교과서 질문
Using the periodic table as a guide, write the condensed electron configuration and determine the number of unpaired electrons for the ground state of d. Sb
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10. Periodic Properties of the Elements
Paramagnetism and Diamagnetism
객관식
Which of the following atoms would be expected to be diamagnetic in the ground state?
A
F (fluorine)
B
O (oxygen)
C
N (nitrogen)
D
Ne (neon)
검증된 단계별 안내1
Recall that an atom is diamagnetic if all of its electrons are paired, meaning there are no unpaired electrons in its electron configuration.
Write the electron configurations for each atom in the ground state: F (fluorine), O (oxygen), N (nitrogen), and Ne (neon).
Determine the number of electrons and fill the orbitals according to the Aufbau principle, Hund's rule, and the Pauli exclusion principle for each atom.
Check for unpaired electrons in each configuration: if there are any unpaired electrons, the atom is paramagnetic; if all electrons are paired, it is diamagnetic.
Identify that neon (Ne), with a full outer shell (1s² 2s² 2p⁶), has all paired electrons and is therefore diamagnetic, unlike F, O, and N which have unpaired electrons.
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