Question

The electronic configuration of titanium is 2, 8, 10, 2. How can we write its subshell electronic configuration?

Answer 1

• Electrons are filled in the subshells of titanium in the order $1s^2,2s^{2}2p^6,3s^{2}3p^{6}3d^2,4s^2$

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• Before 3d electron enters 4s as its energy is less than 3d.

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