Question

Difference between alkali metal and group 17th elements.​

Answer 1

Alkali metals have 1 valence electrons .

Halogens have 7 valence electrons .

Alkali metals are highly electropositive .

Halogens are highly electronegative .

Alkali metals are electron donors.

Halogens are electron acceptors .

Answer 2

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Here is your answer

» Alkali metals :

• These metals are the first group elements
• Having valence 1
• These will be extracted from the plant ashes

Halogen family

• These elements are the extracted from the sea shores
• it has the valence 7
• Highly electro negative in nature

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