Chemistry, 26.07.2019 10:30 kooygi5278

Why does the ionization energy change when moving down a group of elements? a. the number of valence electrons increases. b. the nuclear positive charge increases. c. the energy levels are slowing. d. the attractive force on the valence electrons decreases as the atom gets larger.

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Why does the ionization energy change when moving down a group of elements? a. the number of valenc...

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