Multiple ChoiceWhich of the following best describes the partial energy level diagram for a hydrogen atom?77views
Multiple ChoiceHow many unpaired electrons are present in a ground state atom of ruthenium (Ru)?83views
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)?67views
Multiple ChoiceWhich of the following represents the correct electron configuration for the V^{3+} ion?67views
Multiple ChoiceWhich of the following electron configurations represents an atom of chlorine (atomic number 17) in an excited state?77views
Multiple ChoiceWhich of the following is the correct orbital notation for boron (atomic number 5)?82views
Multiple ChoiceWhich orbital-filling diagram represents the ground state electron configuration of chromium (Cr, atomic number 24)?99views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral atom of nickel (atomic number 28)?87views
Multiple ChoiceHow many electrons can the first energy level (closest to the nucleus) hold before it is full?77views
Multiple ChoiceWhich of the following lists the three fundamental rules that govern the filling of atomic orbitals by electrons?30views
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?67views