M-U2-Zone 5- Electron Configuration

Flashcard
•
Chemistry
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is electron configuration?
Back
Electron configuration is the distribution of electrons in an atom's orbitals, indicating how many electrons occupy each energy level and sublevel.
2.
FLASHCARD QUESTION
Front
How many total orbitals are in the 3rd energy level?
Back
There are 9 total orbitals in the 3rd energy level: 1 s orbital, 3 p orbitals, and 5 d orbitals.
3.
FLASHCARD QUESTION
Front
What is the maximum number of electrons in an orbital?
Back
The maximum number of electrons in a single orbital is 2.
4.
FLASHCARD QUESTION
Front
What is the formula to calculate the maximum number of electrons in an energy level?
Back
The formula is 2n^2, where n is the principal quantum number (energy level).
5.
FLASHCARD QUESTION
Front
How many p type orbitals are in the 2nd energy level?
Back
There are 3 p type orbitals in the 2nd energy level.
6.
FLASHCARD QUESTION
Front
What is the electron configuration for a neutral atom of oxygen?
Back
7.
FLASHCARD QUESTION
Front
What is the significance of valence electrons?
Back
Valence electrons are the outermost electrons of an atom and are important for chemical bonding and reactivity.
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