Question

Mention the properties of f – block elements​

Answer 1

Answer:

All the transition elements are metals. They exhibit most of the properties of metals. They possess high density, high melting and boiling points, ductility, high tensile strength, metallic lustre, hardness, brittleness, malleability etc. They are good conductors of heat and electricity.

Answer 2

Answer:

F block elements are divided into two series, namely lanthanoids and actinoids. This block of elements are often referred to as inner transition metals because they provide a transition in the 6th and 7th row of the periodic table which separates the s block and the d block elements.

Table of Content

Classification

Inner Transition Elements

Properties

Difference between Lanthanides and Actinides

FAQs

What are F Block Elements?

Elements whose f orbital getting filled up by electrons are called f block elements. These elements have electrons, (1 to 14) in the f orbital, (0 to 1) in the d orbital of the penultimate energy level and in the outermost’s orbital.

There are two series in the f block corresponding to the filling up of 4f and 5f orbitals. The elements are 4f series of Ce to Lu and 5f series of Th to Lw. There are 14 elements filling up the ‘f’ orbital in each series.

The position of F Block Elements in the Periodic Table: F block elements are placed separately at the bottom of the periodic table. They are a subset of 6th and 7th periods.

More Topics on F Block Elements

Lanthanides

Actinides

Classification of F Block Elements

The elements belonging to the f block are further differentiated into:

The first series of elements are called lanthanides and include elements with atomic numbers beginning from 57 and ending at 71. These elements are non-radioactive (except for promethium, which is radioactive).

The second series of elements are called actinides and include elements with atomic numbers beginning from 89 and ending at 103. These elements generally have a radioactive nature.

The list of all the f block elements is provided below. The row beginning with Lanthanum is the row containing all the lanthanides whereas the row beginning with Actinium is the row that contains all the actinides.

Explanation:

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