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Praseodymium
(Pr)
1
2
1
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2
8
18
21
8
2
Animation
Pr
Category
Lanthanoid
Series
lanthanide
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Relative atomic mass
140.91
Density
Melting point (°C)
Boiling point (°C)
Electronegativity (Pauling)
—
Discovery year
1885
Discovered by
Carl Auer von Welsbach
Electrons: 59
Protons: 59
Neutrons: 82
Wikipedia
created by @lukaswyss
Praseodymium (Pr) – Element 59
