Multiple ChoiceWhich of the following is the correct electron configuration for the N^{3-} anion?32views
Multiple ChoiceWhich atom has the electron configuration 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^{10}?33views
Multiple ChoiceWhich of the following electron configurations would you expect to belong to a reactive nonmetal?39views
Multiple ChoiceWhat is the total number of electrons required to completely fill the first two main energy levels (n = 1 and n = 2) of an atom?21views
Multiple ChoiceWhich of the following represents the correct electron configuration for a nitrogen atom (atomic number 7)?26views
Multiple ChoiceWhich of the following represents the correct electron configuration for an aluminum (Al) atom?21views
Multiple ChoiceWhich of the following represents the ground state electron configuration of selenium (Se)?34views
Multiple ChoiceWhich element has the ground state electron configuration 1s^2 2s^2 2p^6 3s^2 3p^6 4s^1?19views
Multiple ChoiceWhich of the following is the correct electron configuration for tellurium (Te)?26views
Multiple ChoiceWhich of the following represents the core electrons in the electron configuration of cobalt (Co, atomic number 27)?18views
Multiple ChoiceWhich orbital notation represents an atom of beryllium (Be) in the ground state?28views
Multiple ChoiceWhich of the following is the correct electron configuration for boron (atomic number 5)?21views
Multiple ChoiceWhich of the following is the correct electron configuration for fluorine (atomic number 9)?20views
Multiple ChoiceWhich of the following statements about the energy levels of electrons in shells is correct?21views