Multiple Choice
What does the number of valence electrons in an atom indicate?
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10. Periodic Properties of the Elements
Valence Electrons of Elements
Multiple Choice
Which of the following correctly states the maximum number of electrons that can occupy a d subshell?
A
10
B
14
C
6
D
2
Verified step by step guidance1
Recall that each electron in an atom is described by a set of quantum numbers, and the Pauli exclusion principle states that no two electrons can have the same set of quantum numbers within an atom.
Understand that a d subshell consists of 5 orbitals, each of which can hold a maximum of 2 electrons with opposite spins.
Calculate the maximum number of electrons in a d subshell by multiplying the number of orbitals by the number of electrons per orbital: \(5 \times 2\).
Write the formula explicitly: Maximum electrons in d subshell = number of orbitals \(\times\) electrons per orbital = \(5 \times 2\).
Conclude that the maximum number of electrons that can occupy a d subshell is 10.
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