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Isotopes: The main isotopes of Argon found on Earth are 40
Ar (99.6%), 36
Ar (0.34%), and 38
Ar (0.06%).
Chemical Reactivity: Argon has full s and p subshells. This makes the element very stable and very resistant to bond with other elements. In August 2000, the first Argon compound was synthetically formed by researchers at the University of Helsinki. By shining ultraviolet light onto frozen Argon containing a little amount of hydrogen fluoride with caesium iodide, argon fluorohydride (HArF) was created.
Radioactive Decay: 40Ar, the most abundant isotope of Argon, is produced by the decay of 40K with a half-life of 1.25×109 years by electron capture or positron emission. Because of this, it is used in potassium-argon dating to determine the age of rocks.
Characteristics: Argon is nontoxic, colorless, odorless, and nonflammable in the form of a solid, liquid or gas. There are no confirmed stable compounds that it forms at room temperature.
Ar (99.6%), 36
Ar (0.34%), and 38
Ar (0.06%).
Chemical Reactivity: Argon has full s and p subshells. This makes the element very stable and very resistant to bond with other elements. In August 2000, the first Argon compound was synthetically formed by researchers at the University of Helsinki. By shining ultraviolet light onto frozen Argon containing a little amount of hydrogen fluoride with caesium iodide, argon fluorohydride (HArF) was created.
Radioactive Decay: 40Ar, the most abundant isotope of Argon, is produced by the decay of 40K with a half-life of 1.25×109 years by electron capture or positron emission. Because of this, it is used in potassium-argon dating to determine the age of rocks.
Characteristics: Argon is nontoxic, colorless, odorless, and nonflammable in the form of a solid, liquid or gas. There are no confirmed stable compounds that it forms at room temperature.