Multiple ChoiceWhich of the following is the correct electron configuration for the As^{3+} cation?58views
Multiple ChoiceWhat is the total number of principal energy levels that are completely filled in an atom of magnesium (atomic number 12)?42views
Multiple ChoiceHow many electrons are present in a neutral atom of vanadium (atomic number 23)?63views
Multiple ChoiceWhich of the following electron configurations correctly represents the placement of electrons around a nitrogen atom?45views
Multiple ChoiceWhich of the following lists the three fundamental rules used to write the electron configuration of elements?42views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral oxygen atom?33views