Q2) potassium nitrate has the formula kno3.
a) how many different elements are shown in this formula?
b) which element is represented by the symbol k?
c) what is the total number of atoms shown in the formula for potassium nitrate?
voi puteti sa-mi scrieti raspunsul in engleza cu traducerea in romana, ca sa inteleg si eu.
va rog mult de tot, imi trebuie !

The diagram illustrates the activity of vesicles during a cellular process.

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