List all non-metals that are in the main subgroup of the seventh group of the periodic table. How do non-metallic properties
| December 7, 2020 | education
List all non-metals that are in the main subgroup of the seventh group of the periodic table. How do non-metallic properties and electronegativity change in this series?
F (fluorine)
Cl (chlorine)
Br (bromine)
I (iodine)
At (astatine)
The non-metallic properties and electronegativity of elements increase from top to bottom.
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