Option C is correct. The Sodium combined with Chlorine to form an ionic compound.
Ionic Compound:
These are the compounds that are made up of two ions, one positive and one negative. In the solution, they conduct electricity. They formed when a metal interacts with a non-metal.
For example- NaCl
- NaCl in the water solution form positive Sodium and Negative Chlorine ion.
- The solution of NaCl conduct electricity,
- Na is a metal while Cl is a non- metal.
- Oxygen, Carbon and phosphorus are non-metal, they will not form an ionic compound.
Therefore, the Sodium combined with Chlorine to form a an ionic compound.
To know more about ionic compounds, refer to the link:
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