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== Artificial Elements == | == Artificial Elements == | ||
The only large addition to the [[Periodic Table]] was after World War II. The experiments with nuclear energy created heavy elements. These elements created in man-made nuclear reactions were called | The only large addition to the [[Periodic Table]] was after World War II. The experiments with nuclear energy created heavy elements. These elements created in man-made nuclear reactions were called transuranium elements. They were given this name because their atomic numbers are greater than uranium's [[atomic number]]. Neptunium and plutonium are the only transuranium elements found in nature. The rest of them are products of the nuclear reactions. <ref name=BJU/> | ||
== The Modern Periodic Table == | == The Modern Periodic Table == |
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