Multiple ChoiceA neutral atom has the following electron configuration: 1s^2 2s^2 2p^6 3s^2 3p^5. Which element is this atom?77views
Multiple ChoiceWhich of the following is the correct electron configuration for the Y^{3+} ion?75views
Multiple ChoiceWhich of the following is the correct electron configuration for boron (atomic number 5)?74views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral oxygen atom?63views
Multiple ChoiceWhich of the following is the correct electron configuration for a neutral bromine (Br) atom?80views
Multiple ChoiceWhich of the following is the correct ground-state electron configuration for molybdenum (Mo)?99views
Multiple ChoiceHow many electrons are present in a neutral atom of vanadium (atomic number 23)?101views
Multiple ChoiceWhich of the following represents the electron configuration of an oxygen atom in the ground state?76views
Multiple ChoiceWhich of the following represents the ground state electron configuration for the element neodymium (Nd, atomic number 60)?77views
Multiple ChoiceWhich of the following is the correct electron configuration for antimony (Sb)?76views
Multiple ChoiceWhich of the following is the correct electron configuration for phosphorus (atomic number 15) using core notation?83views