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Question

Match the items in List 1 with those in List 2


Solution

Cr atomic number 24, half filled configuration.1s$$^2$$ 2s$$^2$$ 2p$$^6$$ 3s$$^2$$ 3p$$^6$$ 3d$$^{5}$$ 4s$$^1$$
Cu atomic number 29, half filled configuration.1s$$^2$$ 2s$$^2$$ 2p$$^6$$ 3s$$^2$$ 3p$$^6$$ 3d$$^{10}$$ 4s$$^1$$
$$Fe^{+3} : [Ar]d^{5}$$ unpaired elctrons =5
$$Zn^{+2} : [Ar]d^{10}$$,1s$$^2$$ 2s$$^2$$ 2p$$^6$$ 3s$$^2$$ 3p$$^6$$ 3d$$^{10}$$

Chemistry

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