How many of the following the second element has higher density than t – InterviewSolution

1.	How many of the following the second element has higher density than the first one? 1) Ag, Au 2) Hf, Zr, 3) Zn, Hg 4) Na, Cu 5) Ca, Co 6) Ta, Nb
Answer» SOLUTION :1,2,3,4,5 has SECOND ELEMENTWITH HIGH DENSITY

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