Answer to Question #69056 in Inorganic Chemistry for Israel

Question #69056
Question 19 : Which of these elements behave partly as the alkaline metals as well as a halogen element?_____________
Helium
Fluorine
Hydrogen
1
Expert's answer
2017-06-28T10:06:06-0400
Hydrogen behave partly as the alkaline metals as well as a halogen element!
For example:
a) Hydrogen in molecula water H 2 O behave as the alkaline metal: Na 2 O, Li 2 O. (Oxidation number of Hydrogen is +1);
b) Hydrogen in molecula lithium hydride LiH behave as a halogen element: LiF, LiCl. (Oxidation number of Hydrogen is -1).

Answer: Hydrogen.

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