'Thomson model' diaporamas de présentation

Investigating Atoms and Atomic Theory

Investigating Atoms and Atomic Theory. Students should be able to: Describe the particle theory of matter. PS.2a Use the Bohr model to differentiate among the three basic particles in the atom (proton, neutron, and electron) and their charges, relative masses, and locations. PS.3

461 views • 34 slides

The History of Atomic Theory Lecture 1: Spring 2013

The History of Atomic Theory Lecture 1: Spring 2013. Atomic Models. This model of the atom may look familiar to you. This is the Bohr model. In this model, the nucleus is orbited by electrons, which are in different energy levels.

402 views • 32 slides

Atomos: Not to Be Cut

Atomos: Not to Be Cut. The History of Atomic Theory. The atomic model has changed throughout the centuries, starting in 400 BC, when it looked like a billiard ball ?. Democritus. 400 BC.

428 views • 29 slides

The History of Atomic Theory

The History of Atomic Theory. Democritus. Greek philosopher 2400 years ago The Atom Could matter be divided into smaller and smaller pieces forever? O r was there a limit to the number of times a piece of matter could be divided ?. Atomos.

293 views • 27 slides

Chapter 4

Chapter 4. The Structure of the Atom. Models of Atom through Time. Democritus Aristotle Dalton Thomson model Rutherford model Bohr model Quantum Mechanical model. Democritus (460-370 BC). Matter is composed of atoms in empty space

489 views • 26 slides

The History of Atomic Theory

The History of Atomic Theory. Mr Nelson. Democritus. 400 BC. The Greek philosopher Democritus began the search for a description of matter more than 2400 years ago.

455 views • 24 slides

Brief History of Atomic Theory

219 views • 21 slides

Atomic Theory

285 views • 18 slides

Lewis Structures

Lewis Structures. 1. Start by determining the formula and the total number of valence electrons. 2. The central atom is the 1 st element in the formula. - It will never be hydrogen. Carbon is always the central atom. 3. Connect the central atom to the outer atoms with a single bond.

237 views • 11 slides