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Sodium, Potassium, and other alkali metals are very reactive due to the low ionization enthalpy.

Flourine, Chlorine and other halogens are very reactive due to the high negative electron gain enthalpy.

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Is fluorine the most reactive element in the periodic table?

Yes, fluorine is the most reactive element on the periodic table.


The two most reactive groups of elements in the periodic table are the alkali metals and the what?

The two most reactive groups of elements in the periodic table are the alkali metals and the halogens. Halogens are nonmetals located in group 17 of the periodic table and include elements like fluorine, chlorine, and iodine.


What are 2 elements most reactive on periodic table?

Lithium and Fluorine.


What are the most reactive elements on the periodic table?

The alkali metals and the halogens are the most reactive groups and among them, francium and fluorine are the most reactive, especially with each other.


Where are the most reactive element found on the periodic table?

Group 1, or the alkali metals, left of the table and Group 17, the halogens, right of the table are the most reactive groups. Fr, or Francium (atomic number 87) is the most reactive metal- and fluorine the most reactive halogen. Francium and fluorine would react together explosively they are so reactive.


Is it true the most chemically reactive metals are in group 1 of the periodic table?

yes the most chemically reactive elements are in group 1


Which periodic table family consists of highly-reactive elements?

S block has the most reactive elements. The groups 1 and 2 belongs to the s block.


Where on the periodic table are element most likely to react with other elements which direction?

The most reactive elements are alkali metals and halogens.


Which group on the Periodic Table of Elements has the most reactive nonmetals?

group 17 or halogens


The element Cs Ba and Lu appear from left to right in. Six of the periodic table elements which is most reactive?

Cs (Caesium) is the most reactive!!!!


What are the highest and lowest reactive elements on the periodic table?

As you move left on the periodic table, the elements get more reactive and as you move down the periodic table. Using that thinking the most reactive elements are the Alkali Earth Metals (column 1) and the most reactive element is Francium. The least reactive are the noble gases in the last column- Helium, Neon, Argon etc..


Are groups 1 and 2 more or less reactive in periodic table?

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