Which of the following is not a compound?Methane, CH4Carbon dioxide, CO2Hydrogen, H2Water, H2O
Question
Which of the following is not a compound?Methane, CH4Carbon dioxide, CO2Hydrogen, H2Water, H2O
Solution
Hydrogen, H2 is not a compound. A compound is a substance formed when two or more chemical elements are chemically bonded together. In H2, only a single type of atom (Hydrogen) is present, so it is not a compound but a molecule. Methane (CH4), Carbon dioxide (CO2), and Water (H2O) are all compounds because they consist of different types of atoms chemically bonded together.
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