Multiple ChoiceWhich of the following is the correct electron configuration for a neutral sodium (Na) atom?17views
Multiple ChoiceWhich of the following is the correct electron configuration for boron (atomic number 5)?23views
Multiple ChoiceWhich of the following is the correct ground-state electron configuration for an atom with 104 electrons?21views
Multiple ChoiceWhich of the following electron configurations correctly represents a neutral nitrogen atom?31views
Multiple ChoiceWhich of the following is the correct electron configuration for technetium (Tc, atomic number 43)?25views
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