Final answer:
Lewis structures are diagrams that describe the bonding in molecules and polyatomic ions. For CH₂O, which is formaldehyde, the Lewis structure can be written as H-C=Ö:. Isomers of CH₂O include dimethyl ether and acetaldehyde, which have different structural arrangements and properties.
Step-by-step explanation:
Lewis structures are diagrams that describe the bonding in molecules and polyatomic ions. For CH₂O, which is formaldehyde, the Lewis structure can be written as H-C=Ö:, where the central carbon atom is bonded to two hydrogen atoms and one oxygen atom through single and double bonds, respectively. Lone pairs on the oxygen atom are usually omitted in Lewis structures.
However, you asked for examples of Lewis structure isomers of CH₂O. Isomers are molecules that have the same molecular formula but different arrangements of atoms. One possible isomer for CH₂O is dimethyl ether, which has the structure H3C-O-CH3. Another isomer is acetaldehyde, which has the structure H3C-C=Ö:.
It's important to note that these two isomers have different properties and chemical reactivity due to their different structural arrangements.