| 41. | It is in group 18 of the periodic table and is a noble gas.
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| 42. | In the periodic table, it is a p-block transactinide element.
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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 was incredibly beautiful, the most beautiful thing I had ever seen,
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| 45. | In the periodic table, it is a d-block transactinide element.
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| 46. | A more refined classification is often shown in colored presentations of the periodic table.
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| 47. | Sounds like more fun than memorizing the periodic table of the elements, to me.
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| 48. | This almost equal abundance is rare in the periodic table.
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| 49. | They called it element 118 because of its logical position in the Periodic Table.
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| 50. | In the periodic table, meitnerium is a d-block transactinide element.
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