Chemistry worksheet on covalent bonding with problems and Lewis structures for H₂O, C₂H₅OH, CCl₂Br₂, and CH₂O₂.
A worksheet titled "Worksheet #4 - Covalent Bonding" showing four chemistry problems involving molecules H₂O, C₂H₅OH, CCl₂Br₂, and CH₂O₂. Each problem includes calculations for valence electrons, octet electrons, and number of bonds, with Lewis structure illustrations drawn in the provided cells.