Question

Europium is

• A. s-block element
• B. p-block element
• C. f-block element
• D. d-block element

Answer 1

Answer: (C)

Europium is a f-block elements as it follows the general electronic configuration of the f-block elements
$\left(4f^{1-45}5d^{0,1}6s^2\right)Eu=\left[Xe\right]4f^{1}6s^2$