Perform the following operation. Express the answer in scientific notation and with the correct number of significant figures. 0.002115m x 0.0000405m
GENERAL CHEMISTRY: CHAPTER 2 09/06/2016 MATTER Mixtures o Homogenous: Same throughout material, single phase (liquid, solid, gas) Ex. Salt Water, Air o Heterogeneous: Mixture, more than one phase Ex. Oil & Water , Sulfate & Iro(s)S & (s)), 2eS (Pyrite), Salt & Sand Pure Substances o Elements: The simplest type of substance with unique chemical and physical properties. An element cannot be broken down into simpler substances Atoms: Single element Molecules: Discrete entity, 2 or more atoms Ex. Sugar (Sucrose) o Compounds: Has a constant co