Atom Models

Atom Models

1. Atom, An is the basic unit smallest particule that constitutes matter , formed by a nucleus contain positive protons and neutral neytrons

2. Dalton. A unit of mass atomic is used in physics and chemistry to meassure the mass of atom and molecules

3. Demócrito. Was a greek philosopher who devoloped the atomist theory proposing that everthing in the universe is made of atoms indivisible and eternal particles.

4. Thomson. A brithish phisicist who discovered the electron, was director ofthe cavendish laboratory in cambridge and this considered one of pioneers of modern phsics

5. Bohr. Danish physics, pioneer of quantum physics and the author of the Bohr atomic model proposed the electron orbit the atomic nucleus is quantized enrgy levels, based on quantom theory, and also intruduced the concept complementary

6. Electron cloud. Region around the nucleus oof an atom where and electron is most likely to be found.Instead of fixed orbits, the electron cloud model