Question

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Answer 1

30 Zn = 1s², 2s², 2p6, 3s², 3p6 ,3d10, 4s²

20 Cu = 1s² 2s² 2p6 3s² 3p6 4s¹ 3d10

12 Mg = 1s2, 2s2, 2p6, 3s2

79  Au = 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d9

47 Ag= 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1 4d10

42 Mo= 1s² 2s² 3s² 3p⁶ 4s² 3d¹° 4p⁶ 5s¹ 4d⁵

19 K= 1s2 2s2 2p6 3s2 3p6 4s1

54 Xe= 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6

74 W = 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d4