'Diatomic elements' presentation slideshows

Unit 8 Chemical Reactions

Unit 8 Chemical Reactions. PAGE 123. Describing Chemical Reactions. A chemical reaction is the process by which one or more substances are changed into one or more different substances. They are described by chemical equations. Describing Chemical Reactions. In a chemical reaction:

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Larry Emme Chemeketa Community College

Quantitative Composition Chapter 7. Larry Emme Chemeketa Community College. The Mole. The mass of a single atom is too small to measure on a balance. mass of hydrogen atom = 1.673 x 10 - 24 g. This is an infinitesimal mass. 1.673 x 10 -24 g. MOLE.

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Chemical Formulas and Composition Stoichiometry ?????

2. Chemical Formulas and Composition Stoichiometry ?????. Chapter Goals. ? Chemical Formulas ??? ? Ions and Ionic Compounds ???????? ? Names and Formulas of Some Ionic Compounds ? Atomic Weights ??? ? The Mole ??? ? Formula Weights, Molecular Weights, and Moles

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Chemical Bonds: The Formation of Compounds From Atoms

Chemical Bonds: The Formation of Compounds From Atoms . Outline Periodic Trends Atomic Radius Metallic Character Ionization Energy Ionic Radius Valance Electrons Electron-Dot Symbols Bonding Electron-Dot Formulas VSEPR Electronegativity Polarity. Chapter 11.

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Organisms in the same genus are closely related.

Dogs ( Canis familiaris ) are most closely related genetically to which of the following organisms? A African hunting dog ( Lycaon pictus ) B Gray wolf ( Canis lupus )

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Review Class for Naming Compounds

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Chemical Equations

Chemical Equations. Use word problems to write and balance chemical equations, predict products, and determine precipitation. Diatomic Elements. There are 7 elements who always exists in pairs, when they are not bonded to a different element. You must MEMORIZE these 7 diatomic elements:

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Isotope

Isotope. Same element with a different mass. Ion. Atoms or molecules with an electrical charge. Cations. Positively charged atoms/molecules. Anions. Negatively charged atoms/molecules. amu. Atomic mass unit. Atomic number. Number of protons. Mass number. Protons + neutrons (amu unit).

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The Periodic Table

The Periodic Table. Chemistry Learning outcome: 2) I can use the periodic table to Find electrons, protons, neutrons Find metals & non-metals Find alkali, alkali earth metals, halogens and noble gas families Know the relative reactivity of each family

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Redox Reactions

Redox Reactions. What is oxidation? What is reduction?. What is REDOX?. chemical reactions in which atoms have their oxidation state changed family of reactions that are concerned with the transfer of electrons between species. Rusting is an example of a redox reaction. REDOX.

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Uncle BrINClHOF

Uncle BrINClHOF. An annoying song to help you remember the diatomic elements. Open in PowerPoint and press F5. Slides forward automatically. By Amy Brannon. Uncle BrINClHOF Had seven twins Seven diatomic molecules. N. N. Fl. Fl. Cl. Cl. Br. Br. O. I. O. I. 1 H 2. 7

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Elements And Compounds

Elements And Compounds. Chemistry Dr. May. Atoms. An atom is the smallest part of an element that still has the properties of that element. An atom is made up of protons, neutrons, and electrons. Atomic Inventory. 11. 12. 11. 18. 17. 17. Elements.

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10 th Grade Chemistry: 2/19/14

Learning Target: Construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties. 10 th Grade Chemistry: 2/19/14.

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Chemical Reactions

Chemical Reactions. Nature of Reactions. A chemical reaction is when you create a new substance with unique physical and chemical properties. Reaction Representation. Chemists use symbols to represent what happens in a chemical reaction.

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CHAPTER 9 CHEMICAL REACTIONS AND EQUATIONS

CHAPTER 9 CHEMICAL REACTIONS AND EQUATIONS. Law of conservation of Matter. Mass is conserved in chemical reactions Mass of products = mass of reactants 2H 2 + O 2 ? 2H 2 O 4 amu + 32 amu = 2 (18 amu). The atoms of each element are also conserved.

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11/27/12

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NAMING ELEMENTS

NAMING ELEMENTS. The chemical symbol and the name of the elements must be known before starting any discussion in chemistry. There is a correlation between the name and the chemical symbol. The chemical symbol is usually the first or the first and second letter of the name.

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NAMING ELEMENTS

NAMING ELEMENTS. The chemical symbol and the name of the elements must be known before starting any discussion in chemistry. There is a correlation between the name and the chemical symbol. The chemical symbol is usually the first or the first and second letter of the name.

395 views • 4 slides