d - block and f - block Elements
Total number of inner transition elements in the periodic table is:
DoubtBuddy
Subjective Type
What are inner transition elements? Decide which of the following atomic numbers are the atomic numbers of the inner transition elements : $$29, 59, 74, 95, 102, 104$$.
Solution
Inner transition metals are those elements in which the last electron enters the f-orbital. The elements in which the $$4f$$ and the $$5f$$ orbitals are progressively filled are called f-block elements. These includes lanthanoids ($$Z = 58-71$$) and actinoids ($$Z = 90 - 103$$).
Elements with atomic numbers 59, 95 and 102 are inner transition elements.
SIMILAR QUESTIONS
d - block and f - block Elements
In context of the lanthanoids, which of the following statements is not correct?
d - block and f - block Elements
Larger number of oxidation states are exhibited by the actinoids than those by the lanthanoids, the main reason being :
d - block and f - block Elements
Which of the following statements is not correct for the F block elements?
d - block and f - block Elements
Which one of the following statements related to lanthanons is incorrect?
d - block and f - block Elements
Which is the first energy level containing f-orbitals?
d - block and f - block Elements
Although Zirconium belongs to 4d transition series and Hafnium to 5d transition series even then they show similar physical and chemical properties because:
d - block and f - block Elements
Although Zirconium belongs to 4d transition series and Hafnium to 5d transition series even then they show similar physical and chemical properties because:
d - block and f - block Elements
The group of elements in which the differentiating electron enters the antipenultimate shell of atoms are called:
d - block and f - block Elements
A reduction in atomic size with increase in atomic number is characteristic of ?
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