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Which of the following electronic configurations correctly represents an element in ...
Classroom
Chemistry Classroom
Waec
Waec 2009
More Topics
Which of the following electronic configurations correctly represents an element in period 3 of the periodic table?
SchoolNGR Classroom
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
A
1s
2
2s
2
2p
2
B
1s
2
2s
2
2p
6
C
1s
2
2s
2
2p
6
3s
2
3p
4
D
1s
2
2s
2
2p
6
3s
2
3p
6
4s
1
Show Answer
Show Explanation
Correct Answer:
Option C
Explanation:
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