Answer:
40 seconds chief just double it
Explanation:
Answer:
the number of neutrons in above isotope = A - Z = 27 - 13 = 14. Note: The molar mass of aluminium, which is average of atomic masses of all isotopes = 26.981538 g/mol, since 13Al27 is the major isotope.
Explanation:
Decomposed organic matter ,mud,silt ,and sand
Gasoline would be a mixture if I recalled