Identify the atom from the choices below that have: four valence electrons and one that has four occupied shells. *Note, it does not have to be the same letter choice for both answers.   A)   2-8-4 B)   2-8-3 C)   2-8 D)    2-8-8-2

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Q: most positive electron affinity to most negative electron affinity.

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Q: 17. The d-sublevel can hold a maximum of fourteen (14) electrons. True False

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A: The given problem is based on the concept of ionization energy.