CHEM 111 Lecture Notes - Lecture 13: Covalent Bond, Boron, Pauli Exclusion Principle
14 Oct 2016
School
Department
Course
Professor
Document Summary
Chem 111 lecture 13 chapter 8. Required to have 2 with opposite signs. A particular distribution of electrons among available sub shells. N values are 1 and 2, l is s and s, 2 and 1 electrons available to each shell. That is also known as li (photon number 3) Each orbital is represented by a circle. No two electrons can have the same four quantum numbers. An orbital can only hold at most 2 electrons that must have opposite spins. 2e with opposite sins cancel each other. Two types of attraction substances: paramagnetic substance: weakly attracted by a magnetic field, diamagnetic substance: not attracted by a magnetic field, ferromagnetic substance: strongly magnetic. Carbon is an example of a ferromagnetic substance it creates strong bonds. There are 3 periodic properties: atomic radius, electron affinity. In a period (left and right), electrons are added to same valence shell. In a group (up and down), valence shell farther from nucleus.
