'Uranium gold foil' diaporamas de présentation

Chapter 5

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Chapter 2

Chapter 2. Atoms, Molecules, and Ions. Laws. Conservation of Mass Law of Definite Proportion- compounds have a constant composition.

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Chapter 3

Chapter 3. Atoms and their structure. History of the atom. Not the history of atom, but the idea of the atom Original idea Ancient Greece (400 B.C..) Democritus Greek philosopher. History of Atom. Smallest possible piece? Atomos - not to be cut. Looked at beach Made of sand

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Chapter 4

Chapter 4. Atoms and their structure. History of the atom. Not the history of atom, but the idea of the atom. Original idea Ancient Greece (400 B.C.) Democritus and Leucippus- Greek philosophers. History of Atom. Smallest possible piece? Atomos - not to be cut. Looked at beach

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Catalyst

Catalyst. A quantitative observation involves numbers and measurement. A qualitative observation is descriptive. Classify these observations: There are 550 students at OHS. The sky is blue. My car is old. The door is 2.2 m tall.

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Atomic Theory Development

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