Sodium atoms replace chlorine atoms. Sodium and chlorine atoms mix together. Sodium atoms dissolve in chlorine atoms. Sodium and chlorine atoms bond chemically.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: When table salt (NaCl) is produced, which of the following best describes the actions of the sodium (Na) and chlorine (Cl) atoms?
Possibilities:
- Sodium atoms replace chlorine atoms.
- Sodium and chlorine atoms mix together.
- Sodium atoms dissolve in chlorine atoms.
- Sodium and chlorine atoms bond chemically.

Sodium and chlorine atoms bond chemically.