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University Chemistry 1 - kau 110 LECTURE...Write the electronic configuration of 22 Ca, 11 Na, 51 Sb and 82 Pb 13 22 Ca is 1s2 2s2 2p6 3s2 3p64s2 or [Ar] 4s2 11 Na is 1s2 2s2 2p6 3s1
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