Here's the breakdown:
* Covalent Compounds: These compounds are formed when nonmetals share electrons to form bonds. The number of atoms involved in the sharing can vary greatly.
* Examples: Water (H₂O) has 3 atoms, Carbon Dioxide (CO₂) has 3 atoms, but Sugar (C₁₂H₂₂O₁₁) has 45 atoms.
* Ionic Compounds: These compounds are formed when metals and nonmetals transfer electrons, creating oppositely charged ions that attract each other.
Key takeaway: The number of atoms in a covalent compound is not fixed. It depends on the specific elements involved and their bonding arrangement.
