ଛାଞ୍ଚ:Infobox Terbium

ଉଇକିପିଡ଼ିଆ ରୁ
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Terbium,  65Tb
Terbium-2.jpg
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକterbium, Tb
Appearancesilvery white
ଉଚ୍ଚାରଣ /ˈtɜrbiəm/ TUR-bee-əm
Terbium 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)
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Tb

Bk
gadoliniumterbiumdysprosium
ପରମାଣୁ କ୍ରମାଙ୍କ (Z)65
ଶ୍ରେଣୀ, ବ୍ଳକgroup n/a, f-block
ପର୍ଯ୍ୟାୟperiod 6
ମୌଳିକ ପ୍ରକାର  lanthanide
ମାନକ ପରମାଣବିକ ଓଜନ (Ar)158.92535
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ[Xe] 4f9 6s2
per shell
2, 8, 18, 27, 8, 2
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥାsolid
ଗଳନାଙ୍କ1629 K ​(1356 °C, ​2473 °F)
ସ୍ଫୁଟନାଙ୍କ3503 K ​(3230 °C, ​5846 °F)
Density near r.t.8.23 g/cm3
when liquid, at m.p.7.65 g/cm3
Heat of fusion10.15 kJ/mol
Heat of 293 kJ/mol
Molar heat capacity28.91 J/(mol·K)
 pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 1789 1979 (2201) (2505) (2913) (3491)
Atomic properties
Oxidation states4, 3, 2, 1
(weakly basic oxide)
ElectronegativityPauling scale: ? 1.2
Atomic radiusempirical: 177 pm
Covalent radius194±5 pm
Miscellanea
Crystal structurehexagonal close-packed (hcp)
Hexagonal close packed crystal structure for terbium
Speed of sound thin rod2620 m/s (at 20 °C)
Thermal expansion(r.t.) (α, poly) 10.3 µm/(m·K)
Thermal conductivity11.1 W/(m·K)
Electrical resistivity(r.t.) (α, poly) 1.150 µ Ω·m
Magnetic orderingparamagnetic at 300 K
Young's modulus(α form) 55.7 GPa
Shear modulus(α form) 22.1 GPa
Bulk modulus(α form) 38.7 GPa
Poisson ratio(α form) 0.261
Vickers hardness863 MPa
Brinell hardness677 MPa
CAS Number7440-27-9
ଇତିହାସ
ଆବିଷ୍କାରCarl Gustaf Mosander (1842)
First isolationCarl Gustaf Mosander (1842)
Most stable isotopes of terbium
iso NA half-life DM DE (MeV) DP
157Tb syn 71 y ε 0.060 157Gd
158Tb syn 180 y ε 1.220 158Gd
β 0.937 158Dy
159Tb 100% 159Tb is stable with 94 neutrons
| references

References