Ms. Simpson's class site - Home...B Chlorine (Cl) is an inert gas, and argon (Ar) is a halogen....
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Ms. Simpson's class site - Home...B Chlorine (Cl) is an inert gas, and argon (Ar) is a halogen. C Lithium (Li) is an alkali metal, and argon (Ar) is an inert gas. ) Beryllium (Be)
