Draw Lewis structure of Co3 ²-, No2–(please provide Full explanation)
Answers
Explanation:
1) CO3 2- is carbonate.a carbonate is a salt of carbonic acid (H2CO3),characterized by the presence of the carbonate ion, a polyatomic ion with the formula of CO3 2-. The name may also mean an ester of carbonic acid, an organic compound containing the carbonate group C(=O)(O–)2.
A step-by-step explanation of how to draw the CO32- Lewis Structure (Carbonate Ion). The Carbonate ion is used frequently in chemistry and worth spending time to fully understand.
CO32- is an anion (a negative ion) seen frequently in chemistry.
In the CO32- Lewis structure carbon is the least electronnegative element. Therefore it is put in the center of the dot structure.
For the CO32- Lewis structure there are a total of 24 valence electrons available.
For the CO32- Lewis structure the total number of valence electrons (found on the periodic table) for the CO32- molecule. Once we know how many valence electrons there are in CO32- we can distribute them around the central atom with the goal of filling the outer shells of each atom. Only use the number of available valence electrons we calculated earlier. Also note that you should put the CO32-.
2) Lewis structure in brackets with a 2- on the outside to show that it is an ion with a negative two charge.
Lewis structure of NO2- ion is drawn in this tutorial. Total valence electrons of nitrogen and oxygen atoms and negative charge also should be considered in the drawing of NO2- lewis structure.
lewis structure of NO2-
Now, we are going to learn, how to draw this lewis structure.
Steps of drawing NO2- lewis structure
Following steps are required to draw NO2- lewis structure and they are explained in detail in this tutorial.
Find total number of electrons of the valance shells of nitrogen and oxygen atoms and charge of the anion
Total electrons pairs
Center atom selection from nitrogen and oxygen atom
Put lone pairs on atoms
Stability of lewis structure - Check the stability and minimize charges on atoms by converting lone pairs to bonds.
Drawing correct lewis structure is important to draw resonance structures. In another tutorial, we draw NO2- resonance structures.
Total number of electrons of the valance shells of nitrogen and oxygen atoms and charge of the anion
There are one nitrogen atom and two oxygen atoms in the nitrite ion. Also there is a -1 charge.
Nitrogen and oxygen are located at VA and VIA groups respectively in the periodic table. So nitrogen has five electrons in its valence shell. In oxygen atom, there are six electrons in its valence shell.
Total valence electrons given by nitrogen atom = 5
There are two oxygen atoms in NO2-, Therefore
Total valence electrons given by oxygen atoms = 6 *2 = 12
Due to -1 charge, another electrons is added
Due to -1 charge, received electrons = 1
Total valence electrons = 5 + 12 + 1 = 18.
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