No. Be is active, but is nowhere near the most active element.
No. while magnesium is a very active element is is far from being the most active.
fluorine
fluorine
Francium
Fluorine.
Mg
No, it is not. The most reactive element is would be francium. The most reactive element that can be gathered in any appreciable quantity is cesium.
No. Au (gold) is one of the least active elements.
The most chemically active element is the halogen known as fluorine. Be
Hydrogen...
Fluorine is sometimes called the hungry wolf of the periodic table because it is the most reactive element.
Fluorine, F, is the most reactive element of all.