| 41. | In the periodic table, meitnerium is a d-block transactinide element.
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| 42. | For now, a new addition to the periodic table in textbooks around the world.
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| 43. | This instrument is based on the periodic table of elements and the golden ratio.
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| 44. | The periodic table is arranged in periods, or rows.
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| 45. | It is a rare transition metal belonging to the platinum group of the periodic table.
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| 46. | The periodic table is useful in identifying periodic trends.
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| 47. | It is unknown how far the periodic table might extend beyond the known 118 elements.
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| 48. | The genome project is wholly analogous to the creation of the periodic table in chemistry,
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| 49. | But anything found in nature, such as an element of the periodic table, can not.
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| 50. | The periodic table of elements flashes on the screen.
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