I guess the answer to this will vary for each person. But my choice will be CARBON.
The most important is the estimation of chemical properties of an element.
Fluorine is the most electro negative element on the periodic table
Fluorine is the most electronegative element on the periodic table. It has the highest electronegativity value of 3.98.
The seventh most abundent element is potassium.
Yes, fluorine is the most reactive element on the periodic table.
Helium is an element, and it's name on the Periodic Table is He
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.
Francium
Ununoctium
carbon
Fluorine