TREE PHYSIOLOGY
PHOTOSYNTHESIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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O2 is the chemical formula for
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Oxygen
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Carbon Dioxide
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Glucose
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Water
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Explanation:
Detailed explanation-1: -The Symbol of oxygen is ‘O’ and the formula for oxygen is ‘O2’. The difference between the symbol and formula is that the symbol ‘O’ is a free oxygen atom whereas O2 is two oxygen atoms chemically bound to form an oxygen molecule.
Detailed explanation-2: -Oxygen is a chemical element with an atomic number of 8 (it has eight protons in its nucleus). Oxygen forms a chemical compound (O2) of two atoms which is a colorless gas at normal temperatures and pressures.
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