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The two most reactive groups of elements in the periodic table are the alkali metals and halogens.
Halogens are second from the rightmost column (The Noble Gases) in the periodic table. The Alkali Earth Metals are the second column from the left in the periodic table after the alkali metals.
Alkali metalsNonmetalsHalogens
Alkali metals are electropositive so they want to react with halogens which are more electronegative.
Halogens.
Alkali metals, transition metals, halogens or Transition metals, halogens, noble gases or Alkali earth metals, halogens, noble gases
The elements of the 1st GROUP of the periodic table are called alkali metals. The elements of the 17th GROUP of the periodic table are called halogens. Alkali metals are soft metals whereas halogens are non-metals.
The most reactive groups are alkali metals and halogens.
alkali metals, alkali earth, transition metals, non metals, halogens, noble gases
An ionic bond is formed by electron transfer between alkali metals and halogens.
The most active metals are alkali metals.The most active nonmetals are halogens.
The two most reactive groups of elements in the periodic table are the alkali metals and halogens.
Halogens are second from the rightmost column (The Noble Gases) in the periodic table. The Alkali Earth Metals are the second column from the left in the periodic table after the alkali metals.
The Alkali metals are the most reactive group of metals in the periodic table. Of these Francium is the most reactive metal of all.
Examples: alkali metals, alkali earth metals, noble gases, platinum metals, halogens, etc.
Alkali metalsNonmetalsHalogens
Alkali metals are electropositive so they want to react with halogens which are more electronegative.