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Periodic table of elements quiz: How many elements can you name in 10 minutes?
It arranges all natural and synthetic elements by their atomic number , ranging from 1 to 118 ... It's no mean feat, the best ...
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118 Elements and Their Symbols and Atomic Numbers: Definition, Symbol with Atomic Number
There are 118 elements in the periodic table, each with a unique symbol and atomic number. Symbol: A one or two-letter abbreviation used to represent the element. Atomic number: The number of ...