Shell: Shell is the pathway followed by electrons around an atom's nucleus. Subshell: Subshell is the pathway in which an electron moves within a shell. Orbital: Orbital is a mathematical function that describes the wave-like behavior of an electron.
An analogy is useful to answer this question. Think of an atom as an apartment building with several floors. Electrons are the “inhabitants” of this building. Each floor is a “shell” and rooms are “orbitals”. There are different types of rooms (orbitals) on each floor (shell) - each type of room on a floor is a “subshell”. Below is how it would look in the apartment renting lingo:
First Floor (Shell 1): Room Types (S subshell), Rooms (one S orbital), total rooms (orbitals) on first floor:1
Second Floor (Shell 2): Room Types (S Subshell, P subshell), Rooms (one S orbital, three P orbitals), total rooms (orbitals) on the second floor:4
Third Floor (Shell 3): Room types (S Subshell, P subshell, D subshell), Rooms (one S orbital, three P orbitals, five D orbitals): total rooms (orbitals) on third floor:9
etc.
The landlord of this apartment building (Aufbau) does not allow more than two electrons to live in each room (orbital). From this apartment analogy, we see that orbitals are the “rooms” the inhabitants (electrons) “live” in and a subshell is just the type of room on a floor. Moreover, which “rooms” the electrons live in determines the hustle and bustle of the buildings’ activities (i.e., electron configuration).
Answers & Comments
Answer:
Shell: Shell is the pathway followed by electrons around an atom's nucleus. Subshell: Subshell is the pathway in which an electron moves within a shell. Orbital: Orbital is a mathematical function that describes the wave-like behavior of an electron.
Answer:
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Explanation:
An analogy is useful to answer this question. Think of an atom as an apartment building with several floors. Electrons are the “inhabitants” of this building. Each floor is a “shell” and rooms are “orbitals”. There are different types of rooms (orbitals) on each floor (shell) - each type of room on a floor is a “subshell”. Below is how it would look in the apartment renting lingo:
First Floor (Shell 1): Room Types (S subshell), Rooms (one S orbital), total rooms (orbitals) on first floor:1
Second Floor (Shell 2): Room Types (S Subshell, P subshell), Rooms (one S orbital, three P orbitals), total rooms (orbitals) on the second floor:4
Third Floor (Shell 3): Room types (S Subshell, P subshell, D subshell), Rooms (one S orbital, three P orbitals, five D orbitals): total rooms (orbitals) on third floor:9
etc.
The landlord of this apartment building (Aufbau) does not allow more than two electrons to live in each room (orbital). From this apartment analogy, we see that orbitals are the “rooms” the inhabitants (electrons) “live” in and a subshell is just the type of room on a floor. Moreover, which “rooms” the electrons live in determines the hustle and bustle of the buildings’ activities (i.e., electron configuration).