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Subham Roni

Bohr's theory

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Do you know how Bohr derive his formal and the whole thing behind. If you know this you know the answer to your question.

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the most remarkable of Bohrs theory was in explaining the spectrum of Hydrogen and hydrogen-like atoms, it could not explain the spectrum of many electrons

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In Bohr's original theory there was only one quantum number and orbits were considered circular.

 

Later models introduced three more quantum numbers to account for the angular momentum, spin and the fact that the orbits should be considered elliptical. This was called the vector model.

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Bohr derived his formula using one the centrifugal and centripetal forces of electron and nucleus.

But why can't we consider the electron in 2nd orbit?

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Bohr derived his formula using one the centrifugal and centripetal forces of electron and nucleus.

But why can't we consider the electron in 2nd orbit?

Yes, you can consider the electron in 2nd orbit but still the atom must have one electron otherwise bohr's formula doesn't work with that of his assumptions.

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Bohr derived his formula using one the centrifugal and centripetal forces of electron and nucleus.

But why can't we consider the electron in 2nd orbit?

 

If you mean two electrons, then Bohr's theory won't work. There is no electron-electron interaction term in it, so it's not meant to apply to that situation.

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ohk understood! smile.png thanks everyone ! smile.png



Because that's not how the universe works.

A few decades ago, electrons were in fixed circular path. Now its a cloud and a particle with dual nature! No one can exactly say how the universe work! eyebrow.gif

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We can identify when things disagree with observations though. And it's about it 100 tyears ago and Bohr knew that it was incorrect when he derived it but it was better than anything else at the time.

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