Electron angular momentum

Classical Mechanics Level 1

The angular momentum of an electron located in the ℓ = 4 \ell = 4 subshell of an atom can be expressed a ℏ . \sqrt{a}\hbar. What is the value of a ? a?


The answer is 20.

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July Thomas by July Thomas , 30, USA

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1 solution

July Thomas
Apr 26, 2016

Relevant wiki: Orbitals and Quantum Numbers

The angular momentum of an electron is L = ℓ ( ℓ + 1 ) ℏ . L=\sqrt{\ell(\ell+1)}\hbar. Here, ℓ = 4 , \ell = 4, so L = 4 ( 4 + 1 ) ℏ = 20 ℏ . L=\sqrt{4(4+1)}\hbar = \sqrt{20}\hbar.

So a = 20. a=20.

4 Helpful 1 Interesting 1 Brilliant 1 Confused

I still have no idea what that means;-;

Quest Underwood - 4 years, 9 months ago

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