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What is the group number for Lanthanides and Actinides?
Rare Earth elements or lanthanides are placed in the period 6 of the periodic table of Mendeleev. Actinoids are placed in the period 7 of the periodic table of Mendeleev.
Where are landthanides and actinides actinides placed in the periodic table?
Lanthanides and Actinides are placed separately as the properties of these elements is quite different from the elements in periodic table.
What are the two periods of elements below the periodic table called?
The two periods below the periodic table are known as the lanthanides and actinides. These series consist of elements that fall within the f-block of the periodic table.
What elements on the periodic table is a radioactive element?
Lanthanides and Actinides probably
What two elements are shown at the bottom of the periodic table?
Lanthanides and Actinides.
What two groups are removed from the main body of the periodic table?
Lanthanides and actinides are the two groups that are usually removed from the main body of the periodic table and placed below it to conserve space.
What are at the bottom of the periodic table?
The Lanthanides and the Actinides have been moved in the periodic table simply to save space. --PainRain
What two chunks of the periodic table are at the bottom to make it smaller?
Lanthanides & Actinides
What are the element at the bottom of the periodic table?
Lanthanides and actinides (or f-block elements).
Where are the lanthanides and actinides places in the periodic table?
they are not placed from elements 57-70.
Where are the lanthanides and actinides placed on the periodic table?
At the bottom of the Periodic Table
How many lanthanides and actinides are there?
There are 15 lanthanides (from lanthanum to lutetium) and 15 actinides (from actinium to lawrencium) in the periodic table. These elements belong to the f-block of the periodic table and have unique properties due to their electron configurations.
