AP EAMCET · Chemistry · Structure of Atom
In \(f\)-block elements, orbitals are progressively filled by the electrons.
- A \(3 f\) and \(4 f\)
- B \(4 f\) and \(5 f\)
- C \(5 f\) and \(6 f\)
- D \(6 f\) and \(7 f\)
Answer & Solution
Correct Answer
(B) \(4 f\) and \(5 f\)
Step-by-step Solution
Detailed explanation
The general electronic configuration of \(f\)-block elements is \((n-2) f^{(0-14)}(n-1) d^{(0-1)} n s^2\) General electronic configuration of lanthanoids is [Xe] \(4 f^{1-14} 5 d^{0-1} 6 s^2\) and actinoides is \([\mathrm{Rn}] 5 f^{1-14} 6 d^{0-1} 7 s^2\) So, \(4 f\) and \(5 f\)…
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