Chemical Elements.com - Palladium (Pd)

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Basic Information

Name: Palladium
Symbol: Pd
Atomic Number: 46
Atomic Mass: 106.42 amu
Melting Point: 1552.0 °C (1825.15 K, 2825.6 °F)
Boiling Point: 2927.0 °C (3200.15 K, 5300.6 °F)
Number of Protons/Electrons: 46
Number of Neutrons: 60
Classification: Transition Metal
Crystal Structure: Cubic
Density @ 293 K: 12.02 g/cm³
Color: white

Atomic Structure

Number of Energy Levels: 5

First Energy Level:

Second Energy Level:

Third Energy Level:

Fourth Energy Level:

Fifth Energy Level:

Isotopes

Isotope	Half Life
Pd-102	Stable
Pd-103	16.99 days
Pd-104	Stable
Pd-105	Stable
Pd-106	Stable
Pd-107	6500000.0 years
Pd-108	Stable
Pd-109	13.5 hours
Pd-110	Stable

Facts

Date of Discovery: 1803
Discoverer: William Wollaston
Name Origin: From the Greek goddess of wisdom (Pallas) and after an asteroid
Uses: jewelry, medical instruments
Obtained From: platinum, nickel, copper, mercury ores

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