ଛାଞ୍ଚ:Infobox gold

Gold, ₇₉Au
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକ	gold, Au
Appearance	metallic yellow
ଉଚ୍ଚାରଣ	/ˈɡoʊld/
Gold in the periodic table
	platinum ← gold → mercury
ପରମାଣୁ କ୍ରମାଙ୍କ (Z)	79
ଶ୍ରେଣୀ, ବ୍ଳକ	group 11, d-block
ପର୍ଯ୍ୟାୟ	period 6
ମୌଳିକ ପ୍ରକାର	transition metal
ମାନକ ପରମାଣବିକ ଓଜନ (±) (Ar)	196.966569(4)
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ	[Xe] 4f14 5d10 6s1
per shell	2, 8, 18, 32, 18, 1
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥା	solid
ଗଳନାଙ୍କ	1337.33 K (1064.18 °C, 1947.52 °F)
ସ୍ଫୁଟନାଙ୍କ	3129 K (2856 °C, 5173 °F)
Density near r.t.	19.30 g/cm3
when liquid, at m.p.	17.31 g/cm3
Heat of fusion	12.55 kJ/mol
Heat of	324 kJ/mol
Molar heat capacity	25.418 J/(mol·K)
Atomic properties
Oxidation states	5, 4, 3, 2, 1, −1, −2; (amphoteric oxide)
Electronegativity	Pauling scale: 2.54
Atomic radius	empirical: 144 pm
Covalent radius	136±6 pm
Van der Waals radius	166 pm
Miscellanea
Crystal structure	lattice face centered cubic Lattice face centered cubic crystal structure for gold
Speed of sound thin rod	2030 m/s (at r.t.)
Thermal expansion	14.2 µm/(m·K) (at 25 °C)
Thermal conductivity	318 W/(m·K)
Electrical resistivity	22.14 n Ω·m (at 20 °C)
Magnetic ordering	diamagnetic
Young's modulus	79 GPa
Shear modulus	27 GPa
Bulk modulus	180 GPa
Poisson ratio	0.44
Mohs hardness	2.5
Vickers hardness	216 MPa
Brinell hardness	25 HB MPa
CAS Number	7440-57-5
ଇତିହାସ
ଆବିଷ୍କାର	Middle Easterns (before 6000 BC)
Most stable isotopes of gold
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References

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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.

[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.

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