Lawrencium, 103LrLawrencium |
---|
Pípè | /ləˈrɛnsiəm/ (lə-REN-see-əm) |
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Ìhànsójú | unknown, probably silvery, white or metallic gray |
---|
nọ́mbà ìsújọ | [266] |
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Lawrencium ní orí tábìlì àyè |
---|
|
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 |
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References
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