A) \[Fe\]
B) \[Co\]
C) \[Ni\]
D) \[Zn\]
E) \[Cu\]
Correct Answer: E
Solution :
The element has 29 electrons, with electronic configuration\[1{{s}^{2}},2{{s}^{2}},2{{p}^{6}},3{{s}^{2}},3{{p}^{6}},3{{d}^{10}},4{{s}^{1}}\]is copper. Its atomic number is 29.
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