Question

29
Chemistry of f-Block Elements
Q.4 Define the following:
(1) Nuclear fission 18
Nuclear fusion 18
(iii) Nuclear fuel (Apr. 07) 18 (iv) Fertile material (Oct. 13) 19
(v) Fissile elements
(vi) Breeder 19
(vii) Lanthanides 2
(viii) Actinides
(ix) Lanthanide contraction (Oct. 14) (x) Chemical twins 9
(xi) Transuranic elements (April 13) 14
Q.5 Answer the following:
(1) Lanthanides are placed in which block of the periodic table ?
(ii) What is the atomic number of element Pnn ? $50
(iii) What is the common oxidation state of lanthanides?
(iv) Give IUPAC name of the element having atomic number 101.
(v) What is the atomic number of an element Enq?
(April 15)
(April 15)
(Oct. 14)
(April 14)
(Oct. 13)​

Answer 1

Answer:

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