Template:Infobox palladium

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[[Category:Template:Pagetype with short description]]

Palladium, 46Pd
Palladium (46 Pd).jpg
Palladium
Pronunciation/pəˈldiəm/ (Template:Respell)
Appearancesilvery white
Standard atomic weight Ar, std(Pd)Template:Val[1]
Palladium in the periodic table
Template:Periodic table (32 columns, micro) Ni

Pd

Pt
rhodiumpalladiumsilver
Atomic number (Z)46
Groupgroup 10
Periodperiod 5
Block  d-block
Electron configuration[Kr] 4d10
Electrons per shell2, 8, 18, 18
Physical properties
Phase at STPsolid
Melting point1828.05 K ​(1554.9 °C, ​2830.82 °F)
Boiling point3236 K ​(2963 °C, ​5365 °F)
Density (near r.t.)12.023 g/cm3
when liquid (at m.p.)10.38 g/cm3
Heat of fusion16.74 kJ/mol
Heat of vaporization358 kJ/mol
Molar heat capacity25.98 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 1721 1897 2117 2395 2753 3234
Atomic properties
Oxidation states0, +1, +2, +3, +4 (a mildly basic oxide)
ElectronegativityPauling scale: 2.20
Ionization energies
  • 1st: 804.4 kJ/mol
  • 2nd: 1870 kJ/mol
  • 3rd: 3177 kJ/mol
Atomic radiusempirical: 137 pm
Covalent radius139±6 pm
Van der Waals radius163 pm
Color lines in a spectral range
Spectral lines of palladium
Other properties
Natural occurrenceprimordial
Crystal structureface-centered cubic (fcc)
Face-centered cubic crystal structure for palladium
Speed of sound thin rod3070 m/s (at 20 °C)
Thermal expansion11.8 µm/(m·K) (at 25 °C)
Thermal conductivity71.8 W/(m·K)
Electrical resistivity105.4 nΩ·m (at 20 °C)
Magnetic orderingparamagnetic[2]
Magnetic susceptibility+567.4·10−6 cm3/mol (288 K)[3]
Young's modulus121 GPa
Shear modulus44 GPa
Bulk modulus180 GPa
Poisson ratio0.39
Mohs hardness4.75
Vickers hardness400–600 MPa
Brinell hardness320–610 MPa
CAS Number7440-05-3
History
Namingafter asteroid Pallas, itself named after Pallas Athena
Discovery and first isolationWilliam Hyde Wollaston (1802)
Main isotopes of palladium
[[Isotope|IsoTemplate:Shytope]] [[Natural abundance|AbunTemplate:Shydance]] Half-life (t1/2) Decay mode [[Decay product|ProTemplate:Shyduct]]
100Pd syn 3.63 d ε 100Rh
γ
102Pd 1.02% stable
103Pd syn 16.991 d ε 103Rh
104Pd 11.14% stable
105Pd 22.33% stable
106Pd 27.33% stable
107Pd trace 6.5×106 y β 107Ag
108Pd 26.46% stable
110Pd 11.72% stable
Category Category: Palladium
| references

[[Category:Infobox templates|Template:Remove first word]]

data m.p. cat
in calc from C diff report ref
C 1554.9
K 1828.05 1828.1 -0.05 delta
F 2830.82 2830.8 0.02 delta Template:Subpage other
max precision 2
WD Template:Wikidata Script error: No such module "EditAtWikidata". Template:Wikidata
input C: 1554.9, K: 1828.05, F: 2830.82
comment
data b.p. cat
in calc from C diff report ref
C 2963
K 3236 3236 0
F 5365 5365 0 Template:Subpage other
max precision 0
WD Template:Wikidata Script error: No such module "EditAtWikidata". Template:Wikidata
input C: 2963, K: 3236, F: 5365
comment
Rh ←

i'box Rh

iso
46
Pd (E)
→ Ag

i'box Ag

  Data sets read by {{Infobox element}}
Name and identifiers
Top image (caption, alt)
Pronunciation
Category (enwiki)
Standard atomic weight
  most stable isotope
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Term symbol * (cmt, ref)
Wikidata *
* Not used in {{Infobox element}} (2019-02-03)
See also {{Infobox element/symbol-to--navbox}}

References

  1. Meija, Juris; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305.
  2. Lide, D. R., ed. (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.
  3. Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.

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