Argon, abbreviated Ar in the table of elements, has an atomic number of 18. This element is in group 18 (noble gases). Therefore, there is no natural combination of it. Argon gas is present in up to 1% of the Earth’s atmosphere. Most of this volume is argon-40, which is produced by cosmic rays due to the degradation of potassium-40 from the atmosphere. Globally, argon-36 is much higher than argon-40. Because it is the product of the synthesis of stellar nuclei in supernovae. Argon is derived from the Greek word meaning lazy or inactive. The reason for this naming is the inefficiency of argon and its inactivity. For industrial use, argon is separated from liquid air by partial distillation. Argon is used to bring light to life. It is also used in the welding, spectroscopy and titanium industries.
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