lone pair In A Sentence
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- In molecular systems the lone pair can also result in a distortion in the coordination of ligands around the metal ion.
- Yeah, so also 4. We started with 10 valence electrons, we used up 6 of those as bonding electrons, so we have 4 left, which will be lone pair electrons.
- Because of the two lone pairs there are therefore 6 lone pair-bond pair repulsions.
- The deprotonation of the carboxyl group causes the lone pair of electrons to move down making carbon dioxide and separating from oxalosuccinate.
- A hydrogen bond results when this strong positive charge density attracts a lone pair of electrons on another heteroatom, which then becomes the hydrogen-bond acceptor.
- A nitrogenous base owes its basic properties to the lone pair of electrons of a nitrogen atom.
- For the sulfur, we start off with 6 valence electrons, minus 4 lone pair electrons, minus 2, taking in account our bonding electrons, so we end up with a formal charge of 0.
- A lone pair of 90-seat self-powered Budd Rail Diesel Cars ( RDCs ) were acquired for express service.
- So we need to add those 2 valence electrons left as lone pair electrons in our structure.
- For the carbon, we start with 4 valence electrons, we have 0 lone pair electrons minus 4, and we end up with a formal charge of 0.
- In furan a lone pair of the oxygen atom interacts with the ? orbitals of the carbon atoms.
- This is potentially due to a lead lone pair of electrons, also found in lead complexes with an imidazole ligand.
- Heterocycles are often activated towards cation-? binding when the lone pair on the heteroatom is in incorporated into the aromatic system ( e . g . indole, pyrrole ).
- And we give different names, depending on what kind of electrons we're dealing with, so, for example, with h c l here, we can talk about having bonded versus lone pair electrons.
- All of these particular cases contain a very electronegative element with an active lone pair of electrons - either oxygen or nitrogen.
- Conversely, when the lone pair does not contribute to aromaticity ( e . g . pyridine ), the electronegativity of the heteroatom wins out and weakens the cation-? binding ability.
- This is due to greater availability of the nitrogen lone pair.
- When this occurs, the pi-bond of the electrophile is converted into a lone pair on the oxygen.
- They can form a chemical bond between two atoms, or they can occur as a lone pair of valence electrons.
- So in oxygen we have a similar situation where, in fact, we are not going to promote any of the electrons because we have two lone pair electrons no matter what we do.
- Hydrogen ion from the acid and attaches it to the lone pair on the nitrogen.
- These minor differences suggest that the properties emergent from the delocalized N-lone pair and destabilization C = S and C = Se ? bond in thiourea and selenourea will also be similar.
- They're a lone pair, whose only friend is a dog named Chap.
- In this reaction, the lone pair on the adjacent Tyrosine hydroxyl abstracts the proton off the carboxyl group.
- It's a pair of lone FBI agents tracking a famous and active serial killer.
- Typically, such a ligand has more than one lone electron pair, such that it can serve as an electron donor to both the reductant and the oxidant.
- The pair of dots represents the lone electron pair on the nitrogen atom.
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