NSS Chemistry Part 6 Microscopic World II (HKAL Past paper questions) 1. [HKAL 1985 I Q1a] Define the term dative covalent bond. Give one example to illustrate your answer.…
http://www.chem.ox.ac.uk/vrchemistry/foundation.html PREUNIVERSITY CHEMISTRY COURSE 1. A view from a distant universe Introduction Many reasons can be given for studying…
1. UNIT 2: Finding Patterns Chemistry 2. Physics and the Quantum Mechanical Model Neon advertising signs are formed from glass tubes bent in various shapes. An electric…
Slide 1Look at the following patterns. What are the patterns based on? What do you observe? A, 2, 3, 4, 5, 6, 7, 8, 9, 10, J, Q, K 1, 4, 9, 16, 25, 36, 49, 64, 81 3, 6, 9,…
1.Lecture 2: Atoms, Molecules & Life Covers Chapter 2 2. • Yesterday we talked about the fact that all matter (and life as well, because life is made of matter) is…
Slide 1 Chemistry 125: Lecture 14 October 4, 2010 Checking Hybridization Theory with XH 3 Infrafred and electron spin resonance experiments with three XH 3 molecules confirm…
Slide 1 Ionic Bonding Slide 2 Elements Goal = Stability Elements want to be stable In order to be stable they need to fill their outermost energy level completely – “Complete…
Slide 1 Ch5 Modern Atomic Theory Mrs. Medina 1 Slide 2 Why do metals glow when heated? 2 Slide 3 Models of the Atom A model should explain not just what the material is made…