Metallic radii of some transition elements are given below. Which of these elements will have highest density?
Element
Fe
Co
Ni
Cu
Metallic radii/pm
126
125
125
128
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Cu
Explanation:
On moving across the period in the periodic table the atomic radii of the element decreases towards right that is why density increases towards right in a period.
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Although Zirconium belongs to 4d transition series and Hafnium to 5d transition series even then they show similar physical and chemical properties because ___________.