Template:Infobox antimony

{{Infobox element

|engvar ={{{engvar|}}}

|name =antimony

|symbol =Sb

|Z =51

|number =51

|abundance=

|abundance in earth's crust=

|abundance in oceans=

|abundance in solar system=

|left=tin

|right=tellurium

|above=As

|below=Bi

|appearance=silvery lustrous gray

|image name=Antimony-4.jpg

|electrons per shell=2, 8, 18, 18, 5

|phase=

|phase comment=

|density=6.694 g/cm³

|density conditions=(at 20° C)

|density gpcm3nrt=

|density gpcm3mp=6.53

|melting point K=903.78

|melting point C=630.63

|melting point F=1167.13

|boiling point K=1908

|boiling point C=1635

|boiling point F=2975

|triple point K=

|triple point kPa=

|critical point K=

|critical point MPa=

|heat fusion=19.79

|heat vaporization=193.43

|heat capacity=25.23

|vapor pressure 1=807

|vapor pressure 10=876

|vapor pressure 100=1011

|vapor pressure 1 k=1219

|vapor pressure 10 k=1491

|vapor pressure 100 k=1858

|vapor pressure comment=

|crystal structure=rhombohedral

|crystal structure Pearson symbol=hR2

|lattice constants=a = 0.45066 nm
α = 57.112°
a_h = 0.43084 nm
c_h = 1.12736 nm (at 20 °C){{cite book |last=Arblaster |first= John W. |title=Selected Values of the Crystallographic Properties of Elements |publisher=ASM International |publication-place=Materials Park, Ohio |date=2018 |isbn=978-1-62708-155-9}}

|electronegativity=2.05

|number of ionization energies=4

|ionization energy 1=834

|ionization energy 2=1594.9

|ionization energy 3=2440

|atomic radius=140

|covalent radius=139±5

|Van der Waals radius=206

|magnetic ordering=diamagnetic

|magnetic ordering ref={{cite book |url=https://web.archive.org/web/20110303222309/http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf|chapter=Magnetic susceptibility of the elements and inorganic compounds| editor = Lide, D. R. | title = CRC Handbook of Chemistry and Physics | edition = 86th | location = Boca Raton (FL) | publisher = CRC Press | year = 2005 | isbn = 0-8493-0486-5 }}

|electrical resistivity=

|electrical resistivity unit prefix=n

|electrical resistivity at 20=417

|thermal conductivity=24.4

|thermal conductivity 2=

|thermal diffusivity=

|thermal expansion=

|thermal expansion comment={{val|11.04|e=−6}}/K (at 20 °C){{efn|text=The thermal expansion is anisotropic: the parameters (at 20 °C) for each crystal axis are α_ah = {{val|8.24|e=−6}}/K, α_ch = {{val|16.62|e=−6}}/K, and α_average = α_V/3 = {{val|11.04|e=−6}}/K.}}

|thermal expansion at 25=

|speed of sound=

|speed of sound rod at 20=3420

|speed of sound rod at r.t.=

|magnetic susceptibility={{val|−99.0|e=-6}}

|magnetic susceptibility ref={{Cite book|title=CRC, Handbook of Chemistry and Physics|last=Weast|first=Robert|publisher=Chemical Rubber Company Publishing|year=1984|isbn=0-8493-0464-4|location=Boca Raton, Florida|pages=E110}}

|Young's modulus=55

|Shear modulus=20

|Bulk modulus=42

|Poisson ratio=

|Mohs hardness=3.0

|Vickers hardness=

|Brinell hardness=294–384

|CAS number=7440-36-0

|naming=Uncertain. Possibly from Greek anti ("not") + monos ("alone"), for not occurring alone in nature

|discovered by=Arabic alchemists

|discovery date=before AD 815

|QID=Q1099

}}

{{Infobox element/element navigation|symbol=Sb}}