What are the similarities in properties of elements in halogen family?
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they have 7 valanc e- .they are highly reactive
they have low melting and boiling point.they are toxic in nature.they are non-metals.
they have low melting and boiling point.they are toxic in nature.they are non-metals.
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Group17 is known as halogen . They have 7 electrons in their outer shell . They have oxidation no. +7 to -1 .(At is artificial element)
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