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Elements between 57 and 70 belongs to the f group. Elements from La - Lu belongs to this group. These are called Lanthanides.

These elements are Lanthanides. They are placed separately. They have different chemical properties.

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What are called elements 57 to 70?

Elements 57 to 70 are part of the lanthanide series in the periodic table. They are known as the lanthanides or rare earth elements, and include elements such as lanthanum, cerium, and praseodymium. These elements have unique properties and are commonly used in various technologies and applications.


What series are called elements 57 to 70?

Elements from atomic number 57 (Lanthanum) to 71 (Lutetium) are called the Lanthanides. Lanthanide means "like Lanthanum" and so, the Lanthanides are based on Lanthanum. Only one of the Lanthanides is radioactive: Promethium (Pm - No. 61)


What are elements with atomic numbers 57-70 called?

Elements with atomic numbers 57-70 are known as the lanthanides, which are a series of 15 chemical elements in the periodic table. They include elements from lanthanum (La, atomic number 57) to lutetium (Lu, atomic number 71). These elements are known for their similar properties and are often found in minerals and used in various applications, including electronics and strong permanent magnets.


Why are the elements 57 through 70 and 89 through 102?

The elements 57 through 70 are known as the lanthanides, while those from 89 through 102 are referred to as the actinides. Both series are located in the f-block of the periodic table and are characterized by their filling of f-orbitals. The lanthanides are often used in various high-tech applications, such as magnets and phosphors, while the actinides include radioactive elements, with uranium and plutonium being notable for their use in nuclear energy and weapons. Their unique properties arise from the complex interactions of their electron configurations.


What are the lanthanides and actinides found on the periodic table?

They are found below the periodic table because they would take up too much room in the periodic table