Europium is: s-block element, p-block element, f-block element, d-block element
f-block element
s-block element
p-block element
d-block element
Solution:
Europium is a chemical element with the symbol Eu and atomic number 63. It is a f-block, Group 3, Period 6 element with an atomic radius of 151.964. Hence, option D is correct.