Which of the following pairs of elements are both f-block elements?
Practice Questions
Q1
Which of the following pairs of elements are both f-block elements?
Ce and La
U and Th
Y and Zr
Fe and Co
Questions & Step-by-Step Solutions
Which of the following pairs of elements are both f-block elements?
Step 1: Understand what f-block elements are. They are elements found in the f-block of the periodic table, which includes the lanthanides and actinides.
Step 2: Identify the f-block elements. The lanthanides include elements from Cerium (Ce) to Lutetium (Lu), and the actinides include elements from Actinium (Ac) to Lawrencium (Lr).
Step 3: Look at the pairs of elements given in the question. Check if both elements in each pair belong to the f-block.
Step 4: For the pair Cerium (Ce) and Lanthanum (La), confirm that both are in the lanthanide series, which makes them f-block elements.
Step 5: Conclude that Cerium (Ce) and Lanthanum (La) are both f-block elements.
