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Rutherfordium
104
Rf
[261]
 Atomic Number 104
Atomic Weight [261]
Electron Config. 2-2-6-2-6-10-2-6-10-14-2-6-10-14-2-6-2-2
Electron configuration order: 1s-2s-2p-3s-3p-3d-4s-4p-4d-4f-5s-5p-5d-5f-6s-6p-6d-7s
 
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