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Physical Sciences
Chemistry
Atomic Structure
Calculate the value of theshielding constant if the first ionosaton energy of Helium is 3.98x10ᴧ -19 J/mol
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http://www.wikihow.com/Determine-Screening-Constant-and-Effective-Nuclear-Charge
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Two copper cylinders, immersed in a water tank at 46.3°C contain helium and nitrogen, respectively. The helium-filled cylinder
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32
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http://en.wikipedia.org/wiki/Root_mean_square_speed
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Answered a later post.
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