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What else can I help you with?
What does rush sigma chi mean?
Sigma Chi is a fraternity. Rush is the process through which they recruit new members. Guys can "rush" Sigma Chi, meaning they want to join the fraternity.
Was Michelangelo a Kappa Sigma?
yes!
Are taste setter and sigma the same ceramic company?
Yes. In the 80's Sigma was a marketing company that came up with its own designs and had them manufactured by an assortment of producers, principally in Asia. The items were marketed under various names including Sigma, Taste Setter, etc.
Is sigma pottery made in US?
No manufactured in Japan. paul Clark.
Am I only limited to karate using the six sigma program or can I also take other forms of martial arts?
No there are many forms of martial arts with the two most popular being Mixed Martial Arts, and Karate. Kung Fu and other forms of fighting are instructed for various programs including six sigma.
Are sigma bonds more electrophilic than pi bonds?
No, pi bonds are generally more nucleophilic than sigma bonds because of the electron density distribution along the pi bonds, which allows for better overlap with nucleophilic species. Sigma bonds, on the other hand, are more localized between bonding atoms and have lower electron density, making them less reactive towards electrophiles.
Diffrentiate between sigma and pi bond?
Sigma bonds are those lie on the axis between two atoms. Pi bonds are non axial with electron density above and below. For example in methane the bonds are all single bonds and single bonds are always sigma bonds as the electron density maximum is between the two bonded atoms. this bond can be thought of being formed by the overlap of an sp3 hybrids orbital on the carbon and an s orbital on the hydrogen. In ethene (ethylene), a molecule where all of the atoms lie in the same plane, there is sigma bond (sp2 hybrid on each carbon overlapping) and a pi bond with electron density above and below the sigma bond which is formed by the overlap of p orbitals that are at right angles to the plane of the molecule. See wikipedia "ethylene" for pretty pictures.
What is a sigma bond?
A sigma bond is a molecular bond made by the joining of the wavefunctions of either an s to an s orbital, an s to a pz orbital, a pz to a pz orbital or a dz2 to a dz2 orbital. Sigma bonds are the strongest of the molecular bonds (the others being the pi and delta bonds) and has the maximum electron density directly between the nuclei with no nodal planes and cylindrical symmetry (for the bonding variety, since sigma antibonds have no electron density between the nuclei). For bonds between small elements (such as hydrogen, carbon, oxygen), one bond in a single, double, or triple bond is always a sigma bond (the others are pi bonds).
When going from a three sigma quality level to a six sigma quality level?
The number of defects is reduced exponentially.
Why alkyl group is an electron donating group when attached to a pi system please explain?
Alkyl groups show an effect called hyperconjugation. This is essentially the overlap of sigma bonds that are parallel to pi bonds/carbocations. The electron cloud from the hydrogen and carbon sigma bonds is able to coordinate with a pi system that is perpendicular to it. This makes the alkyl group indirectly resonance donating. You have to do some imagining to see the hyperconjugation. If you need help, get a molecular modelling kit or ask your professor.
The absence of sigma factor in RNA polymerase?
affects both initiation and elongation.....
Symmetrical bond along the axis between two nuclei?
A symmetrical bond along the axis between two nuclei refers to a sigma bond. In a sigma bond, the electron density is concentrated along the axis connecting the nuclei, resulting in strong overlap between the atomic orbitals involved in bonding. This type of bond allows for free rotation around the bond axis.
Six sigma as a performance management tool?
a six sigma performance level correspond to how many ppm
How do you predict a sigma or pi bond?
Sigma bonds are always formed between two atoms when their atomic orbitals overlap head-on, resulting in the highest electron density along the bond axis. Pi bonds are formed when two parallel p-orbitals overlap side-by-side, resulting in electron density above and below the bond axis. You can predict the type of bond based on the orientation of the overlapping atomic orbitals.
What does one electron from one atom and one electron from another atom form?
Together they form a chemical bond.A sigma or pi bond
Why pi bonds are more diffused than sigma bonds?
Pi bond is considered to be more diffused than Sigma bonds becauseSigma bonds are shorterProbability of finding an electron in a Sigma bond is greater on the inter-nuclear axis.
How many electron are in oxygen and hydrogen?
H-O-H Four altogether. Two per sigma bond. One electron from the hydrogen ( it's only one ) and one from the oxygen. in two seperate sigma bonds.
