The d- and f-Block Elements

Lanthanoids – Lanthanoid Contraction

1 question from 1 paper, each with its answer.

question
1
paper
1
years asked, 2017–2026
1 of 10
of The d- and f-Block Elements
1.32%

Concepts tested

  • similar radii of Zr and Hf

All Questions

2021 1 question

  1. Zr (Z = 40) and Hf (Z = 72) have similar atomic and ionic radii because of: