An electrically neutral gallium atom has 31 electrons around its nucleus. Which of the following is...

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Answer 1

Answer #1

For a triply ionized, there will be 28 electrons and they are filled as

The three valence electrons leave from 4th shell

$1s^2 2s^2 2p^6 3s^2 3p^6 3d^{10}$

Answer 2

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