User:Femto/Elementbox legend and prototype

79 platinum ← gold → mercury Ag ↑ Au ↓ Rg File:Au-TableImage.png periodic table
General
Name, Symbol, Number	gold, Au, 79
Chemical series	transition metals
Group, Period, Block	11, 6, d
Appearance	metallic yellow File:Au,79.jpg
CAS registry number	7440-57-5
Atomic properties
Atomic mass	196.96655(2) g/mol
Electron configuration	[Xe] 4f14 5d10 6s1
Electrons per shell	2, 8, 18, 32, 18, 1
Crystal structure	cubic face centered
Oxidation states	3, 1 (amphoteric)
Electronegativity	2.54 (Pauling scale)
Atomic radius	135 pm
Atomic radius (calc.)	174 pm
Covalent radius	144 pm
Van der Waals radius	166 pm
Physical properties
Phase	solid
Density (near r.t.)	19.3 g/cm³
Liquid density at m.p.	17.31 g/cm³
Melting point	1337.33 K (1064.18 °C, 1947.52 °F)
Boiling point	3129 K (2856 °C, 5173 °F)
Heat of fusion	12.55 kJ/mol
Heat of vaporization	324 kJ/mol
Heat capacity	(25 °C) 25.418 J/(mol·K)
Thermal conductivity	(300 K) 318 W/(m·K)
Vapor pressure P/Pa 1 10 100 1 k 10 k 100 k at T/K 1646 1814 2021 2281 2620 3078
Material properties
Young's modulus	78 GPa
Bulk modulus	220 GPa
Shear modulus	27 GPa
Poisson ratio	0.44
Mohs hardness	2.5
Vickers hardness	216 MPa
Brinell hardness	2450 MPa
Thermal expansion	(25 °C) 14.2 µm/(m·K)
Speed of sound (thin rod)	(r.t.) (hard-drawn) 2030 m/s
Magnetic ordering	diamagnetic
Electrical resistivity	(20 °C) 22.14 nΩm
Miscellaneous
Ionization energies	1st: 890.1 kJ/mol
	2nd: 1980 kJ/mol
Notable isotopes
Main article: Isotopes of gold iso NA half-life DM DE (MeV) DP 195Au syn 186.10 d ε 0.227 195Pt 196Au syn 6.183 d ε 1.506 196Pt 196Au syn 6.183 d β 0.686 196Hg 197Au 100 % Au is stable with 118 neutrons 198Au syn 2.69517 d β- 1.372 198Hg 199Au syn 3.169 d β- 0.453 199Hg
References

(*) links to the currently used userpage templates

• Template:Tl (*) opens the table; generates TableImage link and navigational stuff; first heading "General"; name, symbol, number

---

• Template:Tl (*) simple key/content
• Template:Tl (*) three parameters; generates links group_X_element, period_X_element, and X_block
• Template:Tl (*) simple key/content
• Template:Tl (*) includes standard link image (omit space after image name)
• Template:Tl (*) simple key/content

---

• Template:Tl (*) heading with color parameters
• Template:Tl (*) includes unit gram per mole
• Template:Tl (*) simple key/content
• Template:Tl (*) simple key/content
• Template:Tl (*) simple key/content
• Template:Tl (*) simple key/content
• Template:Tl (*) includes pauling scale
• Template:Tl (*) includes unit picometre
• Template:Tl (*) includes units picometre; condition "calculated"
• Template:Tl (*) includes unit picometre
• Template:Tl (*) includes unit picometre

---

• Template:Tl (*) heading with color parameters
• Template:Tl (*) simple key/content
• Template:Tl (*) includes unit gram per cubic centimetre; condition near room temperature
• Template:Tl (*) includes unit gram per cubic centimetre; condition liquid at melting point
• Template:Tl (*) three parameters; includes units kelvin, celsius/fahrenheit degrees
• Template:Tl (*) three parameters; includes units kelvin, celsius/fahrenheit degrees
• Template:Tl (*) includes unit kilojoule per mole
• Template:Tl (*) includes unit kilojoule per mole
• Template:Tl (*) includes unit joule per mole kelvin; condition at 25 °C
• Template:Tl (*) includes unit watt per metre kelvin; condition at 300 K
• Template:Tl (*) embedded sub-table; six parameters plus a comment

---

• Template:Tl (*) heading with color parameters
• Template:Tl (*) includes unit gigapascal
• Template:Tl (*) includes unit gigapascal
• Template:Tl (*) includes unit gigapascal
• Template:Tl (*) simple key/content
• Template:Tl (*) simple key/content
• Template:Tl (*) includes unit megapascal
• Template:Tl (*) includes unit megapascal
• Template:Tl (*) includes unit micrometre per metre kelvin
• Template:Tl (*) includes unit micrometre per metre kelvin; condition at 25 °C
• Template:Tl (*) includes unit metre per second
• Template:Tl (*) includes unit metre per second; condition in thin rod at 20 °C
• Template:Tl (*) includes unit metre per second; condition in thin rod at room temp
• Template:Tl (*) simple key/content
• Template:Tl (*) includes unit ohm metre (omit space to include prefix)
• Template:Tl (*) includes unit ohm metre (omit space to include prefix); condition at 0 °C
• Template:Tl (*) includes unit ohm metre (omit space to include prefix); condition at 20 °C

---

• Template:Tl (*) heading with color parameters
• Template:Tl (*) one row and parameter; includes unit kilojoule per mole
• Template:Tl (*) two rows and parameters; includes units kilojoule per mole
• Template:Tl (*) three rows and parameters; includes units kilojoule per mole
• Template:Tl (*) three rows and parameters plus a more link; includes units kilojoule per mole

---

• Template:Tl (*) opens isotopes sub-table; includes heading
• Template:Tl (*) decaying entry row; parameters halflife, energy, etc.
• Template:Tl (*) stable entry row; X is stable with Y neutrons
• Template:Tl (*) closes isotope table

---

• Template:Tl (*) bottom line; closes the table