ପାରଦ

Mercury, ₈₀Hg
	Spectral lines of mercury (UV not seen)
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକ	mercury, Hg
Appearance	silvery
ଉଚ୍ଚାରଣ	/ˈmɜːrkjəri/ MER-kyə-ree; ; /ˈkwɪksɪlvər/; ; /haɪˈdrɑːrdʒ[invalid input: 'ɨ']rəm/ hy-DRAR-ji-rəm
Mercury in the periodic table
	gold ← mercury → thallium
ପରମାଣୁ କ୍ରମାଙ୍କ (Z)	80
ଶ୍ରେଣୀ, ବ୍ଳକ	group 12, d-block
ପର୍ଯ୍ୟାୟ	period 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
ଅବସ୍ଥା	liquid
ଗଳନାଙ୍କ	234.3210 K (−38.8290 °C, ; −37.8922 °F)
ସ୍ଫୁଟନାଙ୍କ	629.88 K (356.73 °C, 674.11 °F)
Density near r.t.	13.534 g/cm3
Triple point	234.3156 K, 1.65×10−7 kPa
Critical point	1750 K, 172.00 MPa
Heat of fusion	2.29 kJ/mol
Heat of	59.11 kJ/mol
Molar heat capacity	27.983 J/(mol·K)
Atomic properties
Oxidation states	4, 2 (mercuric), 1 (mercurous); (mildly basic oxide)
Electronegativity	Pauling scale: 2.00
Atomic radius	empirical: 151 pm
Covalent radius	132±5 pm
Van der Waals radius	155 pm
Miscellanea
Crystal structure	rhombohedral
Speed of sound	(liquid, 20 °C) 1451.4 m/s
Thermal expansion	60.4 µm/(m·K) (at 25 °C)
Thermal conductivity	8.30 W/(m·K)
Electrical resistivity	(25 °C) 961n Ω·m
Magnetic ordering	diamagnetic
CAS Number	7439-97-6
ଇତିହାସ
ଆବିଷ୍କାର	Ancient Chinese and Indians (before 2000 BC)
Most stable isotopes of mercury
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ପାରଦ (English: Mercury; ମର୍କ୍ୟୁରୀ) ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Hg ଓ ପରମାଣୁ କ୍ରମାଙ୍କ ୮୦ । ଏହାକୁ ବହୁତ ଲୋକ quicksilver ଭାବେ ଜାଣନ୍ତି^[୨] ଏବଂ ଆଗରୁ ଏହାର ନାମ hydrargyrum ଥିଲା (ଗ୍ରୀକ: ["hydr-"ମାନେ ଜଳ ଏବଂ "argyros"ମାନେ ରୂପା/ସିଲ୍‌ଭର୍] Error: {{Lang}}: text has italic markup (help)ରୁ ଅସିଛି)

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↑ "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.
↑ "quicksilver definition". Dictionary.com Unabridged (v 1.1). Retrieved 13 October 2008.

ବାହାର ଲିଙ୍କ ସମ୍ପାଦନା

Chemistry in its element podcast (MP3) from the Royal Society of Chemistry's Chemistry World: Mercury
Mercury at The Periodic Table of Videos (University of Nottingham)
ATSDR – ToxFAQs: Mercury Archived 1999-10-06 at the Wayback Machine.
Centers for Disease Control and Prevention – Mercury Topic
EPA fish consumption guidelines
Global Mercury Assessment report 2002 by the UNEP.
Global Mercury Project Archived 2012-08-01 at the Wayback Machine.
Hg 80 Mercury
Material Safety Data Sheet – Mercury
Mercury Contamination in fish and Source Control, Oceana Archived 2012-12-04 at Archive.is
Natural Resources Defense Council (NRDC): Mercury Contamination in Fish guide – NRDC
NLM Hazardous Substances Databank – Mercury
BBC – Earth News – Mercury 'turns' wetland birds such as ibises homosexual

[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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