I have attached the picture ot the H<span>aworth structure of glucose.
You can count in total 6 carbon atoms but only 5 are in the ring portion of the structure.
Therefore, the answer is 5.
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It is unique because we can drink from it .
It would be 35.8 Calories or calories. Not sure about that part. Hope this helps though.
When an atom combines chemically with another atom, it either gains, loses, or shares ELECTRONS.