'Negative ions' diaporamas de présentation

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Periodic Table

Periodic Table. Larry Scheffler Lincoln High School. The Periodic Table-Key Questions. What is the periodic table ? What information is obtained from the table ? How can elemental properties be predicted based on the Periodic Table ?.

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Homonuclear & Heteronuclear bonds

Homonuclear & Heteronuclear bonds. Hydrogen peroxide (H 2 O 2 ). Hydrazine (N 2 H 4 ). Ethane (C 2 H 6 ). Homonuclear bonds. Hetronuclear bonds. Polar bonds. IONIC COMPOUNDS.

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First Ever Aromatherapy Oil in the World with Negative Ion

First Ever Aromatherapy Oil in the World with Negative Ion. Introducing!. Health Benefits of Alabaster Miracle Oil with Negative Ion . Recovery from physical exhaustion or fatigue.

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Jeopardy

Jeopardy. Final Jeopardy. Vocabulary 100 The smallest part of an element that still contains the properties of that element. What is an atom?. Vocabulary 200 The 3 in NH 3 . What is a subscript. Vocabulary 300 Chemical bonds that form from the attraction of positive and negative ions.

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Acids, Bases, & Salts

Acids, Bases, & Salts. Acid:. A substance that produces hydrogen ions, H+, in solution. Base:. A substance that produces hydroxide ions, OH-, in solution. Indicator:. An organic compound that changes color in an acid or base. Litmus paper: red in acid blue in base.

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Lecture 7: Ionic Compounds

Lecture 7: Ionic Compounds. Dr Harris Suggested HW : ( Ch 6 ) 4 , 9, 16, 24, 25a ., 29, 51*, 52 *, 60 * Use pg 186 for electron affinities. Ionic Compounds. The nucleus of an atom is unchanged by chemical reactions (number of protons never changes)

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KKK3201

KKK3201. Lecture 2. EXTRINSIC MATERIAL. The characteristic of semiconductor can be altered by adding impurity through doping process (extrinsic material) Two type: N-type P-type. N-TYPE.

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Electrochemistry

Electrochemistry. Terminology. You may have noticed oxygen never gets oxidized, it always gets reduced. The reason for this is because oxygen is an oxidizing agent . An oxidizing agent is something that causes something else to be oxidized.

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Charging of Dust in a Plasma with Negative Ions

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Voltaic Cells or Batteries

Voltaic Cells or Batteries. http://www.wwnorton.com/college/chemistry/gilbert2/tutorials/interface.asp?chapter=chapter_18&folder=zinc_copper_cell.

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Naming Inorganic Compounds

Naming Inorganic Compounds. Positive ions (cations) Cations formed from metal atoms have the same name as the metal. Na + sodium ion Zn 2+ zinc ion. Naming Inorganic Compounds. Positive ions (cations) If the metal can form ions with more than one charge, the charge is in ( ).

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Electrical Nature of Matter

Electrical Nature of Matter. Grade Nine Science. Question to Ponder. What happens when you rub a balloon against your hair? Does this action create electric charges?. What happens when you rub the balloon against your hair?. Both items have negative and positive charges.

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Ionic Bonding

Ionic Bonding. CA Standards. Students know atoms combine to form molecules by sharing electrons to form covalent or metallic bonds or by exchanging electrons to form ionic bonds.

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Do Now:

Do Now:. Fun Friday: Watch stupid people in action. Homework & Objective. Homework: Due for Monday, Re-take of test 1. Due Monday - prepare for a re-test (which is still Monday). Test corrections part of the re-evaluated grade. Answer questions in the text book: P. 44

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TOPIC: Metals vs Nonmetals Do Now: Take three different crayons Take out unit packet

TOPIC: Metals vs Nonmetals Do Now: Take three different crayons Take out unit packet. Classifying the Elements. 2/3 (75%) of elements are metals Remaining elements: non-metals & metalloids (semi-metals) Metalloids: some properties of metals & some properties of nonmetals Staircase:

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Unit Nine Review

Unit Nine Review. IMF. Intermolecular forces Attractive forces between molecules The three states of matter depend on Strength of IMF relative to the amount of thermal energy Weaker IMF Gas Stronger IMF Solid or liquid. IMF. Surface tension Tendency of liquids to minimize surface area

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Thursday January 27 , 2011

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