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Q: What atomic or hybrid orbitals make up the sigma bond between C2 and H in ethylene CH2CH2?
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What is the difference between bonding and anti bonding molecular orbital?

Electrons in a bonding orbital have lower energy levels than the average energy of a valence electrons in the isolated atoms between which the orbital is formed. Antibonding orbitals do not meet this criterion, so that anitbonding orbitals can be stable only in conjunction with bonding orbitals, whereas bonding orbitals can be formed without any accompanying antibonding orbitals.The molecular orbitals which is formed by the addition of atomic orbitals is called bonding molecular orbitals.The molecular orbitals which is formed by the subtraction of atomic orbitals is called antibonding molecular orbitals.


How is a molecular orbital formed?

In molecular orbital theory, MO theory, molecular orbitals are "built" from atomic orbitals. A common approach is to take a linear combination of atomic orbitals (LCAO), specifically symmetry adapted linear combinations (SALC) using group theory. The formation of a bond is essentially down to the overlap of the orbitals, the orbitals being of similar energy and the atomic orbital wave functions having the correct symmetry.


Do atomic orbitals have an exactly defined size?

No


Why sigma bond is formed?

By the overlap of atomic orbitals. In valence bond theory these atomic orbitals may be s, p or d orbitals or "hybrids" such as sp3. This is a complex area and the above is a very simple explanation.


Is it true that with hybridization several atomic orbitals overlap to form the same total number of equivalent hybrid orbitals?

True.

Related questions

In C2H4 what are the atomic orbitals that participate in forming the sigma bond between the C and H atoms?

sp3 sp3 orbitals overlap Could you please explain why? :) Thank you!!


What are the different electronic orbitals?

atomic orbitals and electron orbitals


What two atomic orbitals or hybrid atomic orbitals overlap to form the c equals c bond in ethene?

sp2 hybrid orbitals overlap.


What is the difference between bonding and anti bonding molecular orbital?

Electrons in a bonding orbital have lower energy levels than the average energy of a valence electrons in the isolated atoms between which the orbital is formed. Antibonding orbitals do not meet this criterion, so that anitbonding orbitals can be stable only in conjunction with bonding orbitals, whereas bonding orbitals can be formed without any accompanying antibonding orbitals.The molecular orbitals which is formed by the addition of atomic orbitals is called bonding molecular orbitals.The molecular orbitals which is formed by the subtraction of atomic orbitals is called antibonding molecular orbitals.


What meant by hybridization of atomic orbital?

Hybridization of atomic orbitals is the intermixing of atomic orbitals having a approximate energy to form equal number of hybrid orbitals having the same shape, size and energy but pointing in different directions. The new orbitals which are formed are "hybrids" of the originals and have properties that are somewhere in between. For example, a common hybridization is sp3 where three p orbitals combine with an s orbital to form four new orbitals. Other combinations (such as sp and sp2) are also possible.


How is a molecular orbital formed?

In molecular orbital theory, MO theory, molecular orbitals are "built" from atomic orbitals. A common approach is to take a linear combination of atomic orbitals (LCAO), specifically symmetry adapted linear combinations (SALC) using group theory. The formation of a bond is essentially down to the overlap of the orbitals, the orbitals being of similar energy and the atomic orbital wave functions having the correct symmetry.


Do atomic orbitals have an exactly defined size?

No


What is the orbitals outside of the nucleus?

The "orbitals" round an atomic nucleus are electrons, in anti matter they are protons


Why sigma bond is formed?

By the overlap of atomic orbitals. In valence bond theory these atomic orbitals may be s, p or d orbitals or "hybrids" such as sp3. This is a complex area and the above is a very simple explanation.


How many 3d atomic orbitals exist?

The 3rd period contains 2 of the 3 orbitals for the third sublevel. It has the s and p orbitals in it.


How does a molecular orbital differ from an atomic orbital?

Molecular consists of multiple atomic orbitals


Which element has 28 electrons in its atomic orbitals?

silicon