Lewis Structures Each electron is represented by a dot. A pair of electrons by two dots,or a dash. H H H:C:H or H H ⅱ H methane H H HH H:C:C:H or H一 HH H H ethane Each carbon is surrounded by 8 electrons Each hydrogen is surrounded by 2 electrons. Chol Introduction (landscape) Page 10Ch01 Introduction (landscape) Page 10 Lewis Structures Each electron is represented by a dot. A pair of electrons by two dots, or a dash. Each carbon is surrounded by 8 electrons Each hydrogen is surrounded by 2 electrons