Multiple choice general knowledge

Chemical formula for common salt

  1. Na2cl

  2. Nacl

  3. Nacl2

  4. nacl3
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Common salt (sodium chloride) has the chemical formula NaCl. The proper notation uses capital Na for sodium and lowercase l for chlorine. Options A, C, and D use incorrect capitalization or wrong stoichiometry - the standard 1:1 ratio of sodium to chlorine gives NaCl, not NaCl2 or other variants.

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