Multiple ChoiceWhich of the following is the correct electron configuration for the Ti^{2+} ion?19views
Multiple ChoiceHow many unpaired electrons are present in the ground state of a krypton (Kr) atom?42views
Multiple ChoiceWhich of the following is the correct electron configuration for a neutral lithium (Li) atom?21views
Multiple ChoiceWhich of the following must occur for an electron to move to a higher energy level in an atom?22views
Multiple ChoiceIn the context of electron configuration, what is the maximum number of electrons that can occupy the third shell (n = 3) of an atom?31views
Multiple ChoiceWhich of the following is the correct electron configuration for the Co^{2+} ion?23views
Multiple ChoiceWhich statement best describes how electrons are organized in the electron cloud of an atom?22views
Multiple ChoiceWhich of the following is the correct abbreviated electron configuration for cesium (Cs)?30views
Multiple ChoiceWhich of the following is the correct electron configuration for zirconium (Zr, atomic number 40)?30views
Multiple ChoiceWhich of the following electron configurations could represent a sodium atom (Na) in an excited state?24views
Multiple ChoiceWhich of the following represents the correct electron configuration for the Co(II) center found in vitamin B12?24views
Multiple ChoiceWhich of the following is the correct electron configuration for a nitrogen atom?28views
Multiple ChoiceWhich element has the ground state electron configuration [Kr] 5s^2 4d^{10} 5p^2?36views