| 21. | It is the primary source of scandium.
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| 22. | The company takes its name from scandium, the 21st golf clubs and fishing rods.
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| 23. | He farms out the scandium-aluminum welding to Grand Prairie experts who build jet fighters.
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| 24. | Three group 3 elements occur naturally, scandium, yttrium, and either lanthanum or lutetium.
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| 25. | Metallic scandium is produced industrially by the scandium fluoride followed by a reduction with metallic calcium.
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| 26. | Metallic scandium is produced industrially by the scandium fluoride followed by a reduction with metallic calcium.
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| 27. | Occurs in miarolitic cavities in granite, in alpine veins and in scandium bearing granitic pegmatites.
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| 28. | Varying the amount of hydrogen controls qualities such as the hardness of the resulting scandium hydride.
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| 29. | Particularly promising is the strengthening of aluminium alloys with as little as 0.5 % scandium.
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| 30. | About 80 kg of scandium is used in metal halide lamps / light bulbs globally per year.
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