Consider the provided Lewis structure and fill in the following blanks with numerical answers (just the number, no words). H :O: H H-N H-C-H :S: H How many lone pairs are shown in this Lewis structure? 7 How many total electrons are depicted in this Lewis structure? 21
Formal Charges
Formal charges have an important role in organic chemistry since this concept helps us to know whether an atom in a molecule is neutral/bears a positive or negative charge. Even if some molecules are neutral, the atoms within that molecule need not be neutral atoms.
Polarity Of Water
In simple chemical terms, polarity refers to the separation of charges in a chemical species leading into formation of two polar ends which are positively charged end and negatively charged end. Polarity in any molecule occurs due to the differences in the electronegativities of the bonded atoms. Water, as we all know has two hydrogen atoms bonded to an oxygen atom. As oxygen is more electronegative than hydrogen thus, there exists polarity in the bonds which is why water is known as a polar solvent.
Valence Bond Theory Vbt
Valence bond theory (VBT) in simple terms explains how individual atomic orbitals with an unpaired electron each, come close to each other and overlap to form a molecular orbital giving a covalent bond. It gives a quantum mechanical approach to the formation of covalent bonds with the help of wavefunctions using attractive and repulsive energies when two atoms are brought from infinity to their internuclear distance.
![**Title: Understanding Lewis Structures**
**Consider the provided Lewis structure and fill in the following blanks with numerical answers (just the number, no words).**
[Image of Lewis structure]
- Central Atoms: Two Carbon (C) atoms
- Bonds:
- Nitrogen (N) bonded to Carbon with a single bond
- Oxygen (O) bonded to Carbon with a double bond
- Sulfur (S) bonded to Carbon with a single bond
- Additional Elements Attached:
- Hydrogen (H) atoms are bonded to Nitrogen and Carbon
- Lone Pairs are visible on Oxygen and possibly Sulfur
**Questions:**
1. How many lone pairs are shown in this Lewis structure?
**Answer:** 7
2. How many total electrons are depicted in this Lewis structure?
**Answer:** 21
This educational content helps students to visualize and calculate key aspects of molecular structure using Lewis diagrams, fostering a deeper understanding of chemical bonding and electron arrangement.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa569f4a8-14fb-4989-a1a7-b30887b91567%2Fd5aa8cfe-9673-42e4-9a50-059c19c86673%2Fs7ugmr_processed.jpeg&w=3840&q=75)
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