transition of orbitals

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005321227
Posts: 90
Joined: Sat Sep 07, 2019 12:15 am

transition of orbitals

Postby 005321227 » Tue Dec 03, 2019 11:04 pm

Which of the following increase when the electron in a hydrogen atom undergoes a transition from the 1s-orbital to a 2p-orbital? (a) Energy of the electron. (b) Value of n. (c) Value of l. (d) Radius of the atom.

Can someone explain part d of this problem? what does the radius of the atom have to do with the transition of an electron from one orbital to another?

Brooke Yasuda 2J
Posts: 102
Joined: Sat Jul 20, 2019 12:17 am

Re: transition of orbitals

Postby Brooke Yasuda 2J » Tue Dec 03, 2019 11:29 pm

If an electron is in a higher energy orbital, then it is also in an orbital that is farther away from the nucleus. As a result, the radius of the atom is larger.

105289321
Posts: 49
Joined: Sat Sep 07, 2019 12:15 am

Re: transition of orbitals

Postby 105289321 » Sat Dec 07, 2019 9:31 pm

but if the energy level isn't increased, the addition of electrons reduces atomic radius


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