Chemical formulas and chemical compounds

    • 7 Chemical Formulas and Chemical Compounds

      Chemical Formulas and Chemical Compounds SECTION 4 SHORT ANSWER Answer the following questions in the space provided. 1. Write empirical formulas to match the following molecular formulas: CH 3O 2 a. C 2H 6O 4 N 2O 5 b. N 2O 5 HgCl c. Hg 2Cl 2 CH 2 d. C 6H 12 2. C 4H 8 A certain hydrocarbon has an empirical formula of CH 2 and a molar mass of ...

    • [PDF File]Chemical Formulas - Cal State LA

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      Chemical Formulas A chemical formula gives the numbers and types of atoms that are found in a substance. When the substance is a discrete molecule, then the chemical formula is also its molecular formula. Fe (iron) is a chemical formula Fe2O3 is a molecular formula The Elements The chemical formulas of most of the elements are simply their ...

    • [PDF File]Common Chemical Formula List - The City School

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      Chemical formulae and equations Derivation of formulae (key points) Chemical Formula Definition: An expression which states the number and type of atoms present in a molecule of a substance. Chemical formulas such as HClO4 can be divided into empirical formula, molecular formula, and structural formula.

    • [PDF File]CHAPTER 7 Chemical Formulas and Chemical Compounds

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      CHEMICAL FORMULAS AND CHEMICAL COMPOUNDS 207 Write the formulas for the binary ionic compounds formed between the following elements: a. zinc and iodine b. zinc and sulfur Write the symbols for the ions side by side.Write the cation first. a. Zn2+I− b. Zn2+S2− Cross over the charges to give subscripts. a. Zn 1 2+I 2 − b. Zn 2 2+S 2 2−

    • [PDF File]Chapter 9 Practice Test - Naming and Writing Chemical Formulas

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      OBJ: 9.3.1 Interpret the prefixes in the names of molecular compounds in terms of their chemical formulas. | 9.3.2 Apply the rules for naming and writing formulas for binary molecular compounds. STA: Ch.2.a 22.ANS: C PTS: 1 DIF: L1 REF: p. 269 OBJ: 9.3.2 Apply the rules for naming and writing formulas for binary molecular compounds. STA: Ch.2

    • [PDF File]Chemical Formulas - Cal State LA

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      Chemical Formulas A chemical formula gives the numbers and types of atoms that are found in a substance. When the substance is a discrete molecule, then the chemical formula is also its molecular formula. Fe (iron) is a chemical formula Fe2O3 is a molecular formula

    • [PDF File]Assessment Chemical Formulas and Chemical Compounds

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      Chemical Formulas and Chemical Compounds Section Quiz: Oxidation Numbers In the space provided, write the letter of the term or phrase that best completes each statement or best answers each question. _____ 1. An oxidation number a. is always negative. b. is always positive. c. has no exact physical meaning.

    • [PDF File]Chemical Formula Writing Worksheet Two

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      Chemical Formula Writing Worksheet Solutions Write chemical formulas for the compounds in each box. The names are found by finding the intersection between the cations and anions. Example: The first box is the intersection between the “zinc” cation and the “chloride” anion, so you should write “ZnCl 2”, as shown.

    • [PDF File]Chemical Formulas and Chemical Compounds - Weebly

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      Chemical Formulas and Chemical Compounds Chapter 7 . Chemical Names and Formulas Section 7-1 . Definitions Chemical formula - Indicates the relative number of atoms of each kind in a chemical ... Same as Writing formulas for Ionic Compounds but use table 2 on p 226 for the polyatomic

    • [PDF File]Naming Compounds Practice Worksheet

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      Write the formulas for the following chemical compounds: 71) silicon dioxide SiO 2 72) nickel (III) sulfide Ni 2 S 3 73) manganese (II) phosphate Mn 3 (PO 4) 2 74) silver acetate AgC 2 H 3 O 2 75) diboron tetrabromide B 2 Br 4 76) magnesium sulfate heptahydrate MgSO 4.7H 2 O 77 ...

    • [PDF File]The Chemistry Name Game - American Chemical Society

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      This activity is designed to help students with naming chemical compounds and writing chemical formulas. It can also be used to help develop an understanding of balancing formulas and later chemical equations. Why We Like this Activity We like this activity because it brings some life to chemical naming, which many

    • [PDF File]7 Chemical Formulas and Chemical Compounds

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      Chemical Formulas and Chemical Compounds MIXED REVIEW SHORT ANSWER Answer the following questions in the space provided. 1. Write formulas for the following compounds: CuCO 3 a. copper(II) carbonate Na 2SO 3 b. sodium sulfite (NH 4) 3PO 4 c. ammonium phosphate SnS 2 d. tin(IV) sulfide HNO 2 e. nitrous acid 2. Write the Stock system names for ...

    • [PDF File]Writing Chemical Formulas and Chemical Reactions

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      A binary acid is a binary chemical compound containing hydrogen and a nonmetal from Group 6 or 7. These compounds can be named using the regular naming system for binary molecular compounds if they are gases. But, binary acids are usually found as clear, viscous liquids at room temperature and a different

    • Chemistry Chapter 7 Test Chemical Formulas And Compounds

      Read Online Chemistry Chapter 7 Test Chemical Formulas And Compounds inquiry-based perspective. Additional statistical, sampling, modeling and data analysis concepts and exercises will be introduced for greater understanding of the underlying processes of complex environmental systems and fundamental chemical principles.

    • [PDF File]Chapter 3 - Molecules, Compounds and Chemical Equations

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      Writing Chemical Equations (Section 3.10) A chemical equation is a shorthand description of a chemical reaction, using symbols and formulas to represent the elements and compounds involved. •If an element is present in just one compound on each side of the equation, try balancing that element first.

    • [PDF File]Chemistry Lesson Plans #05 - Chemical Names and Formulas.d.

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      Representing Chemical Compounds Objectives: Distinguish among chemical formulas, molecular formulas, and formula units; Use experimental data to show that a compound obeys the law of definite proportions-Representing Chemical Compounds - Chemists have identified over 10 million chemical compounds o Some are molecular

    • [PDF File]Chapter 7 Notes – Chemistry; Chemical Formulas and ...

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      Chapter 7 Notes – Chemistry; Chemical Formulas and Chemical Compounds Molecules and Molecular Compounds • A molecule consists of two or more atoms bounded together. Molecules and Chemical Formulas • Each molecule has a chemical formula. • The chemical formula indicates: 1. Which atoms are found in the molecule, and 2.

    • [PDF File]Chapter 7: Chemical Formulas and Chemical Compounds

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      Chapter 7: Chemical Formulas and Chemical Compounds Section 7-1: Chemical Names and Formulas 7-1-1 Explain the significance of a chemical formula. The subscript indicates that there are 8 carbon atoms in the molecule of octane. The subscript indicates that there are 18 hydrogen atoms in the molecule of octane. Subscript 2 refers to 2 aluminum ...

    • [PDF File]CHEMICAL NAMES & FORMULAS - Weebly

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      ¡For an ionic compound: chemical formulas represents one formula unit ÷Formula unit: the simplest ratio of the compound’s positive and negative ions ¡For a molecule: the molecular formula gives the number of atoms of each element contained in a single molecule of the compound Chemical formulas are important because they indicate the relative

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