andreanelson1797 andreanelson1797
  • 19-09-2018
  • Chemistry
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Relatively how much more rapid is the diffusion of hydrogen gas compared to neon gas

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Аноним Аноним
  • 19-09-2018
A colourless obourless gaseous elements that gives a red Glow in a vacuum tube
A. nonmetallic univalent elements that is normal a colourless
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