Jazminfun70
Jazminfun70 Jazminfun70
  • 13-12-2018
  • Chemistry
contestada

Quick question.
In which group of the periodic table do you find halogens?
A.2A
B.8A
C.1A
D.7A

Respuesta :

tallinn tallinn
  • 23-12-2018

Solution:- Halogens are fluorine, chlorine, bromine, iodine and Astatine(F, Cl, Br, I and At) and these are present in the 7A group of the periodic table. In modern periodic table this group is written as 17th group. This group elements have 7 valence electrons and so they are in group 7A.

So, the right choice is D. 7A.

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