1 / 1

10 likes | 207 Views

2+. 1s 2. 2+. n+. 1+. 1+. 1s. ENERGY OF ELECTRONS – ENERGY CONSERVATION. 1. IONIZATION ENERGIES. E I1 = +2375. E I2 = +5248. 2+. Repulsion. 1s 1. He 2+. He. He +. Energy kJ/mol. 0. E i1 = + 2375. -2375. E He electron. E i2 = + 5248. electron lower energy

Download Presentation
## 1s 2

**An Image/Link below is provided (as is) to download presentation**
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.
Content is provided to you AS IS for your information and personal use only.
Download presentation by click this link.
While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

**2+**1s2 2+ n+ 1+ 1+ 1s ENERGY OF ELECTRONS – ENERGY CONSERVATION 1. IONIZATION ENERGIES EI1 = +2375 EI2 = +5248 2+ Repulsion 1s1 He2+ He He+ Energy kJ/mol 0 E i1 = + 2375 -2375 E He electron E i2 = + 5248 electron lower energy (more negative) since has more attraction to nucleus E destabilization from e repulsion -5248 E He+electron E i1 + E destabilization = E i2 ENERGY CONSERVATION photon 2. PHOTOELECTRIC EFFECT E kin y = mx + b E in = E out hn = E ion + E kin OR n b E kin = hn – b OR E kin + b = hn OR E kin + E ion = hn ENERGY CONSERVATION ENERGY CONSERVATION photon + energy in 1+ Heat, electrical E 3. H EMISSION SPECTRA 2s 0 n = 2 -328 E = -1312/n2 DE electron = E1 – E2= -1310 – (-328) = - 982 (DE electron = E final – E initial = E1 – E2) n = 1 -1310 kJ/mol ENERGY CONSERVATION DE electron + E photon = 0 or- DE electron = E photon = hn = 982 kJ/mol

More Related