Multiple ChoiceThe sulfur atom has 16 electrons. What is the correct electron configuration for sulfur?83views
Multiple ChoiceWhich element has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6?85views
Multiple ChoiceWhat is the total number of partially occupied 2p orbitals in a nitrogen atom (atomic number 7) in its ground state?74views
Multiple ChoiceWhich sublevel is filled immediately after the 5s sublevel in the order of electron filling?95views
Multiple ChoiceWhich of the following represents the complete ground state electron configuration for a scandium (Sc) atom?68views
Multiple ChoiceWhich of the following represents the correct ground-state electron configuration for a neutral carbon atom?67views
Multiple ChoiceGiven the electron configuration of iron (Fe): [Ar] 4s2 3d6, how many core electrons and valence electrons does an iron atom have?117views
Multiple ChoiceWhich of the following represents the complete ground state electron configuration for a nickel (Ni) atom?72views
Multiple ChoiceHow many electrons can be accommodated in the third energy level (n = 3) of an atom?67views
Multiple ChoiceWhich of the following correctly represents the orbital diagram for arsenic (As, atomic number 33)?75views
Multiple ChoiceWhich atom in the ground state has a stable (completely filled) electron configuration?75views
Multiple ChoiceA neutral atom has the following electron configuration: 1s^2 2s^2 2p^6 3s^2 3p^5. Which element is this atom?71views
Multiple ChoiceWhich of the following is the correct electron configuration for the Y^{3+} ion?70views
Multiple ChoiceWhich of the following is the correct electron configuration for boron (atomic number 5)?68views
Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral oxygen atom?56views