University:
University of Cambridge
Course:
0620 IGCSE | Chemistry
Academic year:

2022
Views:

55

Pages:

2
Author:

Aku S

repel for apposite sign particles like a Proten and an electron the energy will go down as qi for either particle attracted for opposite sign particles like pt an an e the Ev as et for either Particles IEI↑ but ELO è state is most stable for high nuclear Charge, 1. Shielding e cover the nucleus so high n(shell) e see a smaller charge. Zeff (effective molecular charge) ZeffLZ (for n>1) 2. Penetration: lower I subshells are better at "Seeing through" (Penetration) the è shield 1 PHO 2 3 è configuration to get order of e shell filling use the aufbau principle Energy order of n 15 15 25 JP 35 3p us, 3d 4p5s... dese 353030 thphdh sh 5S 5P 58 5f 65 69 60 6f 123