ଡାଇସ୍ପ୍ରୋସିଅମ

ଉଇକିପିଡ଼ିଆ ରୁ
ସିଧାସଳଖ ଯିବେ ଦିଗବାରେଣିକୁ, ଖୋଜିବେ
Dysprosium,  66Dy
Dy chips.jpg
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକ dysprosium, Dy
Appearance silvery 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, ବ୍ଳକ group n/a, f-block
ପର୍ଯ୍ୟାୟ period 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
ଅବସ୍ଥା solid
ଗଳନାଙ୍କ 1680 K ​(1407 °C, ​2565 °F)
ସ୍ଫୁଟନାଙ୍କ 2840 K ​(2562 °C, ​4653 °F)
Density near r.t. 8.540 g/cm3
when liquid, at m.p. 8.37 g/cm3
Heat of fusion 11.06 kJ/mol
Heat of 280 kJ/mol
Molar heat capacity 27.7 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 states

3, 2, 1

(weakly basic oxide)
Electronegativity Pauling scale: 1.22
Atomic radius empirical: 178 pm
Covalent radius 192±7 pm
Miscellanea
Crystal structure hexagonal close-packed (hcp)
Hexagonal close packed crystal structure for dysprosium
Speed of sound thin rod 2710 m/s (at 20 °C)
Thermal expansion (r.t.) (α, poly) 9.9 µm/(m·K)
Thermal conductivity 10.7 W/(m·K)
Electrical resistivity (r.t.) (α, poly) 926 n Ω·m
Magnetic ordering paramagnetic 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 hardness 540 MPa
Brinell hardness 500 MPa
CAS Number 7429-91-6
ଇତିହାସ
ଆବିଷ୍କାର Lecoq 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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