ସିଜିଅମ

ଉଇକିପିଡ଼ିଆ ରୁ
ସିଧାସଳଖ ଯିବେ ଦିଗବାରେଣିକୁ, ଖୋଜିବେ
Caesium,  55Cs
Some silvery-gold metal, with a liquid-like texture and lustre, sealed in a glass ampoule
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକ caesium, Cs
Appearance silvery gold
ଉଚ୍ଚାରଣ /ˈsziəm/ see-zee-əm
Caesium in the periodic table
Hydrogen (other non-metal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (other non-metal)
Nitrogen (other non-metal)
Oxygen (other non-metal)
Fluorine (halogen)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (other non-metal)
Sulfur (other non-metal)
Chlorine (halogen)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline earth metal)
Scandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Chromium (transition metal)
Manganese (transition metal)
Iron (transition metal)
Cobalt (transition metal)
Nickel (transition metal)
Copper (transition metal)
Zinc (transition metal)
Gallium (post-transition metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (other non-metal)
Bromine (halogen)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline earth metal)
Yttrium (transition metal)
Zirconium (transition metal)
Niobium (transition metal)
Molybdenum (transition metal)
Technetium (transition metal)
Ruthenium (transition metal)
Rhodium (transition metal)
Palladium (transition metal)
Silver (transition metal)
Cadmium (transition metal)
Indium (post-transition metal)
Tin (post-transition metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (halogen)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanoid)
Cerium (lanthanoid)
Praseodymium (lanthanoid)
Neodymium (lanthanoid)
Promethium (lanthanoid)
Samarium (lanthanoid)
Europium (lanthanoid)
Gadolinium (lanthanoid)
Terbium (lanthanoid)
Dysprosium (lanthanoid)
Holmium (lanthanoid)
Erbium (lanthanoid)
Thulium (lanthanoid)
Ytterbium (lanthanoid)
Lutetium (lanthanoid)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Rhenium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Gold (transition metal)
Mercury (transition metal)
Thallium (post-transition metal)
Lead (post-transition metal)
Bismuth (post-transition metal)
Polonium (post-transition metal)
Astatine (halogen)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinoid)
Thorium (actinoid)
Protactinium (actinoid)
Uranium (actinoid)
Neptunium (actinoid)
Plutonium (actinoid)
Americium (actinoid)
Curium (actinoid)
Berkelium (actinoid)
Californium (actinoid)
Einsteinium (actinoid)
Fermium (actinoid)
Mendelevium (actinoid)
Nobelium (actinoid)
Lawrencium (actinoid)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Ununtrium (unknown chemical properties)
Flerovium (unknown chemical properties)
Ununpentium (unknown chemical properties)
Livermorium (unknown chemical properties)
Ununseptium (unknown chemical properties)
Ununoctium (unknown chemical properties)
Rb

Cs

Fr
xenoncaesiumbarium
ପରମାଣୁ କ୍ରମାଙ୍କ (Z) 55
ଶ୍ରେଣୀ, ବ୍ଳକ group 1 (alkali metals), s-block
ପର୍ଯ୍ୟାୟ period 6
ମୌଳିକ ପ୍ରକାର   alkali metal
ମାନକ ପରମାଣବିକ ଓଜନ (±) (Ar) 132.9054519(2)
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ [Xe] 6s1
per shell
2, 8, 18, 18, 8, 1
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥା solid
ଗଳନାଙ୍କ 301.59 K ​(28.44 °C, ​83.19 °F)
ସ୍ଫୁଟନାଙ୍କ 944 K ​(671 °C, ​1240 °F)
Density near r.t. 1.93 g/cm3
when liquid, at m.p. 1.843 g/cm3
Critical point 1938 K, 9.4 MPa
Heat of fusion 2.09 kJ/mol
Heat of 63.9 kJ/mol
Molar heat capacity 32.210 J/(mol·K)
 pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 418 469 534 623 750 940
Atomic properties
Oxidation states 1
(strongly basic oxide)
Electronegativity Pauling scale: 0.79
Atomic radius empirical: 265 pm
Covalent radius 244±11 pm
Van der Waals radius 343 pm
Miscellanea
Crystal structure body-centered cubic (bcc)
Body-centered cubic crystal structure for caesium
Thermal expansion 97 µm/(m·K) (at 25 °C)
Thermal conductivity 35.9 W/(m·K)
Electrical resistivity 205 n Ω·m (at 20 °C)
Magnetic ordering paramagnetic[୧]
Young's modulus 1.7 GPa
Bulk modulus 1.6 GPa
Mohs hardness 0.2
Brinell hardness 0.14 MPa
CAS Number 7440-46-2
ଇତିହାସ
ଆବିଷ୍କାର Robert Bunsen and Gustav Kirchhoff (1860)
First isolation Carl Setterberg (1882)
Most stable isotopes of caesium
iso NA half-life DM DE (MeV) DP
133Cs 100% 133Cs is stable with 78 neutrons
134Cs syn 2.0648 y ε 1.229 134Xe
β 2.059 134Ba
135Cs trace 2.3×106 y β 0.269 135Ba
137Cs trace 30.17 y[୨] β 1.174 137Ba
| references

ସିଜିଅମ (ଇଂରାଜୀ: Caesium ବା cesium) ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Csପରମାଣୁ କ୍ରମାଙ୍କ ୫୫ ଅଟେ ।

ଧର୍ମ[ସମ୍ପାଦନା]

ଉପସ୍ଥିତି[ସମ୍ପାଦନା]

ଗଠନ[ସମ୍ପାଦନା]

ଉତ୍ପାଦନ[ସମ୍ପାଦନା]

ସମସ୍ଥାନିକ[ସମ୍ପାଦନା]

ବ୍ୟବହାର[ସମ୍ପାଦନା]

ଆଧାର[ସମ୍ପାଦନା]

  1. "Magnetic susceptibility of the elements and inorganic compounds". Handbook of Chemistry and Physics (PDF) (87th ed.). CRC press. ISBN 0-8493-0487-3. Retrieved 2010-09-26. 
  2. "NIST Radionuclide Half-Life Measurements". NIST. Retrieved 2011-03-13. 

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