Chemistry
Grade-9
Easy
Question
Which is the correct formula for sodium chloride?
- SoCl
- SdCl
- NaCl
- NaCl2
Hint:
Sodium chloride is a diatomic compound.
The correct answer is: NaCl
- Sodium is a metal, its symbol is Na. As it's a metal it'll form cation Na+.
- Chlorine is a halogen, its symbol is Cl. It completes its valence shell by forming the anion Cl-.
- Sodium cation and chlorine anion combine to form NaCl.
- Sodium chloride is a common salt with the formula NaCl.
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