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No, not exactly. It is an ionic compound so it would not have a Lewis dot structure. However, the carbonate anion, CO3^2- does have a Lewis dot structure.
CaCO3 does not have a lewis structure because this molecule is composed of ions. (Ca+2 and CO3-2). you have to draw the lewis structure of the ions separately, as shown in the parenthesis.
Using the periodic table of elements you can find the oxidation number of NaHCO3. Na has a charge of +1 so it's oxidation number is +1. H has a charge of +1 so again, the oxidation number is +1. CO3(carbonate) has an oxidation number of -2. As far as I know, you can find the oxidation number for CO3 because all charges together come out to be zero. With Na and H adding up to 2, CO3 can be seen to be -2. Also, CO3 is -2 because it's Lewis structure is two electrons short from being complete.
there are 62 electrons in co3 2-
The chemical formula of lead(IV) carbonate is Pb(CO3)2.
2 dots
Mn (CO3)2 numbers must be in subscript.
lewis structure of Cl2O7
Carbonic acid(H2CO3/H(CO3)2
Lewis structure was created in 1916.
2
Fe+3 CO3-2