Group VII Elements

Topic Content:

Fluorine –  ₉ F → 2, 7

Chlorine – ₁₇ Cl → 2, 8, 7

Group VII elements include fluorine, chlorine, bromine, iodine and astatine. The elements in this group are known as halogens. The word “Halogen” means ” salt producer “. They are the most reactive non-metals and they exist as diatomic molecules. They are coloured. 

They ionize to form univalent negative ions. e.g. Cl₂ + 2e^– → 2Cl