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Gallium - GA

Date Submitted: 01/06/2004 16:46:13
Length: 3 pages (758 words)
Views: 109622

Gallium was an element whose existence was predicted by Mendeleev in 1871. He predicted that the then unknown element gallium should resemble aluminum in its properties. He suggested that the name ekaaluminium. He predicted that the element would have an atomic mass of 68, its formula would be Ea2O3, the gravity would be 5.9, and that it would be discovered spectroscopically. All these properties were very accurate to Gallium’s, which I will explain later on. In …

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…doing harm to the surrounding tissue. Isotopes and Half Life: Isotope Mass Half-life Mode of decay Nuclear spin Nuclear magnetic moment 64Ga 63.936838 2.63 m EC to 64Zn 0 65Ga 64.9394 15.2 m EC to 65Zn 3/2 66Ga 65.931592 9.5 h EC to 66Zn 0 67Ga 66.928205 3.260 d EC to 67Zn 3/2 1.8507 68Ga 67.927983 1.130 h EC to 68Zn 1 0.01175 70Ga 69.926027 21.1 m EC to 70Zn; b- to 70Ge 1 72Ga 71.926372 14.10 h b- to 72Ge 3 -0.13224 73Ga 72.92517 74.87 h b- to 73Ge 3/2 74Ga 73.92694 8.1 m b- to 74Ge 3 75Ga 74.92650 2.10 m b- to 75Ge 3/2

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