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Platinum
(Pt)
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1
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2
8
18
32
17
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Pt
Category
Transition metal
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Relative atomic mass
195.09
Density
21.37
Melting point (°C)
1768
Boiling point (°C)
3825
Electronegativity (Pauling)
2.2
Discovery year
1803
Discovered by
Antonio de Ulloa
Electrons: 78
Protons: 78
Neutrons: 117
Wikipedia
created by @lukaswyss
Platinum (Pt) – Element 78
