Recent content by Johannah Wu

  1. J

    Why is the relative atomic mass always changing?

    And why the range of changing is different when we use different atoms as standards?
  2. J

    Why hydrogen is not used to compare the relative atomic mass

    Is that because of some historical reasons or E=mc2(i mean something about binding energy)?
    • Johannah Wu
    • Thread
    • Atomic Atomic mass Compare Hydrogen Mass Relative
    • Replies: 1
    • Forum: Chemistry