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The electron configuration is why they react.

The Alkali metals have one electron in their outer shell and to complete their outer shell need 7 more electrons. They can give, take or share electrons with other atoms.

This is when the Halogens come in handy. The Halogens have 7 electrons in their outer shells, and need one more to complete the outer shell.

These can react very easily because they have both the perfect amounts to fill their outer shells and become compounds. Other atoms with other amounts to become atoms not ions needs another element to react with.

Hope this helps, Matt.

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17y ago

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Related Questions

How do the chemical properties of the alkali metals and halogens that react to form them?

Alkali metals, like sodium and potassium, have one valence electron and readily lose it to form a +1 cation. Halogens, like chlorine and fluorine, have seven valence electrons and readily gain one electron to form a -1 anion. When alkali metals react with halogens, the alkali metal donates its electron to the halogen, forming an ionic compound.


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Halogens, such as chlorine or iodine, will react with alkali metals to form ionic bonds by transferring electrons from the alkali metal to the halogen. This results in the formation of ionic compounds like sodium chloride or potassium iodide.


What elements react the best with the alkali metals?

Non metals form ionic bonds with metals. Non metals gain the electrons while metals loose. Alkali metals reacts with halogen family in efficient manner.


What two families of elements react easily with each other to form compounds?

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Which group of metals do halogens usually bond with offer an explanation?

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What groups are the very reactive elements from?

The very reactive elements are typically found in Group 1 (alkali metals) and Group 17 (halogens) of the periodic table. Alkali metals tend to react violently with water, while halogens are known for their high reactivity and tendency to form salts with metals.


Which group do alkali metals bond with?

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What are the families in periodic table?

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How do alkali metals react to cold water?

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