Bell Model & Calcium Configurational Electrons: Explained?

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In summary, the conversation discusses a lookback at the current issue with the validity of EPR's aspect quantum chemistry, specifically regarding the modeling of Calcium's configurational electrons. There is a disagreement and a question about how Aspect's correlations occur if the photons are not entangled, and it is noted that the exact mechanism of entangled pair production and Parametric Down Conversion is not known.
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After a lookback at the current flap on EPR's validity I found that the Aspect Quantum Chemistry seemed to be invalid in that the modeling involved Calcium's configurational electrons. The model assumes that there are a pair of valence (4s) electrons and a pair of 4p electrons?? There are only 3p electrons - there are six of them all of equal momentum and that are more stable than the 3s orbital of calcium. There may be an explanation of how that could happen - does anyone know? Cheers, Jim
 
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NEOclassic said:
After a lookback at the current flap on EPR's validity I found that the Aspect Quantum Chemistry seemed to be invalid in that the modeling involved Calcium's configurational electrons. The model assumes that there are a pair of valence (4s) electrons and a pair of 4p electrons?? There are only 3p electrons - there are six of them all of equal momentum and that are more stable than the 3s orbital of calcium. There may be an explanation of how that could happen - does anyone know? Cheers, Jim

Besides my disagreeing with your assessment, what is your point? How do Aspect's correlations occur if the photons are not entangled? In other words, it is not really so critical that we know the exact mechanism of entangled pair production - although of course it is desirable - if we can witness the entanglement.

The exact mechanism of Parametric Down Conversion (PDC) - which is now used for many Bell tests - is not known either.
 
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The Bell Model and Calcium Configurational Electrons are two concepts that are often discussed in the field of quantum chemistry. The Bell Model, named after physicist John Stewart Bell, is a theoretical framework that explains the phenomenon of quantum entanglement. It proposes that particles can become entangled, or connected in such a way that the state of one particle can affect the state of another, even if they are separated by large distances. This model has been a subject of debate and controversy in the scientific community, particularly in relation to its validity and implications for the understanding of quantum mechanics.

On the other hand, Calcium Configurational Electrons refer to the arrangement of electrons in the outermost energy level of a calcium atom. The model assumes that there are two pairs of electrons in the 4s and 4p orbitals, which are the outermost energy levels of calcium. However, the content mentions that there are only three 4p electrons in a calcium atom, instead of four as assumed by the model. This discrepancy raises questions about the validity of the model and whether there could be an explanation for this difference.

One possible explanation for this discrepancy could be the concept of electron configuration. According to the Aufbau principle, electrons fill orbitals from the lowest energy level to the highest. This means that the 4s orbital, which has a lower energy than the 3p orbital, may be filled before the 3p orbital. Therefore, in some cases, the 4s orbital may have more electrons than the 3p orbital, resulting in a different number of electrons in the outermost energy level.

In conclusion, the Bell Model and Calcium Configurational Electrons are two important concepts in the field of quantum chemistry. While the Bell Model has been a subject of debate, the discrepancy in the number of electrons in the outermost energy level of calcium may have a possible explanation in the concept of electron configuration. Further research and study are needed to fully understand and explain this phenomenon.
 

1. What is the Bell Model?

The Bell Model is a simplified atomic model proposed by physicist John Stewart Bell in 1964. It is used to describe the behavior of electrons in an atom, specifically their motion and energy levels.

2. How does the Bell Model differ from other atomic models?

The Bell Model differs from other atomic models in that it takes into account the concept of spin, which is the intrinsic angular momentum of an electron. This allows for a more accurate description of the electron's behavior and energy levels.

3. What is the role of calcium in the Bell Model?

Calcium is used as an example in the Bell Model to explain the concept of configurational electrons. Configurational electrons are those that are located in the outermost energy level of an atom and are responsible for an element's chemical properties.

4. How does the Bell Model explain the electron configuration of calcium?

The Bell Model explains the electron configuration of calcium by showing that it has 20 electrons, with two located in the first energy level, eight in the second energy level, and eight in the third energy level. These eight electrons in the outermost energy level give calcium its chemical properties.

5. What are the practical applications of understanding the Bell Model and calcium configurational electrons?

Understanding the Bell Model and calcium configurational electrons can help scientists predict the chemical behavior and reactions of elements. This knowledge is crucial in fields such as chemistry, biology, and materials science where the properties of elements and compounds are studied and utilized.

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