In the formation of CO 2, there are two particles; Carbon, and Oxygen. Dioxygen (O2) is used in cellular respiration by many living organisms, used to create energy along with sugars. Three Oxygens go around the Carbon. COVID-19 is an emerging, rapidly evolving situation. Therefore it is put in the center of the dot structure. b. Solution for The completed Lewis structure of (CO3)²- contains a total of covalent bonds and lone pairs. Each carbon oxygen bond can be thought of as 1.333 bonds. 2:57. Here is the Lewis dot structure for CO3(2-) There are 24 valence electrons in total. Since carbon is located in period 2 it does not have access to the d sublevel and must adhere to the octet rule. How many electron groups and how many lone pairs of electrons. Find 8 answers to Co3 -2 Lewis Structure question now and for free without signing up. We've used six. That's it: that's the Lewis structure for CO3 2-. Note: elements in the Period Three (usually S, P, or Xe) can have more than eight valence electrons. //-->. There are three σ bonds and π bond around carbon atom in the Lewis structure of CO 3 2-ion. The Lewis structure of the carbonate ion has two (long) single bonds to negative oxygen atoms, and one short double bond to a neutral oxygen. CO 3 2-Lewis structure. Carbon has four valence electrons, Hydrogen has one valence electrons and like all halogens, Chlorine has seven valence electrons. Add that all up: 4 plus 18 plus 2: 24 valence electrons. So -1 plus -1, that does match up with what we have for the carbonate ion here.