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17 September, 20:27

What do the letters mean in H2O

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Answers (2)
  1. 17 September, 20:48
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    Hydrogen plus 2 oxygen = water
  2. 17 September, 21:01
    0
    The letters are known as Chemical symbols, as writing the full name would be a pain; H stands for hydrogen, and O stands for oxygen.
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