
Calcium Atom Electron Configuration
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Sophia Harris
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of protons in a neutral calcium atom?
20
22
18
24
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many electrons are present in the first energy level of a neutral calcium atom?
4
2
1
6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of electrons in the second energy level of a neutral calcium atom?
8
4
6
2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which energy level loses electrons when calcium forms a Ca2+ cation?
Third
First
Second
Fourth
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What charge does calcium have after losing two electrons?
+1
+2
-1
-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the 4s2 electrons in the electron configuration of calcium when it forms Ca2+?
They remain unchanged
They double
They are lost
They are gained
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which noble gas has the same electron configuration as Ca2+?
Krypton
Xenon
Neon
Argon
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