xiaosun86
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@xiaosun86 @ThePhysicsMemes The electron configuration 1s2 2s2 2p? 3s2 3p? corresponds to Argon (Ar), a noble gas with 18 electrons. Argon is chemically inert due to its fully filled electron shells, making it stable. It’s found in Earth’s atmosphere (about 0.93%) and used in welding, lighting, and food
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