Palladium (Pd)

General Properties

Symbol Pd
Atomic Number 46
Atomic Weight 106.42
Group
10 (nickel family)
VIIIA (IUPAC), VIII (CAS)
Solid, Paramagnetic, Conductor, Transition Metal, Metal, Stable, Natural
Period 5
Block d

Physical Properties

Density 12.0 g/cm3
Atomic Volume 8.9 cm3/mole
Atomic Radius 1.37 angstroms
Covalent Radius 131 pm
Crust Abundance 6.3E-7%
Crystal Structure Cubic: Face centered
Color Silver

Energy

Electronegativity 2.2 (Pauling Scale)
Electron Affinity 53.7 kJ/mol
1st Ionization Energy 804 kJ/mol
2nd Ionization Energy 1870 kJ/mol
3rd Ionization Energy 3177 kJ/mol
Specific Heat Capacity 0.244 J g−1 K−1
Thermal Conductivity 71.8 W·m−1·K−1

Electrons & Oxidation

Oxidation States +2,4
Electrons Per Shell 2 8 18 18 0
Electron Configuration [Kr] 4d10
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10
Orbital Diagram
1s
↿⇂
2s
↿⇂
2p
↿⇂
↿⇂
↿⇂
3s
↿⇂
3p
↿⇂
↿⇂
↿⇂
3d
↿⇂
↿⇂
↿⇂
↿⇂
↿⇂
4s
↿⇂
4p
↿⇂
↿⇂
↿⇂
4d
↿⇂
↿⇂
↿⇂
↿⇂
↿⇂
4f
 
 
 
 
 
 
 

Nuclear

Radioactive No

Media

Planetary Bohr Model of Palladium (Pd)
Description
Soft, malleable, ductile, silvery-white metal.
Uses
Used as a substitue for silver in dental items and jewelry. The pure metal is used as the delicate mainsprings in analog wristwatches. Also used in surgical instruments and as catalyst .
Sources
Obtained with platinum, nickel, copper and mercury ores.
Pronounciation (English)
peh-LAY-di-em

Translations

Afrikaans Palladium
Aragonese Paladio
العربية بلاديوم
Armãneashte Paladiumu
asturianu Paladiu
azərbaycan dili Palladium
български Палладий
বাংলা প্যালাডিয়াম
brezhoneg Palladiom
bosanski Paladij[um]
Byelorussian Паладый
Cebuano Paladyo
čeština Palladium
Chuvash Паллади
Cymraeg Palladi
dansk Palladium
Deutsch Palladium
Ελληνικά Παλλαδιο
English Palladium
esperanto Paladio
español Paladio
eesti Pallaadium
euskara Paladioa
فارسی پالادیم
suomi Palladium
føroyskt Palladium
français Palladium
furlan Paladi
West-Frysk Palladium
Gaeilge Pallaidiam
Gàidhlig Pallaidiam
galego Paladio
ગુજરાતી પલેડિયમનો
Gaelg Pallaadjum
Hakka Chinese Pâ (鈀)
עברית פלדיום
हिन्दी पलाडियम
hrvatski Paladij
magyar Palládium
հայերեն Պալադիում
Indonesia Paladium
íslenska Palladín
italiano Palladio
日本語 パラジウム
ქართული პალადიუმი
کٲشُر Pallôd
қазақ тілі Палладий
한국어 팔라듐
Kurdish Paladyûm
Komi Палладий
kernewek Paladyum
кыргызча Палладий
Latin Palladium
Lëtzebuergesch Palladium
Lombard Palàdi
lingála Paladu
lietuvių Paladis
latviešu Pallādijs
Mari Палладий
Maori Palladium
македонски Паладиум
മലയാളം പലേഡിയം
монгол Паллади
Мокшан Палади
Bahasa Melayu Paladium
Malti Palladju[m]
Nahuatl Paladio
Nederlands Palladium
norsk Palladium
Occitan Palladi
ирон Палладий
polski Pallad
português Paládio
Runasimi Paladyu
română Paladiu
русский Палладий
slovenčina Paládium
slovenščina Paladij
Samoan Paladimi
Samogitian Paladis
shqip Palad, ²Palladiumi
српски Паладијум
Southern Sotho Palladiamo
svenska Palladium
Kiswahili Paladi
தமிழ் பல்லேடியம்
Tajik Палладий
ไทย แพลเลเดียม
Türkçe Palladyum
ئۇيغۇرچە پاللادىي
українська Паладій
o‘zbek Paladiy
Tiếng Việt Palađi
Võro Pallaadium
中文

History

Discovered In
1803
Discovered By
William Hyde Wollaston
Discovered At
England
Word Origin
Named after the asteroid "Pallas" which was discovered at about the same time and from the Greek name "Pallas", goddess of wisdom