Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral atom of nickel (atomic number 28)?40views
Multiple ChoiceWhy do chemists use the electron cloud or charge density model to describe electrons in atoms?76views
Multiple ChoiceWhich of the following is the correct electron configuration for the sodium ion, Na\(^+\)?44views
Multiple ChoiceWhich of the following best describes how an electron can move from a lower energy shell to a higher energy shell?51views
Multiple ChoiceWhich of the following is the correct ground-state electron configuration for a neutral lead (Pb) atom?56views
Multiple ChoiceWhich of the following is the correct electron configuration for a neutral carbon atom?45views
Multiple ChoiceWhich of the following represents the correct ground-state electron configuration for the Mn^{2+} ion?43views
Multiple ChoiceWhat is the total number of principal energy levels that are completely filled in an atom of magnesium (atomic number 12)?42views
Multiple ChoiceYou will not need to memorize the quantum numbers for each element because you can see them in:55views
Multiple ChoiceWhich of the following is the correct electron configuration for a neutral atom of nickel (atomic number 28)?42views
Multiple ChoiceIn a neutral atom, how many electrons can occupy the electron shell closest to the nucleus (the first shell)?38views
Multiple ChoiceWhich of the following electron configurations best represents how electrons are arranged in the energy levels of a carbon atom?38views