Multiple Choice
According to the Aufbau principle, what is the maximum number of electrons that can occupy the third energy level (n = 3) of an atom?
21
views
10. Periodic Properties of the Elements
The Electron Configuration
Back10. Periodic Properties of the Elements
The Electron Configuration
- Multiple ChoiceWhich of the following diagrams correctly represents the distribution of electrons in the electron shells of a helium atom?34views
- Multiple ChoiceWhich change to the electron configuration of nitrogen (atomic number 7) would result in a stable, noble gas configuration?23views
- Multiple ChoiceWhen writing the electron configuration for plutonium (atomic number 94), which of the following is the correct ending for its configuration?30views
- Multiple ChoiceWhich of the following is the correct electron configuration for helium (He)?27views
- Multiple ChoiceWhich of the following best describes the term 'electron orbital'?30views
- Multiple ChoiceAccording to the aufbau principle, which of the following sublevels is lowest in energy?26views
- Multiple ChoiceWhich of the following is the correct ground-state electron configuration for gallium (Ga; Z = 31)?28views
- Multiple ChoiceWhich of the following is the correct electron configuration for barium (Ba)?30views
- Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral atom of titanium (atomic number 22)?27views
- Multiple ChoiceWhich of the following represents the correct electron configuration for a neutral atom of magnesium?32views
- Multiple ChoiceOrbitals are best described as __________.49views
- Multiple ChoiceWhich of the following is the correct electron configuration for a neutral selenium (Se) atom?20views
- Multiple ChoiceWhat is the electron configuration for a nitrogen atom?35views
- Multiple ChoiceWhich of the following electron configurations represents an atom of chlorine (atomic number 17) in an excited state?23views