Scandium and Yttrium (actually many of the lanthanides and actinides are rare as well)
Francium is one of rarest chemical elements.
the two headed dragon is the rarest zany band.
Elements
The two elements named after states are francium and californium. Francium is named after France, while californium is named after California. Both elements highlight the geographic connection to their respective locations, with francium being one of the rarest naturally occurring elements and californium being synthetically produced and used in various applications, including nuclear reactors.
Of the following Elements;O,Si,Al,Fe,Ca,Na,K,Mg....which is the rarest single element in the Earth's crust?.....i say it's Mg because it is on 2% by weight of the Earth's crust.
Many isotopes of astatine are considered the rarest naturally occurring elements on Earth. Astatine is highly radioactive and has very short half-lives, making it difficult to study and find in nature.
Astatine is considered one of the rarest naturally occurring elements in the universe. It is part of the halogen group and is typically found in trace amounts in uranium and thorium ores.
Arceus Shaymin
mew and mew two
The two headed dragon
These elements are francium and lithium.
The two types of elements from left to right are metals and nonmetals . By:lhin velasco