What is meant by the term ‘boundary surface diagram’?

1.	What is meant by the term ‘boundary surface diagram’?
Answer» A boundary surface is drawn in space for an orbital such that the value of probability density (ψ²) is constant and encloses a region where the probability of finding electron is typically more than 90%. Such a boundary surface diagram is a good representation of shape of an orbital. e.g., Boundary surface diagram of Is and 2s orbitals are spherical in shape.

Answer»

A boundary surface is drawn in space for an orbital such that the value of probability density (ψ²) is constant and encloses a region where the probability of finding electron is typically more than 90%.

Such a boundary surface diagram is a good representation of shape of an orbital.

e.g.,

Boundary surface diagram of Is and 2s orbitals are spherical in shape.

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What is meant by the term ‘boundary surface diagram’?

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