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What are Elements in the first row of the rare earth elements of the periodic table!?
Elements in the first row of the rare earth elements of the Periodic Table are called LANTHANIDES.
An element in the second row of the rare earth elements in the periodic table are?
litium, and elements in the 2nd period (row) are pretty common
What is the sixty first element in the periodic table of the elements?
The sixty first element in the periodic table of elements is promethium. It is a rare earth metal that is not found naturally on Earth and is typically produced in nuclear reactors.
Where are rare elements on a periodic table?
you find the ones that have been added to the periodic table in the old days
The element lanthanum is in what section on the periodic table of elements?
The element Lanthanum (La) is a transition metal and the first of the 'Lanthanides'.
What does lu stand for in the periodic table of elements?
Lu stands for Lutetium in the periodic table of elements. It is a rare earth metal with atomic number 71.
Is germanium a rare earth element series?
No, germanium is not a rare earth element. It is a metalloid in group 14 of the periodic table, along with carbon, silicon, and tin. Rare earth elements are a group of elements found in the lanthanide series of the periodic table.
What is the name for the elements that have been removed from period 7 and instead placed below the periodic table?
The elements that have been removed from period 7 and placed below the periodic table are called the "lanthanides" and "actinides". These elements are also known as the "rare earth elements" and they are placed separately to conserve space on the periodic table.
The two rows of elements placed at the bottom of the periodic table represent what elements?
The two rows of elements at the bottom of the periodic table are the lanthanides and actinides. The lanthanides are elements with atomic numbers 57 to 71, while the actinides are elements with atomic numbers 89 to 103. These rows are known as the f-block elements and are placed below the main body of the periodic table to conserve space.
What is another name for the rare earth elements?
Lanthanides are another name for the rare earth elements, a group of 15 elements with atomic numbers 57-71 in the periodic table. They are commonly used in various technologies and applications due to their unique properties.
What was true about the elements that would later be put in those gaps?
When Mendeleev proposed his periodic table, he noted gaps in the table, and ... Initial versions of the periodic table did not give the rare earth elements the ... that these atomic elements would be discovered, that he included them in later.
Is francium a radioactive element?
Francium (Fr) is a natural radioactive element, extremely rare.
