What do the elements of alkali metals, halogen and noble gases have common?
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Answer:
Halogens and Alkali metals are always seprated by a nobel gas as halogens belong to 17th group and Alakali Metals belong to 1st group. All have atleast 1 electron.
Explanation:
a) all alkali metals have one electron in their outer shell. ... b)these are reactive elements because their atoms have one empty space in their outer shell. Halogens are colored gases and very poisonous.
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Answer:
It is always separated
Explanation:
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