Skip to main content
Introduction to Chemistry
My Course
Learn
Exam Prep
AI Tutor
Study Guides
Flashcards
Explore
Try the app
My Course
Learn
Exam Prep
AI Tutor
Study Guides
Flashcards
Explore
Try the app
Back
Electron Arrangements
Download worksheet
Problem 1
Problem 2
Problem 3
Problem 4
Problem 5
Electron Arrangements
Download worksheet
Practice
Summary
Previous
5 of 5
9. Electrons in Atoms and the Periodic Table / Electron Arrangements / Problem 5
Problem 5
Which of the following is the correct electron configuration for a sodium atom?
A
1s
2
2s
2
2p
6
3p
1
B
1s
2
2s
2
2p
6
3s
1
C
1s
2
2s
2
2p
6
3s
2
D
1s
2
2s
2
2p
5
3s
2
AI tutor
0
Show Answer
