Question

this question refers to the elements of the periodic table with atomic number from 3 to 80 sum of the elements as shown by medicinal and letters have not the usable symbol of the element which of these are the most electronegative halogen is an alkali metal is an element with valency 4​

Answer 1

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Answer 2

(a) Fluorine

(b)Chlorine

(c)Sodium

(d)Carbon