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Gr 8 PT Families
Learn about the characteristics of each family on the periodic table
Question | Answer |
---|---|
Groups 3 through 12;form a bridge between the very reactive metals and less reactive metals | transition metals |
one valence electron; very reactive | alkali metals |
two valence electrons; reactive; includes Mg and Ca | alkaline earth metals |
lanthanides and actinides | rare earth elements; found at the bottom of the periodic table |
6 valence electrons; gains or shares 2 valence electrons | oxygen family |
4 valence electrons | carbon family |
simplest element in a category by itself | hydrogen |
7 valence electrons; gains or shares one electron | halogen family |
5 valence electrons | nitrogen family |
Very stable; 8 valence electrons | noble gases |