Multiple Choice
Which of the following orbitals possesses the most orbital shapes?
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9. Electrons in Atoms and the Periodic Table
Electronic Structure: Orbitals
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In the context of electronic structure and orbitals, what does the electron cloud model describe?
A
The exact position and exact velocity of an electron at any moment in time
B
The region between atoms where protons are shared to form chemical bonds
C
The probability distribution of where an electron is likely to be found around the nucleus
D
A set of fixed circular paths (orbits) that electrons follow at specific radii
Verified step by step guidance1
Understand that the electron cloud model is a way to describe the behavior of electrons in atoms, focusing on their probable locations rather than exact paths.
Recall that electrons do not move in fixed orbits like planets around the sun; instead, their positions are described by probabilities.
Recognize that the electron cloud represents a region around the nucleus where there is a high likelihood of finding an electron at any given time.
Note that this model replaces earlier ideas of fixed circular orbits with a more accurate quantum mechanical description involving orbitals.
Conclude that the electron cloud model describes the probability distribution of where an electron is likely to be found around the nucleus, rather than exact positions or velocities.
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