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Actinium(Ac) Element
| Basic Infomation | |
Name: Actinium Symbol: Ac Atomic Number: 89 Atomic Mass: (227.0) amu Melting Point: 1050.0 °C (1323.15 °K, 1922.0 °F) Boiling Point: 3200.0 °C (3473.15 °K, 5792.0 °F) | Number of Protons/Electrons: 89 Number of Neutrons: 138 Classification: Rare Earth Crystal Structubre: Cubic Density @ 293 K: 10.07 g/cm3 Color: Silvery |
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