CHEM 281 Lecture Notes - Lecture 1: Beryllium Hydride, Linear Combination Of Atomic Orbitals, Phosphorus Pentachloride

• School: Queen's University
• Department: Chemistry
• Course: CHEM 281
• Professor: John Carran

Document Summary

1. 1: organic chemistry is chemistry of compounds that contain carbon elements. Inorganic chemistry is chemistry that doesn"t involve carbon: carbon atoms are the central atoms to the central structure of living organisms and therefore to existence of life on earth, we exist because of carbon atoms. Carbons that make up our bodies were formed from stars we are stardust: vitalism study that suggested that organic compounds only came from living things that could synthesize organic compounds through a vital force, not true. Z and subtract the isotope number by z. Ben liang: metals are generally low electronegativity, non-metals like fluorine have the strongest electronegativity. Ions form because atoms can form configuration of noble gas by gaining or losing electrons: lithium and fluorine are stabilized when they react to form crystalline lithium fluoride. Ionic substances because of stability and strong internal electrostatic forces are high melting solids. Ions solvate in polar solvents (water) and solutions usually conduct electric current.