trace	1.00	infobox
Krypton	86Kr	17.3%	1.00	infobox
Krypton	Appearance	colorless gas, exhibiting a whitish glow in an electric field	1.00	infobox
Krypton	at T (K)	59	1.00	infobox
Krypton	Atomic number (Z)	36	1.00	infobox
Krypton	Block	p-block	1.00	infobox
Krypton	Boiling point	119.93 K (−153.415 °C, −244.147 °F)	1.00	infobox
Krypton	CAS Number	7439-90-9	1.00	infobox
Krypton	Covalent radius	116±4 pm	1.00	infobox
Krypton	Critical point	209.48 K, 5.525 MPa	1.00	infobox
Krypton	Crystal structure	face-centered cubic (fcc) (cF4)	1.00	infobox
Krypton	Density (at STP)	3.749 g/L	1.00	infobox
Krypton	Discovery and first isolation	William Ramsay and Morris Travers (1898)	1.00	infobox
Krypton	Electron configuration	[Ar] 3d10 4s2 4p6	1.00	infobox
Krypton	Electronegativity	Pauling scale: 3.00	1.00	infobox
Krypton	Electrons per shell	2, 8, 18, 8	1.00	infobox
Krypton	Group	group 18 (noble gases)	1.00	infobox
Krypton	Heat of fusion	1.64 kJ/mol	1.00	infobox
Krypton	Heat of vaporization	9.08 kJ/mol	1.00	infobox
Krypton	Ionization energies	1st: 1350.8 kJ/mol	1.00	infobox
Krypton	Ionization energies	2nd: 2350.4 kJ/mol	1.00	infobox
Krypton	Ionization energies	3rd: 3565 kJ/mol	1.00	infobox

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