Template:Infobox cadmium: Difference between revisions

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Latest revision as of 07:20, 27 September 2023

Cadmium, 48Cd
File:Cadmium-crystal bar.jpg
Cadmium
उच्चारण/ˈkædmiəm/ (KAD-mee-əm)
दिखावटsilvery bluish-gray metallic
Standard atomic weight Ar°(Cd)
  • 112.414±0.004
  • 112.41±0.01 (abridged)[1]
Cadmium 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 Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson
Zn

Cd

Hg
silvercadmiumindium
Atomic number (Z)48
समूहgroup 12
अवधिperiod 5
ब्लॉक  d-block
ऋणावेशित सूक्ष्म अणु का विन्यास[Kr] 4d10 5s2
प्रति शेल इलेक्ट्रॉन2, 8, 18, 18, 2
भौतिक गुण
Phase at STPsolid
गलनांक594.22 K ​(321.07 °C, ​609.93 °F)
क्वथनांक1040 K ​(767 °C, ​1413 °F)
Density (near r.t.)8.65 g/cm3
when liquid (at m.p.)7.996 g/cm3
संलयन की गर्मी6.21 kJ/mol
Heat of vaporization99.87 kJ/mol
दाढ़ गर्मी क्षमता26.020 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 530 583 654 745 867 1040
परमाणु गुण
ऑक्सीकरण राज्य−2, +1, +2 (a mildly basic oxide)
इलेक्ट्रोनगेटिविटीPauling scale: 1.69
Ionization energies
  • 1st: 867.8 kJ/mol
  • 2nd: 1631.4 kJ/mol
  • 3rd: 3616 kJ/mol
परमाणु का आधा घेराempirical: 151 pm
सहसंयोजक त्रिज्या144±9 pm
[वैन डेर वाल्स रेडियस]]158 pm
Spectral lines of cadmium
अन्य गुण
प्राकृतिक घटनाprimordial
क्रिस्टल की संरचनाhexagonal close-packed (hcp)
Speed of sound thin rod2310 m/s (at 20 °C)
थर्मल विस्तार30.8 µm/(m⋅K) (at 25 °C)
ऊष्मीय चालकता96.6 W/(m⋅K)
विद्युत प्रतिरोधकता72.7 nΩ⋅m (at 22 °C)
चुंबकीय आदेशdiamagnetic[2]
दाढ़ चुंबकीय संवेदनशीलता−19.8×10−6 cm3/mol[3]
यंग मापांक50 GPa
कतरनी मापांक19 GPa
थोक मापांक42 GPa
पॉइसन अनुपात0.30
मोहन कठोरता2.0
ब्रिनेल हार्डनेस203–220 MPa
CAS नंबर7440-43-9
History
खोज और पहला अलगावKarl Samuel Leberecht Hermann and Friedrich Stromeyer (1817)
Named byFriedrich Stromeyer (1817)
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct
Category Category: Cadmium
| references
  Data sets read by {{Infobox element}}
Name and identifiers
Top image (caption, alt)
Pronunciation
Allotropes (demo)
Group (demo)
Period (demo)
Block (demo)
Standard atomic weight
  most stable isotope
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Wikidata *
Symbol etymology (11 non-trivial)
* Not used in {{Infobox element}} (2021-12-24)
See also Category:Infobox element data sets (0)

References

  1. "Standard Atomic Weights: Cadmium". CIAAW. 2013.
  2. Lide, D. R., ed. (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.
  3. Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.

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