Multiple ChoiceA neutral atom has the following electron configuration: 1s^2 2s^2 2p^6 3s^2 3p^5. Which element is this atom?98views
Multiple ChoiceWhich of the following is the correct electron configuration for the Y^{3+} ion?93views
Multiple ChoiceWhich of the following is the correct electron configuration for boron (atomic number 5)?97views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral oxygen atom?85views
Multiple ChoiceWhich of the following is the correct electron configuration for a neutral bromine (Br) atom?105views
Multiple ChoiceWhich of the following is the correct ground-state electron configuration for molybdenum (Mo)?136views
Multiple ChoiceHow many electrons are present in a neutral atom of vanadium (atomic number 23)?136views
Multiple ChoiceWhich of the following represents the electron configuration of an oxygen atom in the ground state?100views
Multiple ChoiceWhich of the following represents the ground state electron configuration for the element neodymium (Nd, atomic number 60)?101views
Multiple ChoiceWhich of the following is the correct electron configuration for antimony (Sb)?99views
Multiple ChoiceWhich of the following is the correct electron configuration for phosphorus (atomic number 15) using core notation?112views