N(C)=5,02·10²² atoms
calculation check:
N(C)=(1/12)*6.022*10²³=0.5018*10²³≈5.02·10²²
c) nervous and endocrine system
Hope I helped! ( Smiles )
the answer i believe is electrolytes.
Explanation:
I don't understand your question....
thank you
The answer would be periods 6-7 :)
