In the mitochondria, electrons which have been released from a carbohydrate food molecule in the course of its degradation to CO2 are transferred through the membrane by a chain of electron carriers, finally reducing O2 to form water.
Because they have octet structure
The atom is krypton and its symbol is Kr.
the mass number is 41 + 36 = 77
its charge is 0 as it is a noble gas.
Answer:
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because it has the fewest number of electrons
it is not a prescription drug