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The d & f Block Elements — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryThe d & f Block Elements1 Mark
MCQ
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
  • A
    Fe
  • B
    Ni
  • C
    Co
  • D
    Cu
✓

Answer

  1. 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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