Chapter 5: Periodic Classifications of Elements

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Periodic Classifications of Elements


Name two elements you would expect to show chemical reactions similar to magnesium. What is the basis for your choice?


The chemical properties of an element depend on its valance electrons. Two elements will show similar chemical properties that have the same valence electrons. The magnesium has two valance electrons. This means that magnesium will show similar chemical behavior as the elements which have two valence electrons. So, Beryllium (2, 2) and Calcium (2, 8, 8, 2) will show similar chemical reactions as a magnesium element.

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