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Atomic theory Timeline (Softschools.com)

Atomic theory is the scientific theory of the nature of matter. The theory states that matter is made up of small particles called atoms. Prior to this theory, matter was thought to be able to be divi ...

Where Would You Be Without Dalton? Basic

Find out how the ability of modern chemists to develop life-changing materials such as plastics depends on knowlege of atoms that was first introduced by John Dalton around 1800.

It is an educational c ...

Thomson's Atomic Mode? At grade

Thomson's discovery of the electron and his plum pudding model of the atom.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

Seeing with Electron? Basic

Learn the role of electrons in electron microscopes, which can create images of extremely small objects such as molecules.

It is an educational content of CK-12 Foundation (to access some of the CK-12 ...

Democritus' Idea of the Ato? At grade

Introduction of the idea of the atom and the diversity of matter.

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Dalton's Atomic Theor? At grade

Reintroduction of the idea of the atom and the billiard ball model.

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What's the Real Story? At grade

Development of atomic theory from Democritus to Dalton to today.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

Whats all the matter? Atoms and Molecules (MIT+K12 Videos)

Atoms, elements and molecules. Understanding the building blocks of matter.

Estudiantes del MIT explican con piezas de Lego qué son los átomos y moléculas

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