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ECAT - Practice Test - Chemistry - Atomic Structure Quiz

Attempt 10 MCQs on ECAT - Practice Test - Chemistry - Atomic Structure | Quiz 6

51. How many unpaired electrons does a nitrogen atom have?

3
1
2
0

52. Which element has the configuration [Kr]4d⁵5s¹?

Molybdenum (Mo)
Technetium (Tc)
Ruthenium (Ru)
Niobium (Nb)

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