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Well it kind of depends on what you mean by reactive. The most unstable is Potassium. If you drop it in water it will go up in flames. The one that will produce the greatest energy from burning is Aluminum however Oxygen makes a barrier oxide on the metal that is very very unreactive so you can eat with an aluminum fork but once you get it burning it will burn through most anything.
What else can I help you with?
Which non metal below is most reactive?
fluorine is the most reactive non metal in the periodic table.
Most reactive metal in the fourth period of periodic table?
Potassium is the most reactive metal in the fourth period of the periodic table. It is highly reactive due to its low ionization energy, which allows it to readily lose electrons to form positive ions. This reactivity increases as you move down the group.
Is sodium a metal or nometal?
Sodium is a metal. It is a soft, silvery-white metal that is highly reactive and found in Group 1 of the periodic table.
Is potassium a metal metalloid or non metal?
metal
Is francium the largest and most reactive metal?
Francium is the largest alkali metal, but it is not the largest or most reactive metal overall. It is highly reactive due to its position on the periodic table, which means it will react violently with water and air. However, there are other metals that are more reactive than francium, such as cesium and potassium.
Where is the most reactive metal on the periodic table located?
This element is francium in the first group of periodic table.
What is the most reactive metallic in the periodic table?
Francium is the most reactive metal.
What is the most reactive group of metals in the periodic table is the?
The Alkali metals are the most reactive group of metals in the Periodic Table. Of these Francium is the most reactive metal of all.
Which metal is the most reactive in the periodic table?
Francium (Fr)
Which alkali metal is the most reactive on the periodic table?
Hydrogen.
What family of the most reactive group of metals in the periodic table?
The Alkali metals are the most reactive group of metals in the Periodic Table. Of these Francium is the most reactive metal of all.
What is the least reactive metal in group one of the periodic table?
Lithium
Which non metal below is most reactive?
fluorine is the most reactive non metal in the periodic table.
What is the most reactive metal and nonmetal group in the periodic table?
caesium is the most reactive non-radioactive metal and Florine is the most reactive non-metal, but francium is the most reactive, radioactive metal
What metal family is the most reactive in the periodic table?
Alkaline metals (Group 1) are the most reactive metals.
Least reactive metal in group 1 of the periodic table?
The least reactive metal in group 1 of the periodic table is francium. Francium is highly radioactive and has a very short half-life, making it extremely rare and difficult to study its chemical properties.
The first alkali metal?
The first alkali metal is lithium, which is in the first group of the periodic table. It is a soft, silvery-white metal that is highly reactive and commonly used in rechargeable batteries.
