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Chemical Elements.com - Fermium (Fm)

https://chemicalelements.com/elements/fm.html

“Basic Information Name: Fermium Symbol: Fm Atomic Number: 100 Atomic Mass: (257.0) amu Melting Point: Unknown Boiling Point: Unknown Number of Protons/Electrons: 100 Number of Neutrons: 157 Classification: Rare Earth Crystal Structure: Unknown Density @ 293 K: Unknown Color: Unknown Atomic...” (from the page’s text)

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