Can You Put the First 25 Elements of the Periodic Table in Order?
The seventh row of the table was completed in 2016 when Tennessine, Nihonium, Moscovium, and Oganesson were added. Elements ...
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Scientists just got 1 step closer to creating a 'superheavy' element that is so big, it will add a new row to the periodic table
Researchers may have found a way to create a new superheavy element, known as "element 120," which would be so hefty that it ...
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Elements, compounds and mixtures
Some substances, like particles of this iron, contain only one kind of atom. Iron is an element. It is made of only one type of atom: iron atoms. Sulfur is another element. It contains only sulfur ...