Respuesta :

Answer:

The answer to your question is 12 atoms

Explanation:

Data

Number of atoms = ?

Molecule = ammonia

Process

1.- Calculate the number of atoms on ammonia

    NH₃  =   1 atom of Nitrogen and 3 atoms of hydrogen

2.- Calculate the total number of atoms considering the coefficient 3

  3(NH₃) = (1 x 3) atoms of Nitrogen + (3 x 3) atoms of hydrogen

   3(NH₃) = 3 + 9

   3(NH₃) = 12 atoms

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