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Chemical bond

Chemical Names and Formulas Chapter 6 Addison and Wesley

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Chapter 6 ?Chemical Names and Formulas? By Stephen L. Cotton, Charles Page High School Modified by Barbara Williams, DeBakey HSHP H2O Molecular Compounds Molecule Neutral chemically bonded group of atoms that act as a unit Usually composed of 2 or more nonmetal atoms Make up molecular compounds Ions and Ionic Compounds Ion Charged atom or group of atoms (cation or anion) Cation name: same name + ?ion? (Na+ is called ?sodium ion?) Anion name: root name ends with ?-ide? (Cl- is called ?chloride?) Ionic Compound Composed of metal cation and nonmetal anion An Anion is? A negative ion. Has gained electrons. Nonmetals can gain electrons. Charge is written as a superscript on the right. F1- Has gained one electron (-ide is new ending = fluoride) O2- Gained two electrons (oxide)

chemistry

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AP Chemistry Final Exam Version P Fall 2005 3 Free Response questions, 45 minutes CALCULATORS MAY BE USED. You will also have a periodic table, equation sheets, and the standard reduction potential table. Clearly show the method used and the steps involved in arriving at your answers. It is to your advantage to do this, since you may obtain partial credit if you do and you will receive little or no credit if you do not. Attention should be paid to significant figures. Note: For all questions, assume that the temperature is 298 K, the pressure is 1.00 atmospheres, and solutions are aqueous unless otherwise specified. Record all your work on this exam; you will only be given credit for answers showing work. NAME: PERIOD: 1 2 3 4 January 10-12, 2006

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CALIFORNIA STANDARDS TEST CHEMISTRY (Blueprint adopted by the State Board of Education 10/2002) CALIFORNIA CONTENT STANDARDS: CHEMISTRY # of Items % Atomic and Molecular Structure 6 10.0% 1. The periodic table displays the elements in increasing atomic number and shows how periodicity of the physical and chemical properties of the elements relates to atomic structure. As a basis for understanding this concept: a. Students know how to relate the position of an element in the periodic table to its atomic number and atomic mass. 1 b. Students know how to use the periodic table to identify metals, semimetals, non-metals, and halogens. 1

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CALIFORNIA STANDARDS TEST CHEMISTRY (Blueprint adopted by the State Board of Education 10/2002) CALIFORNIA CONTENT STANDARDS: CHEMISTRY # of Items % Atomic and Molecular Structure 6 10.0% 1. The periodic table displays the elements in increasing atomic number and shows how periodicity of the physical and chemical properties of the elements relates to atomic structure. As a basis for understanding this concept: a. Students know how to relate the position of an element in the periodic table to its atomic number and atomic mass. 1 b. Students know how to use the periodic table to identify metals, semimetals, non-metals, and halogens. 1

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CALIFORNIA STANDARDS TEST CHEMISTRY (Blueprint adopted by the State Board of Education 10/2002) CALIFORNIA CONTENT STANDARDS: CHEMISTRY # of Items % Atomic and Molecular Structure 6 10.0% 1. The periodic table displays the elements in increasing atomic number and shows how periodicity of the physical and chemical properties of the elements relates to atomic structure. As a basis for understanding this concept: a. Students know how to relate the position of an element in the periodic table to its atomic number and atomic mass. 1 b. Students know how to use the periodic table to identify metals, semimetals, non-metals, and halogens. 1

Campbell Biology 9th Edition chapter04 test Bank with Answer

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Campbell's Biology, 9e (Reece et al.) Chapter 4 Carbon and the Molecular Diversity of Life This chapter focuses on the chemistry of carbon and organic compounds. Students should be able to identify the nature of the bonds between carbon and other elements (nonpolar versus polar), the different types of weak bonds and interactions, the various types of isomers, the basic functional groups of organic molecules, and their relative solubility in water. The abiotic formation of organic molecules from inorganic molecules is important in the origin of life. Multiple-Choice Questions 1) The element present in all organic molecules is A) hydrogen. B) oxygen. C) carbon. D) nitrogen. E) phosphorus. Answer: C Topic: Concept 4.1 Skill: Knowledge/Comprehension

Chemistry

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Social issues in forbidden city Corrupted government Ignorant Deals issues in violent ways Their views on democracy which the students want Indifference Their views are based on Maoism (the PLA retaliated by using violence) Cultural Aspects Appearance Patriotic government very rightist (conservative) Traditional and hardworking society Food Housing Manners idk (the part where alex learns that it is expected to put a lot of food on the table but not eat it because it means that you?ve ate too much and you can?t eat anymore) Plot Talk about the student demonstration May 4th include hunger strike and martial law Death of Hu Yao Bang Li Peng PLA and talk about one part of like war ( teargas cannisters , AK47, Xin Hua Shot, Lao Xu Dead

Campbell Biology 9th Edition chapter04 test Bank without Answer

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Campbell's Biology, 9e (Reece et al.) Chapter 4 Carbon and the Molecular Diversity of Life This chapter focuses on the chemistry of carbon and organic compounds. Students should be able to identify the nature of the bonds between carbon and other elements (nonpolar versus polar), the different types of weak bonds and interactions, the various types of isomers, the basic functional groups of organic molecules, and their relative solubility in water. The abiotic formation of organic molecules from inorganic molecules is important in the origin of life. Multiple-Choice Questions 1) The element present in all organic molecules is A) hydrogen. B) oxygen. C) carbon. D) nitrogen. E) phosphorus. Topic: Concept 4.1 Skill: Knowledge/Comprehension

Anatomy Chemistry

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Chemistry Notes in Physiology Chemistry notes in Physiology: Atoms Atom?the basic unit of an element An atom consists of subatomic particles: Proton This has a ( + ) charge The number of protons in an atom is called atomic number Neutron This has no charge Electron This has a ( ? ) charge The number of electrons is usually equal to the number of protons ? Both the proton and the neutron are in the nucleus The sum of the proton and neutron is called atomic mass Shell = energy level 1st shell has 2 electrons 2nd shell has 8 electrons Valence electrons are the outermost electrons ? Isotopes = same atomic number, but different atomic mass Isotopes will differ in the number of neutrons For example: Hydrogen has 1 proton Deuterium has 1 proton and 1 neutron

Campbell Biology Chapter 1-4 Outline

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The Chemical Context of Life 8/22/13 6:23 PM Chapter 1: Exploring Life Biology?s Most Exciting Era Biology- the scientific study of life Biologists explore life from the microscopic to the global scale A Hierarchy of Biological Organization The biosphere- consists of all the environments on Earth that are inhabited by life. Ecosystems- consists of all the living things in a particular area, along with all the nonliving components of the environment with which life interacts. Ex. forest The biosphere is composed of ecosystems Communities- the entire array of organisms inhabiting a particular ecosystem. The set of populations that inhabit a particular area Populations- consists of all the individuals of a species (forms of life) living within the bounds of a specified area

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