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chem bonds
| Term | Definition |
|---|---|
| Why can Iron have +2 and +3 ions | because you can transfer the two outer electrons so that it is +2, but you can have +3 because there is an electron and a half of a shell, so it is more stable |
| Metallic bond | the strong attraction between positive ions and a “sea” of mobile delocalized valence electrons that move freely among them |
| Metallic alloys | are made to create materials with superior properties to pure metals |