-- card: 41177 from stack: in
-- bmap block id: 0
-- flags: 0000
-- background id: 14320
-- name: Lr


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Lr

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Lawrencium

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103

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(260)

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+3

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(after Ernest O. Lawrence, invented the cyclotron) Identified by Ghiorso, Sikkeland, Larsh and Latimer in 1961. 

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rare earth metal, radioactive

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Electron Configuration:

1s  2s  2p  3s  3p  3d  4s  4p  4d  4f  5s  5p  5d  5f  6s  6p  6d  6f  7s 
 2   2    6    2    6   10   2   6  10  14  2    6  10  14   2   6     1        2