Question

Read the following statements and choose the correct option.
(i) $ f $-block elements of $ 6^{th} $ period are called lanthanides.
(ii) $ f $-block elements of $ 7^{th} $ period are called actinides.

• A. (i) is true and (ii) is false
• B. (i) is true and (ii) is true
• C. (i) is false and (ii) is true
• D. (i) is false and (ii) is false

Answer 1

Answer: (B)

Correct answer is (b) (i) is true and (ii) is true