1. sulphur Sulphur dioxide Sulphur trioxide OleumSulphuric acidStage 1 Stage 2 Stage 3 Hot airDry oxygenXWater 2. State the name of the process to manufacture sulphuric acid…
Slide 1Unit II : Atoms, Molecules, Ions and Nuclear Chemistry Slide 2 Early History of Chemistry Before 16th Century Alchemy: Attempts (scientific or otherwise) to change…
Slide 1 Slide 2 I. Structure of the Atom The Early Models of the Atom Slide 3 Laws n Law of Conservation of Mass n Law of Definite /Constant Proportion- compounds have a…
Slide 1 Slide 2 MODELS OF ATOMS ÞDemocritus(400 B.C): said that matter is composed of indestructible particles. He called them atoms, a Greek word which means indestructible…
Slide 1Atoms, Elements, Compounds, and Ions Atom basic building block of all matter Element Substance that consists of only one type of atom. Molecule has two different atoms.…
Slide 1Atomic Masses & the MOLE… Slide 2 Neon is a gas that can be found in the atmosphere.Neon is a gas that can be found in the atmosphere. –Dry air contains about…
Slide 1Warm-up Spiral Write or read over your summary for the notes on “Describing Chemical Reactions” (Pgs. 544 – 548) If you were absent, begin to write notes now…
Slide 1 Chapter 2 Atoms, Molecules and Ions The Early History of Chemistry Before 16 th Century Greeks were the first to attempt to explain why chemical changes occur. Alchemy:…
Slide 1 The origin of life Goals The fossil record for very early life Chemical evolution—amino acids to DNA The advance of life Cambrian Explosion 1 Slide 2 First inklings…