'Whole number multiples' diaporamas de présentation

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Chapter 3: Elements, Compounds, and the Periodic Table

Chapter 3: Elements, Compounds, and the Periodic Table. Chemistry: The Molecular Nature of Matter, 6E Jespersen/Brady/Hyslop. Discovery of Subatomic Particles. Late 1800s & early 1900s Cathode ray tube experiments showed that atoms are made up of subatomic particles

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What gives fireworks their different colors?

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Resonance

Resonance. If you have ever blown across the top of a bottle or other similar object, you may have heard it emit a particular sound. The air in the bottle is a column of air. It has a natural frequency (actually more than one) at which it will vibrate when set in motion .

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Complex Auditory Stimuli

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Percent Composition

Percent Composition. The relative amounts of elements in a compound. % composition = . mass of element. x 100. mass of compound. 24g C. 85.7% C. x 100. =. 28g CH 4. Percent Composition from Formula. C 2 H 4. 2 moles of C x 12 g/mol = 24 g.

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History of the Atom

History of the Atom. How the work of one scientist built upon the work of others to bring us to greater and greater understanding of the atom!. The Greeks. 2400 years ago: Democritus named the smallest piece of matter the ATOM.

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