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Chemical Elements.com - Lutetium (Lu)

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

“Basic Information Name: Lutetium Symbol: Lu Atomic Number: 71 Atomic Mass: 174.967 amu Melting Point: 1656.0 °C (1929.15 K, 3012.8 °F) Boiling Point: 3315.0 °C (3588.15 K, 5999.0 °F) Number of Protons/Electrons: 71 Number of Neutrons: 104 Classification: Rare Earth Crystal Structure: Hexagonal...” (from the page’s text)

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