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  1. E

    Nitrogen versus Argon

    It steadies the binoculars. ;)
  2. E

    Nitrogen versus Argon

    Nitrogen has an atomic number of 7, whereas argon has an atomic number of 18. Hence, argon is larger as John said. Larger molecules don't leak as easily as do smaller molecules. Another issue is that argon is much, much less likely to react than nitrogen with other elements. This would make...
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