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Periodic table of elements quiz: How many elements can you name in 10 minutes?
In this periodic table of elements quiz, you have 10 minutes to name as many elements as you can, given only their symbol, ...
Only a Few Grams of This Element Exist—and Scientists Have Used It to Break the Rules of the Periodic Table
More than 75 years after its initial discovery, scientists have created an organometallic molecule containing the ...
BBC3y
Developing the periodic table
During Mendeleev’s time there were around only 65 known elements. Today we know there are 118 elements, all which can be found on the modern periodic table. The element germanium was discovered ...
BBC1y
Developing the periodic table
During Mendeleev’s time there were around only 65 known elements. Today we know there are 118 elements, all which can be found on the modern periodic table. The element germanium was discovered ...