Iron
Because most things are made of metal.
There are a large number of metals present on periodic table. So they are most abundant.
This element is francium in the first group of periodic table.
The number one element on the periodic table is hydrogen. It is not a metal, but the lightest and most abundant element in the universe.
Silicon is a semi metal belonging to 14th group and 3rd period of the Periodic Table and it is used most commonly and widely in electronics.
Francium (Fr)
Hydrogen.
Osmium i think
Francium is the most reactive metal.
The Alkali metals are the most reactive group of metals in the Periodic Table. Of these Francium is the most reactive metal of all.
sodium
The Alkali metals are the most reactive group of metals in the Periodic Table. Of these Francium is the most reactive metal of all.