'Unstable elements' diaporamas de présentation

NUCLEAR CHEMISTRY

NUCLEAR CHEMISTRY. Studying Radioactivity. Classroom Notes. History of Radiation (not testable but fun ?). Introduction to Nuclear Chemistry. Wilhelm Conrad Roentgen studied cathode ray tubes and the light they produced in 1895.

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Organizing the Elements

Organizing the Elements. The Periodic Table. Elements. There are 118 different kinds of atoms. Most matter is made up of two or more kinds of atoms, but some consist of just one type of atom. When matter is composed of one type of atom it is called an element.

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2.2 Minerals are basic building blocks of Earth.

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