1.

Elements A and B with their respective electronic configurations \[3{{d}^{10}}\,4{{s}^{1}}\] and \[4{{d}^{10}}\,5{{s}^{1}}\] in their outermost shell are

A. Both non-metals
B. Both coinage metals
C. A is a non-metal and B is coinage metal
D. A is a coinage metal and B is non-metal
Answer» C. A is a non-metal and B is coinage metal


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