Lawrencium, 103LrLawrencium |
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Pípè | /ləˈrɛnsiəm/ (lə-REN-see-əm) |
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Ìhànsójú | unknown, probably silvery, white or metallic gray |
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nọ́mbà ìsújọ | [266] |
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Lawrencium ní orí tábìlì àyè |
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Nọ́mbà átọ̀mù (Z) | 103 |
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Ẹgbẹ́ | group n/a |
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Àyè | àyè 7 |
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Àdìpọ̀ | Àdìpọ̀-d |
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Ẹ̀ka ẹ́límẹ́ntì | Actinide |
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Ìtò ẹ̀lẹ́ktrọ́nù | [Rn] 5f14 7s2 7p1 |
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Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan | 2, 8, 18, 32, 32, 9, 2 |
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Àwọn ohun ìní ara |
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Ìfarahàn at STP | solid presumably |
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Atomic properties |
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Oxidation states | +3 |
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Other properties |
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Natural occurrence | synthetic |
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CAS Number | 22537-19-5 |
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Main isotopes of lawrencium |
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Isotope | Abundance | Half-life (t1/2) | Decay mode | Product | 262Lr | syn | 3.6 h | EC | | 262No | 261Lr | syn | 44 m | SF/EC? | | | 260Lr | syn | 2.7 m | alpha | 8.04 | 256Md | 259Lr | syn | 6.2 s | 78% alpha | 8.44 | 255Md | 22% SF | | | 258Lr | syn | 4.1 s | alpha | 8.68,8.65,8.62,8.59 | 254Md | 257Lr | syn | 0.65 s | alpha | 8.86,8.80 | 253Md | 256Lr | syn | 27 s | alpha | 8.62,8.52,8.32... | 252Md | 255Lr | syn | 21.5 s | alpha | 8.43,8.37 | 251Md | 254Lr | syn | 13 s | 78% alpha | 8.46,8.41 | 250Md | 22% EC | | 254No | 253Lrm | syn | 0.57 s | alpha | 8.79 | 249Md | 253Lrg | syn | 1.49 s | 92% alpha | 8.72 | 249Md | 8% SF | | | 252Lr | syn | 0.36 s | alpha | 9.02,8.97 | 248Md | |
Àdàkọ:Category-inline | references |
Itokasi
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