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Francium (Fr) is the most reactive metalloid, but it doesn't really count because it doesn't have any isotopes that are stable for longer than 22 minutes. The next most reactive is cesium (Cs). Cesium is much more reactive than any of the other alkali metals (reactivity goes up as you go down the 1st column of the Periodic Table (Li < Na < K < Rb < Cs < Fr).
See the Related Questions for more information about the reactivity of the alkali metals.
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∙ 16y ago
Wiki User
∙ 13y agoThe most reactive metallic element is francium. We know that reactivity increases as we go down on the left side of the periodic table (just like it increases as we go up on the right side).
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∙ 12y agoSodium is violently reactive with water other wise I know magnesium reacted well with a flame
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∙ 11y agoFrancium is the most reactive metal that is available in a sensible quantity to determine the properties.
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∙ 11y agogroup 1 elements or alkali metals
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If calcium is not a mineral what is it?
Calcium is an element, silvery metallic, soft, and reactive.
A reactive metallic element Its compounds give fireworks green colors?
The element copper makes the blue-green fireworks.
An element that is a very reactive gas is most likely a member of the what?
Chlorine is the most reactive gas element. Chlorine is in the halogen family.
Is Ca the most active element?
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.
What is most vital compound or element?
If by vital you mean most reactive, then the metal francium, Fr, is the most reactive element.
What is the most chemically reactive metallic element?
Hydrogen
Why is francium the most reactive chemical?
It should be noted that francium is not the most reactive element, but is the most reactive metallic element. Francium has the lowest electronegativity and the greatest electropositivity; the chemistry of francium is practically unknown today.
Why is group 1 the most reactive element?
All metals are highly reactive because of their properties. As you move left on a period while moving down you move close to Francium (most-metallic). Since group 1 is the most farthest left group, it is the most metallic, therefore the most reactive.
If calcium is not a mineral what is it?
Calcium is an element, silvery metallic, soft, and reactive.
Which of these elements is the most chemically active?
Fluorine is sometimes called the hungry wolf of the periodic table because it is the most reactive element.
Is francium the largest and most reactive metal?
Francium (Fr) should, based on its position in the periodic table, be the most reactive metallic element. However, fluorine is the most reactive element generally.
What is the most reactive metallic in the periodic table?
Francium is the most reactive metal.
Which element would be most reactive?
Fluorine is the most reactive element.
What element is metallic of the elements?
Francium is the most metallic element. :)
A reactive metallic element Its compounds give fireworks green colors?
The element copper makes the blue-green fireworks.
Which is most reactive element?
Fluorine(F2) is the most reactive element, known to react with even Xenon, Krypton, Gold, Platinum, etc.
What is the yellow non-reactive metallic element valued for its durability since ancient times?
Gold.
