Which of the following are the correct number of atoms when this reaction is balanced : Fe + HCl ---> FeCl3 + H2

a
2, 3, 3
b
1,2,2
c
2, 6, 3
d
this is reaction is balanced


where’s the list ? the question is incomplete

when heated, the valance electrons increased their speed and transferred the heat from electron to electron.   i just took the test.

i will answer your question if you answer mine