Lewis Dot Structures With Resonance

Which of the following molecules exhibits resonance? A) $CO_{2}$ B) $H_{2}O$ C) $O_{3}$ D) $NaCl$

Which of the following is a valid resonance structure for the carbonate ion, $CO_{3}^{2-}$? A) $O=C(O)O^{-}$ B) $[O=C(O)O^{-}]$ C) $O=C(O^{-})O$ D) All of the above

What is the total number of resonance structures for the nitrate ion, $NO_{3}^{-}$? A) 1 B) 2 C) 3 D) 4

Which of the following statements about resonance structures is true? A) They represent the actual structure of the molecule. B) They show the same arrangement of atoms. C) They must have the same number of electrons. D) Both B and C.

Which molecule has resonance structures involving a formal charge of +1 on oxygen? A) $C_{2}H_{4}$ B) $NO_{2}$ C) $CH_{3}OH$ D) $H_{2}O$

What is the main feature of a resonance hybrid? A) It has a single, definitive structure. B) It is a blend of all resonance forms. C) It contains only single bonds. D) It must have an octet for all atoms.

Which of the following represents a molecule with resonance structures? A) $CH_{4}$ B) $N_{2}$ C) $C_{2}H_{2}$ D) $SO_{2}$

In which of the following pairs of molecules does only one have resonance structures? A) $N_{2}$ and $NO_{2}$ B) $CO_{2}$ and $SO_{2}$ C) $C_{2}H_{2}$ and $C_{6}H_{6}$ D) $C_{3}H_{6}$ and $C_{3}H_{8}$

Which of the following statements is false regarding resonance structures? A) They all represent the same molecule. B) They differ in the arrangement of electrons. C) They can have different formal charges. D) They all have the same number of atoms.