మూస:క్రిప్టాన్ మూలకము

క్రిప్టాన్, 00Kr
A krypton-filled discharge tube glowing white
క్రిప్టాన్
Pronunciation/ˈkrɪptɒn/ (KRIP-ton)
Appearancecolorless gas, exhibiting a whitish glow in a high electric field
Standard atomic weight Ar°(Kr)
క్రిప్టాన్ in the periodic table
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Ununtrium Flerovium Ununpentium Livermorium Ununseptium Ununoctium
Ar

Kr

Xe
బ్రోమిన్క్రిప్టాన్రుబీడియం
Groupమూస:Infobox element/symbol-to-group/format
Periodperiod 4
Block  p-block
Electron configuration[Ar] 3d10 4s2 4p6
Electrons per shell2, 8, 18, 8
Physical properties
Phase at STPgas
Melting point115.78 K ​(-157.37 °C, ​-251.27 °F)
Boiling point119.93 K ​(-153.415 °C, ​-244.147 °F)
Density (at STP)3.749 g/L
when liquid (at b.p.)2.413[3] g/cm3
Triple point115.775 K, ​73.53[4] kPa [5]
Critical point209.48 K, 5.525[4] MPa
Heat of fusion1.64 kJ/mol
Heat of vaporization9.08 kJ/mol
Molar heat capacity5R/2 = 20.786 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 59 65 74 84 99 120
Atomic properties
Oxidation states0, +1, +2 (rarely more than 0; oxide is unknown)
ElectronegativityPauling scale: 3.00
Covalent radius116±4 pm
Van der Waals radius202 pm
Color lines in a spectral range
Spectral lines of క్రిప్టాన్
Other properties
Natural occurrenceprimordial
Crystal structureface-centered cubic (fcc)
Cubic face-centered crystal structure for క్రిప్టాన్
Speed of sound(gas, 23 °C) 220, (liquid) 1120 m/s
Thermal conductivity9.43×10-3  W/(m⋅K)
Magnetic orderingdiamagnetic[6]
CAS Number7439-90-9
History
DiscoveryWilliam Ramsay and Morris Travers (1898)
First isolationWilliam Ramsay and Morris Travers (1898)
Isotopes of క్రిప్టాన్
Template:infobox క్రిప్టాన్ isotopes does not exist
 Category: క్రిప్టాన్
| references

References

  1. "Standard Atomic Weights: Krypton". CIAAW. 2001.
  2. Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; et al. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry (in ఇంగ్లీష్). doi:10.1515/pac-2019-0603. ISSN 1365-3075.
  3. Krypton. encyclopedia.airliquide.com
  4. 4.0 4.1 Haynes, William M., ed. (2011). CRC Handbook of Chemistry and Physics (92nd ed.). Boca Raton, FL: CRC Press. p. 4.121. ISBN 1439855110.
  5. "Section 4, Properties of the Elements and Inorganic Compounds; Melting, boiling, triple, and critical temperatures of the elements". CRC Handbook of Chemistry and Physics (85th ed.). Boca Raton, Florida: CRC Press. 2005.
  6. Magnetic susceptibility of the elements and inorganic compounds, in Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.