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17 September, 20:49

How many oxygen atoms and are present in this water molecule 2H2O?

(note * the number 2 after H is a subscript)

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Answers (2)
  1. 17 September, 20:55
    0
    4. Hydrogen atoms and 2 oxygen atoms
  2. 17 September, 21:19
    0
    Answer: 4 hydrogen atoms and 2 oxygen atoms.

    Explanation:

    For example, two water molecules (2H2O) contain 2 • 2 = 4 hydrogen atoms and 2 • 1 = 2 oxygen atoms.
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