Multiple ChoiceWhich of the following best describes the partial energy level diagram for a hydrogen atom?76views
Multiple ChoiceHow many unpaired electrons are present in a ground state atom of ruthenium (Ru)?79views
Multiple ChoiceWhich of the following is true when drawing a box (orbital) diagram for the electron configuration of an atom?66views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral atom of vanadium (atomic number 23)?65views
Multiple ChoiceWhich of the following represents the correct electron configuration for the V^{3+} ion?64views
Multiple ChoiceWhich of the following electron configurations represents an atom of chlorine (atomic number 17) in an excited state?73views
Multiple ChoiceWhich of the following is the correct orbital notation for boron (atomic number 5)?81views
Multiple ChoiceWhich orbital-filling diagram represents the ground state electron configuration of chromium (Cr, atomic number 24)?97views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral atom of nickel (atomic number 28)?85views
Multiple ChoiceHow many electrons can the first energy level (closest to the nucleus) hold before it is full?75views
Multiple ChoiceWhich of the following lists the three fundamental rules that govern the filling of atomic orbitals by electrons?28views
Multiple ChoiceWhich of the following represents the correct electron configuration for the Se^{2-} ion?73views
Multiple ChoiceGiven the following orbital diagram (core electrons not shown):↑↓ ↑↓ ↑↓ ↑↓ ↑ ↑ ↑3s 3p 4s 3dWhat element is designated by this orbital diagram?65views