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

Question

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Homonuclear molecules are those composed of only one type of atom. Tetraatomic molecules have four atoms. The only option that fits both criteria is P₄, which is a molecule composed of only phosphorus atoms and has four of them. The other options consist of multiple types of atoms, or do not have four atoms.

Which of the Following Substances Is Both Homoatomic and Tetraatomic