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Why is argon considered a noble gas?

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Argon's atomic number - 18 Electron configuration - 2,8,8 As the outer orbit is full, it doesnt need to get or give any electrons. That's why its a noble gas. It just relaxes and doesn't react with any element. read more

More About the Noble Gas Elements. The last column of elements in the periodic table are the noble gases. They are called Group 18, the inert gases, the rare gases, the helium family, or the neon family. There are 7 elements in this group: helium, neon, argon, krypton, xenon, and radon. These elements are gases at ordinary room temperature and pressure. read more

We are completing a middle school science worksheet. My daughter asked why argon can be considered a stable gas because it does not have a full outer shell. read more

The six noble gases are helium, neon, argon, krypton, xenon and radon. While they are all highly unreactive, the heavier elements of the group do sometimes form compounds under certain conditions. The inner electron shells of these elements form a sort of shield around the nucleus, allowing the gases to be ionized with sufficient energy. read more

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