physical science

O = oxygen

o2 = ???

it ask for us to name the substance.

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩
  1. (diatomic) oxygen, oxygen gas, or just "oxygen"

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩

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