Law of Conservation of Mass

1
Chapter 2

• Law of Conservation of Mass
• Law of Definite Proportions
• Law of Multiple Proportions

2

• Daltons Atomic Theory
• Small atoms
• Identical
• Atoms go together to make compounds
• Reactions reorganize atoms
• Avogadros hypothesis
• Equal volumes contain equal moles

3

• Early atom
• Thomson
• CRT
• Electron
• Proton
• Millikan
• Radioactivity

4

• Rutherford
• Gold Foil Experiment
• Nuclear model

5

• Modern atomic model
• Electron, Proton, Neutron
• Isotopes
• Atomic symbol
• Molecules and Ions
• Polyatomic ions

6

• Periodic Table
• Layout
• Families to remember
• Nomenclature
• Binary Ionics
• Type 1 NaCl, MgF2, (NH4)2S
• Type 2 FeO, Fe2O3, AuS

7

• Polyatomic Ions
• X Family 17
• XO4- per _ ate
• XO3- _ ate
• XO2- _ ite
• XO- hypo _ ite
• Sulfate family
• SO42- _ ate
• SO32- _ ite

8

• Phospate family
• PO43- _ ate
• PO33- _ ite
• Others
• CN - OH - NO3- NO2-
• MnO4 - CrO4 2- Cr2O7 2-
• CO3 2- C2O4 2- C2H3O2 -
• NCS- O2 2- NH4 Hg22

9

• Binary Covalents
• 1 mono
• 2 di
• 3 tri
• 4 tetra
• 5 penta
• 6 hexa
• 7 hepta
• 8 octa
• 9 nona
• 10 deca
• CO2, SO3, N2S4

10

• Acids
• Without oxygen
• Hydro_ic acid
• HCl hydrochloric acid
• With oxygen
• No hydro and if the polyatomic ends in ate change
  to ic if ite change to ous
• HClO3 chloric acid
• H2SO3 sulfurous acid or sulfous acid