Question

What is Quantum Mechanical Model ?
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Answer 1

Answer:

Erwin Schrödinger proposed the quantum mechanical model of the atom, which treats electrons as matter waves. ... An atomic orbital is defined as the region within an atom that encloses where the electron is likely to be 90% of the time.

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Answer 2

Answer:

Erwin Schrödinger proposed the quantum mechanical model of the atom, which treats electrons as matter waves. ... Electrons have an intrinsic property called spin, and an electron can have one of two possible spin values: spin-up or spin-down. Any two electrons occupying the same orbital must have opposite spins.

Explanation:

Features of quantum mechanical model of atom

• The electrons in an atom have only quantized value of energy.

• These quantized values of energy are obtained from the solution of Schrodinger Wave Equation. ...

• The wave function Ψ is simply a function of coordinates of the electron and has no physical significance as such.