Question

An element 'E' belong to 3rd period and group 17 of long form of periodic table. anwer the given questions
1)how many valence electrons are in element 'E'?
2) find the valence of 'E'
3)is this element a metal or non metal ? justify your answer
4) identify this element and it's family
5) write the formula of its compounds,when it reacts with element D having valency +3​

Answer 1

Answer:

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