Question

Alkali metals and halogens do not occur in free state. What do you think

can be the reason for this.​

Answer 1

Answer:

They are never found in nature uncombined because they are unstable and they react fast to other elements. They bond well with all elements except the noble gases.

Explanation:

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Answer 2

Answer:

Alkali metals and halogens do not occur in free state in nature because they are very reactive. They are unstable and react with other elements to form compounds in order to attain stability.

Explanation:

Alkali metals have only one electron in their valence shell i.e ns1 configuration. Therefore, they easily lose this electron to form compounds to attain stability.

Halogens having electronic configuration np5 need only one more electron to attain stable noble gas configuration np6. Thus easily gain an electron.

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