Electron Configuration and Stability
Interactive Video
•
Chemistry, Science
•
9th - 12th Grade
•
Practice Problem
•
Easy
Aiden Montgomery
Used 4+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to understand electron configuration exceptions?
They are commonly tested on chemistry tests.
They help in understanding chemical reactions.
They are rarely tested in chemistry exams.
They are not relevant to real-world applications.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the maximum number of electrons that the s sublevel can hold?
14
10
2
6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the electron configuration of chromium, why does one electron move from the 4s to the 3d sublevel?
To decrease the energy level.
To fill the 4s sublevel completely.
To achieve a more stable configuration.
To increase the total number of electrons.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final electron configuration of chromium?
1s2 2s2 2p6 3s2 3p6 4s2 3d4
1s2 2s2 2p6 3s2 3p6 4s2 3d5
1s2 2s2 2p6 3s2 3p6 4s1 3d4
1s2 2s2 2p6 3s2 3p6 4s1 3d5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where is copper located in the periodic table?
Second row
Third row
Fourth row
Fifth row
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial electron configuration of copper before any rearrangement?
1s2 2s2 2p6 3s2 3p6 4s1 3d10
1s2 2s2 2p6 3s2 3p6 4s2 3d10
1s2 2s2 2p6 3s2 3p6 4s2 3d9
1s2 2s2 2p6 3s2 3p6 4s1 3d9
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does one electron move from the 4s to the 3d sublevel in copper?
To fill the 4s sublevel completely.
To decrease the energy level.
To achieve a more stable configuration.
To increase the total number of electrons.
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