A) it is low melting
B) its d-orbital is complete
C) it is a soft metal
D) two electrons are present in the outermost orbit
E) None of the above
Correct Answer: B
Solution :
In the d-block elements, zinc (Z = 30) has the configuration\[3{{d}^{10}},4{{s}^{2}}\]. It does not have partially filled d-subshell like other elements of the series. Therefore, it does not show variable valency.
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