CHE 104 Lecture Notes - Lecture 1: Chemical Polarity, Covalent Bond, Lone Pair
24 Jan 2017
School
Department
Course
Professor
Document Summary
If there were no intermolecular forces everything would be in gas state intermolecular forces enable us to have liquid and solid states. Fully + particle with a fully - particle. Force of attraction= k x ((n+ e)(n- e))/(d2) Don"t need to mathematically solve this equation for class but understand general concepts. What would happen when you increase the charge of an electron? (charge is in the numerator) Notice that by increasing the numerator and having the same denominator that the force of attraction increases. What would happen if you increase the distance between the ions? (denominator) If you increase the distance the force of attraction decreases. Reminder: polar has regions of partial + and partial - charges (s+ and s-) Reminder: opposite charges attract, same charges repel. Look at molecular geometry by drawing lewis structure. Count lines and lone pair(s) to find shape. Oxygen will have 4 groups (2 lines and 2 lone pairs)
