Respuesta :

ardni313

Total number of atoms = 5

Further explanation

The formula of a compound shows the composition of the constituent elements

CaCO₃ is composed of 3 types of atoms, namely Ca, C and O

The amounts of each of these atoms in the compound CaCO₃:

  • Ca = 1
  • C = 1
  • O = 3

Then total number of atoms :

[tex]\tt 1+1+3=5[/tex]