Question

According to the definition, elements of lanthanide belonging to $6^{th}$ period of d - block does not come under transition elements.

State whether given statement is true or false.

• A. True
• B. False

Answer 1

The correct option is A True

Given statement is true. Elements from atomic number 58 to 71 are called Lanthanide's. They are placed at the bottom of the periodic table. They are not included in the sixth period. Though last electron enters d orbital and f orbital they are not considered as transition elements because their properties are different from transition elements.