Question

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

An electrically neutral gallium atom has 31 electrons around its nucleus. Which of the following is the correct electronic configuration for a gallium atom that is triply-ionized?

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p1

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

1s2 2s2 2p10 3s2 3p6 4s2 3d4

1s2 2s2 3s2 2p6 3p4

1s2 2s2 2p6 3s2 3p6 4s2 3d8

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Answer #1

around 1 hallium atom has 31 electrons nucllus in electrically neutral situation ça 15², 25², 206, 333, 366, 4s: 3d lo qp So

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