Electron Configuration Review
Flashcard
•
Chemistry
•
10th - 12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is electron configuration?
Back
The distribution of electrons in an atom's orbitals, which determines its chemical properties.
2.
FLASHCARD QUESTION
Front
What is the significance of noble gases in electron configuration?
Back
Noble gases have full valence shells, making them stable; they are often used as reference points in shorthand electron configurations.
3.
FLASHCARD QUESTION
Front
What is the ground state of an atom?
Back
The lowest energy state of an atom, where electrons occupy the lowest available energy levels.
4.
FLASHCARD QUESTION
Front
What is an excited state of an atom?
Back
A state where one or more electrons have absorbed energy and moved to higher energy levels.
5.
FLASHCARD QUESTION
Front
How do you determine the number of valence electrons in an atom?
Back
By looking at the highest principal energy level and the number of electrons in that level.
6.
FLASHCARD QUESTION
Front
What happens when an atom loses a valence electron?
Back
It becomes a positive ion (cation) due to the loss of a negatively charged electron.
7.
FLASHCARD QUESTION
Front
What is the electron configuration for Aluminum?
Back
1s² 2s² 2p⁶ 3s² 3p¹
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