The periodic table/Francium
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Subject classification: this is a chemistry resource. |
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Completion status: this resource is just getting off the ground. Please feel welcome to help! |
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Educational level: this is a research resource. |
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Type classification: this is an article resource. |
Discovery edit
Francium was discovered by Marguerite Derey of the Curie Institute in Paris in 1939.
Quick Facts edit
Name: francium atom Symbol: Fr Atomic Mass: 223 amu Classification: group 1 (alkali metal) |
Protons: 87 Electrons: 87 Neutrons: 136 Colour: unknown Discovered in: 1939 |
Density: 1.87 g/cm3 Crystal Structure: cubic Melting Point: 27 °C (300 K) Boiling Point: 677 °C (950 K) Common Uses: scientific research (only) |
External Links edit
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