Multiple ChoiceThe sulfur atom has 16 electrons. What is the correct electron configuration for sulfur?30views
Multiple ChoiceWhich element has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6?30views
Multiple ChoiceWhat is the total number of partially occupied 2p orbitals in a nitrogen atom (atomic number 7) in its ground state?24views
Multiple ChoiceWhich sublevel is filled immediately after the 5s sublevel in the order of electron filling?40views
Multiple ChoiceWhich of the following represents the complete ground state electron configuration for a scandium (Sc) atom?21views
Multiple ChoiceWhich of the following represents the correct ground-state electron configuration for a neutral carbon atom?22views
Multiple ChoiceGiven the electron configuration of iron (Fe): [Ar] 4s2 3d6, how many core electrons and valence electrons does an iron atom have?42views
Multiple ChoiceWhich of the following represents the complete ground state electron configuration for a nickel (Ni) atom?23views
Multiple ChoiceHow many electrons can be accommodated in the third energy level (n = 3) of an atom?19views
Multiple ChoiceWhich of the following correctly represents the orbital diagram for arsenic (As, atomic number 33)?29views
Multiple ChoiceWhich atom in the ground state has a stable (completely filled) electron configuration?34views
Multiple ChoiceA neutral atom has the following electron configuration: 1s^2 2s^2 2p^6 3s^2 3p^5. Which element is this atom?21views
Multiple ChoiceWhich of the following is the correct electron configuration for the Y^{3+} ion?24views
Multiple ChoiceWhich of the following is the correct electron configuration for boron (atomic number 5)?24views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral oxygen atom?18views