ଡାଇସ୍ପ୍ରୋସିଅମ

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Dysprosium,  66Dy
Dy chips.jpg
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକdysprosium, Dy
Appearancesilvery white
ଉଚ୍ଚାରଣ /dɪsˈprziəm/
dis-PROH-zee-əm
Dysprosium 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)
-

Dy

Cf
terbiumdysprosiumholmium
ପରମାଣୁ କ୍ରମାଙ୍କ (Z)66
ଶ୍ରେଣୀ, ବ୍ଳକgroup n/a, f-block
ପର୍ଯ୍ୟାୟperiod 6
ମୌଳିକ ପ୍ରକାର  lanthanide
ମାନକ ପରମାଣବିକ ଓଜନ (Ar)162.500
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ[Xe] 4f10 6s2
per shell
2, 8, 18, 28, 8, 2
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥାsolid
ଗଳନାଙ୍କ1680 K ​(1407 °C, ​2565 °F)
ସ୍ଫୁଟନାଙ୍କ2840 K ​(2562 °C, ​4653 °F)
Density near r.t.8.540 g/cm3
when liquid, at m.p.8.37 g/cm3
Heat of fusion11.06 kJ/mol
Heat of 280 kJ/mol
Molar heat capacity27.7 J/(mol·K)
 pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 1378 1523 (1704) (1954) (2304) (2831)
Atomic properties
Oxidation states3, 2, 1
(weakly basic oxide)
ElectronegativityPauling scale: 1.22
Atomic radiusempirical: 178 pm
Covalent radius192±7 pm
Miscellanea
Crystal structurehexagonal close-packed (hcp)
Hexagonal close packed crystal structure for dysprosium
Speed of sound thin rod2710 m/s (at 20 °C)
Thermal expansion(r.t.) (α, poly) 9.9 µm/(m·K)
Thermal conductivity10.7 W/(m·K)
Electrical resistivity(r.t.) (α, poly) 926 n Ω·m
Magnetic orderingparamagnetic at 300 K
Young's modulus(α form) 61.4 GPa
Shear modulus(α form) 24.7 GPa
Bulk modulus(α form) 40.5 GPa
Poisson ratio(α form) 0.247
Vickers hardness540 MPa
Brinell hardness500 MPa
CAS Number7429-91-6
ଇତିହାସ
ଆବିଷ୍କାରLecoq de Boisbaudran (1886)
Most stable isotopes of dysprosium
iso NA half-life DM DE (MeV) DP
154Dy syn 3.0×106 y α 2.947 150Gd
156Dy 0.06% >1×1018 y α 2.0108 152Gd
β+β+ 1.7579 156Gd
158Dy 0.10% 158Dy is stable with 92 neutrons
160Dy 2.34% 160Dy is stable with 94 neutrons
161Dy 18.91% 161Dy is stable with 95 neutrons
162Dy 25.51% 162Dy is stable with 96 neutrons
163Dy 24.90% 163Dy is stable with 97 neutrons
164Dy 28.18% 164Dy is stable with 98 neutrons
| references

ଡାଇସ୍ପ୍ରୋସିଅମ ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Dyପରମାଣୁ କ୍ରମାଙ୍କ ୬୬ ଅଟେ ।

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