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10 May, 07:09

Which of these is a compound?

О

co2,

O2,

Co

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Answers (1)
  1. 10 May, 07:34
    0
    co2 is a compound.

    Explanation:

    Oxygen (O) is an element having atomic number 8 and mass number 16.

    Carbondioxide is a compound formed by burning of carbon and organic compound and it is a colorless and odorless gas.

    O2 is the molecular form of Oxygen.

    Cobalt (Co) is an element having atomic number 27 and mass number 59.
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