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### Energy Levels

Posted: **Thu Oct 10, 2019 5:27 pm**

by **Cynthia Gong 1L**

Can someone pls explain why n=1 is the ultraviolet region, but when an electron drops down from a higher level, it loses energy? I was under the assumption that waves in the ultraviolet region have higher energy.

### Re: Energy Levels

Posted: **Thu Oct 10, 2019 5:37 pm**

by **WesleyWu_1C**

So first off there is a conservation of energy. Thus when an electron drops from a higher level, it's energy actually decreases more and becomes more negative. To balance out this negative change, electromagnetic radiation is emitted with positive energy. Also, the gap/energy difference between n=2 and n=1 is the largest gap/energy difference between any two energy levels. Thus, it would make sense if an electron fell from n=2 to n=1, that the electromagnetic radiation emitted would have really high energy.

I hope this helps.

### Re: Energy Levels

Posted: **Thu Oct 10, 2019 5:37 pm**

by **Sahil Jog 1F**

Yes, UV radiation has the highest energy. To visualize this better, imagine higher energy levels (n=5, n=6) as a hill. So, at the top of the hill we might have n=6 and at the bottom we have n=1. And as the electron absorbs the high energy of UV radiation, the electron jumps to the top of the hill (n=6), but then eventually it has to come down from where it started (n=1) and in order to do this, it must release the same energy photon as the one received. And thus, the electron dropping from n=6 to n=1 would be a release of UV radiation, a high energy wave.

### Re: Energy Levels

Posted: **Thu Oct 10, 2019 5:43 pm**

by **madijohnson_4A**

UV radiation is the highest energy. Everything related to n=1 is in the UV region because it takes the most energy to go from n=1 to any other energy level due to the inverse squared relationship of n in the empirical equation for the H-atom: En= -(hR)/(n)^2.

### Re: Energy Levels

Posted: **Fri Oct 11, 2019 1:29 am**

by **Tooba_1A**

UV radiation is the highest energy, but as the n is dropping from points like '6' to '4', the loss of energy is too much and has to compensate by release electromagnetic radiation.

### Re: Energy Levels

Posted: **Fri Oct 11, 2019 4:06 pm**

by **chrischyu4a**

It is in the ultraviolet region because the gap between n=1 and n=2 has the greatest gap compared to the other energy which results in the greatest energy release which can be associated to the ultraviolet region.

### Re: Energy Levels

Posted: **Fri Oct 11, 2019 4:11 pm**

by **Callum Guo 1H**

UV radiation has the highest energy. Anything that deals with n=1 is in the UV region because it takes the most amount of energy to go from it.

### Re: Energy Levels

Posted: **Fri Oct 11, 2019 4:32 pm**

by **505316964**

The N=1 is known as the ground state. The gap between N=1 and N=2 is the largest, meaning it has the largest release of energy. The ultraviolent region is the largest release of energy.

### Re: Energy Levels

Posted: **Fri Oct 11, 2019 6:19 pm**

by **Natalie C 1K**

when an electron drops down from a higher energy level into n=1, a large amount of energy is released, which corresponds to the ultraviolet region because it is the highest energy