Which Formula Is Not Correct

question 26

Multiple Choice

Which formula is not correct?

• A) LiF
• B) Ca(NO₂)₂
• C) ​AlCl₂
• D) NaC₂H₃O₂
• E) MgS

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A short and striking or memorable phrase used in advertising or as a motto.

Standard Form

A recognized or conventional format for presenting information or arguments, typically used to ensure clarity.

Traditional Square of Opposition

A diagrammatic representation of the logical relationships between certain pairs of propositions in Aristotelian logic, showing contradictions, contraries, subcontraries, and subalternation.