g - Wits Structural Chemistry

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g - Wits Structural Chemistry

Group Trends for SelectedNonmetalsGroup 7A: The Halogens• The chemistry of the ……………. is dominated bygaining an electron to form an anion:X 2 + 2e - 2X - .• Fluorine is one of the most reactive substances known:2F 2 (g) + 2H 2 O(l) 4HF(aq) + O 2 (g) H = -758.7 kJ.• All halogens consists of diatomic molecules, X 2 .54

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