'Sodium atoms' presentation slideshows

Notebook set-up

Notebook set-up. Composition Book. Table of contents. Page. 1. Stoichiometry. 1. Stoichiometry. Standard 3 Ms. Siddall. Stoichiometry. 1. The periodic table. The periodic table displays all elements Symbols on the left represent metals

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Chemistry

Chemistry. General Biology 1114. Living Things Are Composed of Matter. Matter has mass and takes up space. Properties of Matter. Physical Properties Observed and measured without changing the identity of the matter. (mass, weight, volume) 2. Chemical Properties

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Atomic Physics

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Stoichiometry. Chapter 9, 10, & 11

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Chemistry 120

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The Biology of the Brain

The Biology of the Brain. (Including some fun facts). Reason for the Brain. Why do animals have brains?

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Methods of Measurement

Methods of Measurement. The convenience is that one mole of hydrogen atoms weighs 1.01 grams , the same in grams as the atomic mass of hydrogen in Daltons. 1 mole of oxygen atoms = 15.999 grams 1 mole of sodium atoms = 22.989 grams 1 mole of any atom or molecule is found in the

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Opener:

Opener: . How many eggs are in a dozen ? People are in a couple ? Pencils are in a gross ? Does the number of things change if the objects do? . Answers to homework: #1 8.46x10 9 + 1.23x10 11 = 8.46x10 9 + 123.x10 9 = 131.46x10 9 = 1.3146x10 11 or

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Lecture 4 Chemical Periodicity: Ch 3

Lecture 4 Chemical Periodicity: Ch 3. Dr. Harris 9/2/13 HW: Ch 3: 9, 27 Recommended: 3, 4, 28 . Chemical Reactions. When elements undergo a chemical reaction, the products may be quite different from the reactants

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Born-Haber Cycles

Born-Haber Cycles. A method to calculate Lattice Enthalpies. Ionization Energy & Electron Affinity. The first ionization energy of an element is the energy required to remove one mole of electrons from one mole of gaseous atoms.

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What is a mole?

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Hope you had a great weekend!

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Test #1 Review

Test #1 Review. Which pair of atoms represents nuclei that have the same number of neutrons? 56 Co and 58 Co 57 Mn and 57 Fe 58 Ni and 57 Fe 58 Ni and 57 Co 59 Ni and 56 Fe. 2. Which of the following was used to discover the electron? The gold foil experiement

171 views • 8 slides