Multiple Choice
Which element has the electron configuration 1s2 2s2 2p6 3s1?
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10. Periodic Properties of the Elements
The Electron Configuration
Back10. Periodic Properties of the Elements
The Electron Configuration
- Multiple ChoiceWhich of the following is the correct electron configuration for a neutral phosphorus (P) atom?3views
- Multiple ChoiceWhich element has an electron configuration of 2–5, and how many protons does its atom contain?4views
- Multiple ChoiceAfter the 4d sublevel is completely filled, which electron sublevel begins to fill next?3views
- Multiple ChoiceWhich statement about the electron-cloud model is true?2views
- Multiple ChoiceWhich of the following represents the correct orbital diagram for the ion Mo^{3+}?3views
- Multiple ChoiceHow many electrons are present in a neutral atom of silicon (Si)?3views
- Multiple ChoiceWhich of the following is the correct electron configuration for bromine (Br)?2views
- Multiple ChoiceWhich of the following represents the correct orbital diagram for a neutral vanadium atom (atomic number 23)?3views
- Multiple ChoiceHow many subshells are present in the n = 4 shell of an atom?3views
- Multiple ChoiceWhich of the following orbital diagrams for the 2p subshell of carbon (atomic number 6) represents a violation of Hund's rule?4views
- Multiple ChoiceThe sulfur atom has 16 electrons. What is the correct electron configuration for sulfur?4views
- Multiple ChoiceWhich element has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6?3views
- Multiple ChoiceWhat is the total number of partially occupied 2p orbitals in a nitrogen atom (atomic number 7) in its ground state?3views
- Multiple ChoiceWhich sublevel is filled immediately after the 5s sublevel in the order of electron filling?3views