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प्रश्न
Chorine in the periodic table is surrounded by the elements with atomic number 9, 16, 18 and 35.
Which of these have physical and chemical properties resembling chlorine.
उत्तर १
An Element with atomic number 9 and 35
उत्तर २
Fluorine and chlorine have atomic numbers 9 and 35, respectively as both are halogens. They belong to the same group 17 and have seven electrons in their valence shell. The valency is 1. Both elements are non-metallic.
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