Why is calcium dichloride not the correct systematic name for CaCl2?
BN Chapter 2: Atoms, Molecules, and Ions 2.1: The Early History of Chemistry Greeks first to try to explain chemical changes (400BC) o All matter composed of 4 elements: Fire, earth, water, and air o Matter Matter is continuous (infinitely divisible into smaller pieces) OR Composed of small indivisible particles o Democritus Atomos=atoms Supported small indivisible particles o No definite answer b/c no experiments Alchemy (next 2000 yrs) o Mystics obsessed w/ idea of turning cheap metal into gold o Discovery: How to prepare mine