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The correct electronic configuration of Ti(Z= 22) atom is:
(1) 1s2, 2s2, 2p6, 3p6, 4s2, 3d2,
(2) 1s2, 2s2, 2p6, 3p6, , 3d4,
(3) 1s2, 2s2, 2p6, 3s2, 3p6 3d4,
(4) 1s2, 2s2, 2p6, 3s2, 3p6 4s1 3d3
Ans:1s2, 2s2, 2p6, 3p6, 4s2, 3d2
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