Which of the following substances is both heteroatomic and triatomic? A) HCN B) H₂O₂ C) P₄ D) H₂CO₃

Name: Which of the following substances is both heteroatomic and triatomic? A) HCN B) H 2 O 2 C) P 4 D) H 2 CO 3
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HCN (hydrogen cyanide) is a molecule with three atoms: one hydrogen atom, one carbon atom, and one nitrogen atom. It is also heteroatomic because it contains atoms of different elements. The other choices are not triatomic or do not contain atoms of different elements.

Which of the Following Substances Is Both Heteroatomic and Triatomic