ମୁଖ୍ୟ ସୂଚୀ ଦେଖିବେ

ପାରଦ (ଇଂରାଜୀ: Mercury; ମର୍କ୍ୟୁରୀ) ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Hgପରମାଣୁ କ୍ରମାଙ୍କ ୮୦ ଅଟେ । ଏହାକୁ ବହୁତ ଲୋକ quicksilver ଭାବେ ଜାଣନ୍ତି[୨] ଏବଂ ଆଗରୁ ଏହାର ନାମ hydrargyrum ଥିଲା (ଗ୍ରୀକ: "hydr-"ମାନେ ଜଳ ଏବଂ "argyros"ମାନେ ରୂପା/ସିଲ୍‌ଭର୍ରୁ ଅସିଛି)

Mercury,  80Hg
Pouring liquid mercury bionerd.jpg
Mercury Spectra.jpg
Spectral lines of mercury (UV not seen)
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକmercury, Hg
Appearancesilvery
ଉଚ୍ଚାରଣ /ˈmɜrkjəri/ MER-kyə-ree;
/ˈkwɪksɪlvər/;
/hˈdrɑrɪrəm/ hy-DRAR-ji-rəm
Mercury 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)
Cd

Hg

Cn
goldmercurythallium
ପରମାଣୁ କ୍ରମାଙ୍କ (Z)80
ଶ୍ରେଣୀ, ବ୍ଳକgroup 12, d-block
ପର୍ଯ୍ୟାୟperiod 6
ମୌଳିକ ପ୍ରକାର  transition metal
ମାନକ ପରମାଣବିକ ଓଜନ (±) (Ar)200.59(2)
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ[Xe] 4f14 5d10 6s2
per shell
2, 8, 18, 32, 18, 2
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥାliquid
ଗଳନାଙ୍କ234.3210 K ​(−38.8290 °C, ​
−37.8922 °F)
ସ୍ଫୁଟନାଙ୍କ629.88 K ​(356.73 °C, ​674.11 °F)
Density near r.t.13.534 g/cm3
Triple point234.3156 K, ​1.65×10−7 kPa
Critical point1750 K, 172.00 MPa
Heat of fusion2.29 kJ/mol
Heat of 59.11 kJ/mol
Molar heat capacity27.983 J/(mol·K)
 pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 315 350 393 449 523 629
Atomic properties
Oxidation states4, 2 (mercuric), 1 (mercurous)
(mildly basic oxide)
ElectronegativityPauling scale: 2.00
Atomic radiusempirical: 151 pm
Covalent radius132±5 pm
Van der Waals radius155 pm
Miscellanea
Crystal structurerhombohedral
Rhombohedral crystal structure for mercury
Speed of sound(liquid, 20 °C) 1451.4 m/s
Thermal expansion60.4 µm/(m·K) (at 25 °C)
Thermal conductivity8.30 W/(m·K)
Electrical resistivity(25 °C) 961n Ω·m
Magnetic orderingdiamagnetic[୧]
CAS Number7439-97-6
ଇତିହାସ
ଆବିଷ୍କାରAncient Chinese and Indians (before 2000 BC)
Most stable isotopes of mercury
iso NA half-life DM DE (MeV) DP
194Hg syn 444 y ε 0.040 194Au
195Hg syn 9.9 h ε 1.510 195Au
196Hg 0.15% >2.5×1018 y α 2.0273 192Pt
β+β+ 0.8197 196Pt
197Hg syn 64.14 h ε 0.600 197Au
198Hg 9.97% 198Hg is stable with 118 neutrons
199Hg 16.87% 199Hg is stable with 119 neutrons
200Hg 23.1% 200Hg is stable with 120 neutrons
201Hg 13.18% 201Hg is stable with 121 neutrons
202Hg 29.86% 202Hg is stable with 122 neutrons
203Hg syn 46.612 d β 0.492 203Tl
204Hg 6.87% 204Hg is stable with 124 neutrons
| references

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ଆଧାରସମ୍ପାଦନ କରନ୍ତୁ

  1. "Magnetic susceptibility of the elements and inorganic compounds" in Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.
  2. "quicksilver definition". Dictionary.com Unabridged (v 1.1). Retrieved 13 October 2008.

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