As a class, the Group 17 (halogen) elements are missing (deficient by) one electron in their outer or valence shells. As a class, the metallic elements tend to have one or more 'excess' electrons int heir valence shells. read more
As a class, the Group 17 (halogen) elements are missing (deficient by) one electron in their outer or valence shells. As a class, the metallic elements tend to have one or more ‘excess’ electrons int heir valence shells. read more
No. The elements in group 1 (the alkali metals) are very soft, easily cut with a knife, and are highly reactive and react violently with water and oxygen.. read more
Group 17 elements are strong non-metals, while group 1 elements are strong metals. Explain. read more