
Chromium Electron Configuration Concepts
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jackson Turner
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is chromium considered an exception in electron configuration rules?
It has more protons than expected.
It has a unique atomic number.
Its electron configuration does not follow the typical order.
It is a noble gas.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the atomic number of chromium?
24
22
26
28
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many electrons are used up to the 4s orbital in chromium's electron configuration?
22
24
18
20
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of half-filled d orbitals in chromium?
They are less stable than other configurations.
They are more stable than configurations with one less electron.
They make the atom heavier.
They have no effect on stability.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the electron configuration of chromium in condensed notation?
[Ar] 3d5 4s1
[Ar] 3d4 4s2
[Ar] 3d6 4s0
[Ar] 3d3 4s2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many electrons are removed to form Cr2+ from chromium?
One
Two
Three
Four
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which orbital loses an electron first when forming Cr2+?
2p
4s
3p
3d
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