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Periodic Table & Formulas - Families
Properties of families of elements on the periodic table
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| A | B |
|---|
| halogens | most reactive non-metals |
| halogens | oxidation number of -1 |
| halogens | 7 valence electrons |
| halogens | F, Cl, Br, I |
| alkali metals | most reactive metals |
| alkali metals | oxidation number of +1 |
| alkali metals | 1 valance electron |
| alkali metals | Li, Na, K, Rb |
| alkaline earth metals | 2nd most reactive metals |
| alkaline earth metals | oxidation number of +2 |
| alkaline earth metals | 2 valance electrons |
| alkaline earth metals | Be, Mg, Ca, Sr |
| noble gases | inert elements |
| noble gases | most have 8 valence electrons |
| noble gases | oxidation number of 0 |
| noble gases | He, Ne, Ar, Kr, Xe |
| transition metals | form colored compounds |
| transition metals | most widely used metals |
| transition metals | form ions with varying oxidation numbers |
| transition metals | found in the "d" block of periodic table |
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