Multiple Choice
What is the ground state electron configuration of a calcium ion (Ca²⁺)?
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10. Periodic Properties of the Elements
The Electron Configuration
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
What do electrons in the same shell have in common?
A
They have the same spin quantum number.
B
They have the same azimuthal quantum number.
C
They have the same principal quantum number.
D
They have the same magnetic quantum number.
Verified step by step guidance1
Understand that electrons in an atom are organized into shells, subshells, and orbitals, which are defined by quantum numbers.
The principal quantum number, denoted as 'n', indicates the main energy level or shell of an electron within an atom. Electrons in the same shell have the same principal quantum number.
The azimuthal quantum number, denoted as 'l', defines the shape of the orbital and is related to the subshell. Electrons in the same shell can have different azimuthal quantum numbers.
The magnetic quantum number, denoted as 'm_l', specifies the orientation of the orbital in space. Electrons in the same shell can have different magnetic quantum numbers.
The spin quantum number, denoted as 'm_s', describes the spin of the electron. Electrons in the same shell can have different spin quantum numbers.
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