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The Periodic Table is 150 years old sometime this year (I could not find its exact birthday).
Good job Mendeleev!
Here is a Science magazine news info graphic on how it has changed over time (before and after Mendeleev).
The graphic came out a while ago, but was not working then. Now it does.
Good job Mendeleev!
Here is a Science magazine news info graphic on how it has changed over time (before and after Mendeleev).
The graphic came out a while ago, but was not working then. Now it does.