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Strontium
(Sr)
1
1
2
W
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2
8
18
8
2
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Sr
Category
Alkaline earth
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Relative atomic mass
87.62
Density
2.6
Melting point (°C)
777
Boiling point (°C)
1382
Electronegativity (Pauling)
1
Discovery year
1787
Discovered by
William Cruickshank
Electrons: 38
Protons: 38
Neutrons: 50
Wikipedia
created by @lukaswyss
Strontium (Sr) – Element 38
