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Exploring the Development of the Atomic Theory

Learn the origins of the Atomic Theory and its key components - atoms, electrons, nucleus, and electron cloud. Understand how matter is composed of these fundamental particles and their roles within an atom.

jerry-frederick
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Exploring the Development of the Atomic Theory

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  1. Ch. 11 Section 1 Review Development of the Atomic Theory

  2. Vocabulary To Know • Atom- the smallest unit of an element that maintains the properties of that element • Electron- a subatomic particle that has a negative charge • Nucleus- an atom’s central region, which is made up of protons and neutrons • Electron cloud- a region around the nucleus of an atom where electrons are likely to be found

  3. Beginning of the Atomic Theory • Matter is made of particles, which we call atoms. • An atom is the smallest particle into which a element can be divided and still be the same substance. • Electrons are located throughout the atom within the electron cloud. • The nucleus is the center part of an atom.

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