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29. Which is the electron configuration of an atom in the excited state? (1) 1s 2s²2p2 (2) 1s 2s22p' (3) 1s 2s22p5352 (4) 1s²2s²2p%35'
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29. Which is the electron configuration of an atom

in the excited state?
(1) 1s 2s²2p2
(2) 1s 2s22p'
(3) 1s 2s22p5352
(4) 1s²2s²2p%35'

User Uut
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2 is right am 70 percent sure
User TheQueenIsDead
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