An Overview about the Chemical Element Lanthanum
July 19, 2015 Physical Science
Lanthanum Symbol: La Atomic Number: 57 Atomic Mass: 138.9055 amu (atomic mass units) Melting Point: 920.0 C (1193.15 K, 1688.0 F) Boiling Point: 3469.0 C (3742.15 K, 6276.2 F) Number of Protons: 57 Number of Electrons: 57 Number of Neutrons:…
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