Quick Facts Pípè, Ìhànsójú ...
Roentgenium, 111RgRoentgenium |
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Pípè | |
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Ìhànsójú | unknown |
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nọ́mbà ìsújọ | [282] |
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Roentgenium ní orí tábìlì àyè |
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Nọ́mbà átọ̀mù (Z) | 111 |
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Ẹgbẹ́ | group 11 |
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Àyè | àyè 7 |
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Àdìpọ̀ | Àdìpọ̀-d |
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Ẹ̀ka ẹ́límẹ́ntì | Unknown chemical properties |
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Ìtò ẹ̀lẹ́ktrọ́nù | [Rn] 5f14 6d9 7s2 (predicted)[1][2] |
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Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan | 2, 8, 18, 32, 32, 18, 1 |
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Àwọn ohun ìní ara |
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Ìfarahàn at STP | solid Àdàkọ:Cnpresumably |
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Atomic properties |
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Oxidation states | (−1), (+1), (+3), (+5), (+7) Àdàkọ:Infobox element/symbol-to-oxidation-state/comment[2][3][4] |
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Other properties |
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Natural occurrence | synthetic |
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CAS Number | 54386-24-2 |
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Main isotopes of roentgenium |
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Isotope |
Abundance |
Half-life (t1/2) |
Decay mode |
Product |
280Rg |
syn |
3.6 s |
α |
9.75 |
276Mt |
279Rg |
syn |
170 ms |
α |
10.37 |
275Mt |
278Rg |
syn |
4.2 ms |
α |
10.69 |
274Mt |
274Rg |
syn |
15 ms |
α |
11.23 |
270Mt |
272Rg |
syn |
1.6 ms |
α |
11.02,10.82 |
268Mt |
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Àdàkọ:Category-inline | references |
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