Nitrogen
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DON'T TRY THIS AT HOME!ÌýFreezing different items with liquid nitrogen and then breaking them! Temperature of liquid nitrogen is approximately -210 °°ä!Ìý
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Symbol: N
Atomic Number: 7
Atomic Mass: 14.007 u
Electron Configuration:Ìý[He] 2s22p3Ìý
Year Discovered: 1772
Discovered By:ÌýDaniel RutherfordÌý