Palladium

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Palladium,  46Pd
ngoi-kôn
silvery white
Kî-pún sin-sit
Miàng, fù-ho palladium, Pd
ngoi-hìn silvery white
Palladium chhai chû-khì-péu ke vi-chi
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Actinium (actinium-hi)
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Uranium (actinium-hi)
Neptunium (actinium-hi)
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Americium (actinium-hi)
Curium (actinium-hi)
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Tennessine (unknown chemical properties)
Oganesson (unknown chemical properties)
Ni

Pd

Pt
rhodiumpalladiumngiùn
ngièn-chṳ́ sì-sú 46
ngièn-chṳ́-liòng (±) 106.42(1)[1]
ngièn-su lui-phe̍t   ko-thu kîm-su̍k
Chhu̍k, fûn-khî 10 chhu̍k, d-block
chû-khì period 5
thien-chṳ́ phài-lie̍t [Kr] 4d10
per shell 2, 8, 18, 18
vu̍t-lî sin-chṳt
Siông ku-thí
yùng-tiám 1828.05 K ​(1554.9 °C, ​2830.82 °F)
pui-tiám 3236 K ​(2963 °C, ​5365 °F)
Me̍t-thu near Sit-vûn 12.023 g·cm−3
10.38 g·cm−3
Yùng-fa-ngie̍t 16.74 kJ·mol−1
Chîn-fat-ngie̍t 358 kJ·mol−1
Ngie̍t-yùng-liong 25.98 J·mol−1·K−1
chîn-hi-ap
P (Pa) 1 10 100 1 k 10 k 100 k
chhai T (K) 1721 1897 2117 2395 2753 3234
Ngièn-chṳ́ sin-chṳt
Yông-fa-su 0, +1, +2, +3, +4, +5, +6 ​(a mildly basic oxide)
Thien-fu-sin Pauling scale: 2.20
Thien-lì-nèn 1st: 804.4 kJ·mol−1
2nd: 1870 kJ·mol−1
3rd: 3177 kJ·mol−1
Ngièn-chṳ́ pan-kang empirical: 137 pm
Khiung-ka pan-kang 139±6 pm
Van der Waals pan-kang 163 pm
Miscellanea
Chîn-thí keu-chhoface-centered cubic (fcc)
Face-centered cubic crystal structure for palladium
Sâng-suk thin rod 3070 m·s−1 (at 20 °C)
Ngie̍t-phàng-chong 11.8 µm·m−1·K−1 (at 25 °C)
Ngie̍t-chhòn-thô-li̍t 71.8 W·m−1·K−1
Thien-chú-li̍t 105.4 nΩ·m (at 20 °C)
Chhṳ̀-sin paramagnetic[2]
Young's modulus 121 GPa
Shear modulus 44 GPa
Bulk modulus 180 GPa
Poisson ratio 0.39
Mohs hardness 4.75
Vickers hardness 400–600 MPa
Brinell hardness 320–610 MPa
CAS Registry Number 7440-05-3
Le̍k-sú
Hí-miàng after asteroid Pallas, itself named after Pallas Athena
Hoat-kiàn kap siōng chá ê tông-ūi-sò͘ William Hyde Wollaston (1803)
Chui vún-thin ke thùng-vi-su
Chú vùn-chông: palladium ke thùng-vi-su
iso NA half-life DM DE (MeV) DP

模板:Infobox element/isotopes decay2

102Pd 1.02% (β+β+) 1.1720 102Ru
103Pd syn 16.991 d ε 103Rh
104Pd 11.14% (SF) <18.969
105Pd 22.33% (SF) <18.247
106Pd 27.33% (SF) <16.806
107Pd trace 6.5×106 y β 0.033 107Ag
108Pd 26.46% (SF) <16.102
110Pd 11.72% >6×1017 y ββ 1.9997 110Cd
Decay modes in parentheses are predicted, but have not yet been observed

Palladium he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Pd, ngièn-chṳ́ su-muk he 46.

  1. Standard Atomic Weights 2013. Commission on Isotopic Abundances and Atomic Weights
  2. Lide, D. R., pian. (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (86th pán.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.