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10 Interesting Facts about The Element Argon

10 Interesting Facts about The Element Argon
Here are the following facts about The Element Argon which probably give you new information about it. The Element Argon is one of the chemical element in natural environment. It has atomic number 18 and has the symbol Ar. It is a noble gas. Argon is the third most common gas which spread into the Earth’s atmosphere. And the proportion of the total gas is 0.93% (9,330 ppm). Then, these are the following facts about The Element Argon which need  Read More ... »