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18 July, 20:48

Write the electron configurations of cu2 + and ag+. is each electron configuration consistent with the color you observed for each cation? explain.

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  1. 18 July, 20:59
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    (1) Copper:

    Copper has the atomic number : 29

    Cu2 + means that it lost 2 electrons, therefore, the total number of electrons is 29-2 = 27 electrons.

    The electronic configuration is:

    1s2 2s2 2p6 3s2 3p6 3d9

    (2) Silver:

    Silver has atomic number : 47

    Ag + means that it lost one electron, therefore, the total number of electrons is 47-1 = 46 electrons

    The electronic configuration is:

    1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10
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