'1 amu 1' presentation slideshows

Homework Problems

Homework Problems Chapter 2 Homework Problems: 1, 4, 19, 24, 28 (give the number of protons, neutrons, and electrons), 30, 38, 41, 44, 46, 54, 64, 66, 67, 72, 76, 82, 84, 96, 101, 104, 114, 116, 117, 124. CHAPTER 2 Atoms, Molecules, and Ions. Early Theories of Matter

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Homework Problems

Homework Problems Chapter 2 Homework Problems: 1, 4, 19, 24, 28 (give the number of protons, neutrons, and electrons), 30, 38, 41, 44, 46, 54, 64, 66, 67, 72, 76, 82, 84, 96, 101, 104, 114, 116, 117, 124. CHAPTER 2 Atoms, Molecules, and Ions. Early Theories of Matter

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Chapter 2: Atoms, Molecules, and Ions

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Chapter 2: Atoms, Molecules, and Ions

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Chemistry SM-1131 Week 8 Lesson 1

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Nuclear Chemistry

Nuclear Chemistry. Chapter 23. n/p too large. n/p too small. 23.2. Types Of Radioactive Decay. An alpha ( a ) particle has the same composition as a helium nucleus: two protons and two neutrons (positive charge)

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Atoms and Elements

Chapter 2. Atoms and Elements. Ernest Rutherford 1871-1937.* Discoverer of atomic nucleus. D. I. Mendeleev 1834-1907. Periodic Table. Predicted elements. John Dalton 1766-1844. Conceived atomic weights. The Atomic Theory of Matter. John Dalton: Elements are composed of atoms .

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The S-word Stoichiometry

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Chapter 1: Matter, Measurement, and Problem Solving

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Chapter 8

Chapter 8. Chemical Composition. 8.1 Counting by Weighing. Which method is more effective? Counting jelly beans vs. weighing jelly bean total mass Average mass = ------------------ number of samples. 8.2 Atomic Mass: Counting Atoms by Weighing.

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Chemical Composition

Chemical Composition. Chapter 10. Chemical Packages - Moles. We use a package for atoms and molecules called a mole A mole is the number of particles equal to the number of Carbon atoms in 12 g of C-12 One mole = 6.022 x 10 23 units

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__________ Nuclear Reactions

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Atomic Structure

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Chemical Stoichiometry

Chemical Stoichiometry. Atomic Weights. Average Atomic Masses Relative atomic mass: average masses of isotopes: Naturally occurring C: 98.892 % 12 C + 1.108 % 13 C. Average mass of C: ( 0.98892 )(12 amu ) + ( 0.01108 )(13.00335) = 12.011 amu .

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Atomic Structure

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ATOMS

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Stoichiometry Quantitative nature of chemical formulas and chemical reactions

Stoichiometry Quantitative nature of chemical formulas and chemical reactions. Chapter 3 (Sections 3.3 - 3.7). Atomic Mass Scale. Atomic mass units (amu) are convenient units to use when dealing with extremely small masses of individual atoms 1 amu = 1.66054 x 10 -24 g

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Chemical Composition

Chemical Composition. Chapter 10. Chemical Packages - Moles. We use a package for atoms and molecules called a mole A mole is the number of particles equal to the number of Carbon atoms in 12 g of C-12 One mole = 6.022 x 10 23 units

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Chemistry of Biology

Chemistry of Biology. Quarks to macromolecules. Reductionism. An approach to understanding complex things by reducing them to their smallest parts. Quarks. Smallest form of matter known. Proton, Neutron, Electron. Proton = +1 charge, 1 AMU Neutron = O charge, 1 AMU

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Modern Atom

Modern Atom. Basic Structure. Consists of tiny nucleus and the electrons that move about it Nucleus diameter about 10 -13 cm Electron is average distance of 10 -8 cm from the nucleus. Nucleus. Chemistry is mostly about the electrons

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