Slide 1Law of Conservation of Mass Antoine Lavoisier, ~ 1775 Law of Definite Proportions J.L. Proust, 1799 Slide 2 Law of Conservation of Mass In a chemical reaction, the…
Slide 1Atomic Theory Slide 2 Lets Take a Trip Through Time! Slide 3 Atomic Theories Timeline Name DemocritusDaltonThomsonRutherfordBohrSchrödinger Heisenberg Time Frame…
Slide 1Atomic Models Through Time Slide 2 Democritus @400 B.C. Theorized that if you were to cut something in half, then cut it in half again and again… Eventually you…
Slide 1Infrared in Organometallic compounds IR-basics Index Slide 2 Introduction IR is one of the first technique inorganic chemists used (since 1940) Molecular Vibration…
Slide 1 Slide 2 1. The ancient Greek philosopher Democritus coined what word for a tiny piece of matter that cannot be divided? a) Element b) Electron c) Atom d) Molecule…
Slide 1 Slide 2 CH.3 ELEMENTS, ATOMS AND ISOTOPES Slide 3 Dalton’s Atomic Theory (1808) I.All matter is made of atoms II.Each element has its own kind of atom. Atoms of…
Slide 1CHEMISTRY Slide 2 Atoms, Elements & the Periodic Table Describe the structure & parts of an atom.Describe the structure & parts of an atom. Identify the…
1.Rutherford and the nucleus British physicist who, in 1911, proved that atoms had a small, dense, positively charged nucleus. Rutherford’s ModelProtons ( the positively…
1.Why are Electrons Important?Chemistry Unit 42. Why are Electrons Important?3. Light, a form of electronic radiation,has characteristics of both a wave and a particleWavelike…