Electron configuration
Flashcard
•
Science, Chemistry
•
10th Grade
•
Practice Problem
•
Easy
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16 questions
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1.
FLASHCARD QUESTION
Front
What is electron configuration?
Back
The distribution of electrons in an atom's orbitals, described by a series of numbers and letters (e.g., 1s2 2s2 2p6).
2.
FLASHCARD QUESTION
Front
What does the notation '1s2' indicate?
Back
It indicates that there are 2 electrons in the 1s orbital.
3.
FLASHCARD QUESTION
Front
Which element has the electron configuration 1s2 2s2 2p6?
Back
Neon.
4.
FLASHCARD QUESTION
Front
Why do electrons fill the 4s orbital before the 3d orbital?
Back
Because the 4s orbital has lower energy than the 3d orbital.
5.
FLASHCARD QUESTION
Front
What is the shape of an s orbital?
Back
Spherical.
6.
FLASHCARD QUESTION
Front
What is the shape of a p orbital?
Back
Dumbbell-shaped.
7.
FLASHCARD QUESTION
Front
How many orbitals are in the d subshell?
Back
Five orbitals.
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