Periodic Trends & Electron Configuration
Flashcard
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is ionization energy?
Back
The energy required to remove an electron from an atom in its gaseous state.
2.
FLASHCARD QUESTION
Front
Which element has the highest ionization energy: helium, neon, or argon?
Back
Helium.
3.
FLASHCARD QUESTION
Front
What is the noble gas configuration for aluminum?
Back
[Ne] 3s² 3p¹.
4.
FLASHCARD QUESTION
Front
Which element has the highest shielding effect: lithium, sodium, or potassium?
Back
Potassium.
5.
FLASHCARD QUESTION
Front
What is the shielding effect?
Back
Reduction in attractive force between nucleus and valence electrons.
6.
FLASHCARD QUESTION
Front
What does the Aufbau Principle state?
Back
Electrons occupy orbitals of lowest energy first.
7.
FLASHCARD QUESTION
Front
What is Hund's Rule?
Back
Every orbital in a subshell is singly occupied before any orbital is doubly occupied.
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