Total # of atoms in compound CO2 H2O NaCl H2SO4 CaCO3 K3N NaOH Mg3PO4 NH4Cl Na2Cr2O7
CO2
H2O
NaCl
H2SO4
CaCO3
K3N
NaOH
Mg3PO4
NH4Cl
Na2Cr2O7
3 atoms (1 Carbon + 2 Oxygen)
3 atoms (2 Hydrogen + 1 Oxygen)
2 atoms (1 Sodium + 1 Chlorine)
7 atoms (2 Hydrogen + 1 Sulfur + 4 Oxygen)
5 atoms (1 Calcium + 1 Carbon + 3 Oxygen)
4 atoms (3 Potassium + 1 Nitrogen)
3 atoms (1 Sodium + 1 Oxygen + 1 Hydrogen)
8 atoms (3 Magnesium + 1 Phosphorus + 4 Oxygen)
6 atoms (1 Nitrogen + 4 Hydrogen + 1 Chlorine)
11 atoms (2 Sodium + 2 Chromium + 7 Oxygen)
Snap a photo of your homework and get a step-by-step answer in seconds. You can ask follow-up questions until it makes sense.
Solve my question free Chemistry help Find a chemistry tutor© 2026 SnapAndSolve