Chemical formula worksheet answer key

    • [PDF File]Counting Atoms in a Chemical Formula Homework Mr. Van Rite - Springtown ISD

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      Counting Atoms in a Chemical Formula Homework Mr. Van Rite Name: _____ Class Period: _____ Hints on back of this page: Count the atoms for each element; then write the total number of atoms ... Chemical symbols consist of either a capital letter or a capital letter and a lower case letter. This means that at least one atom of this element is ...

    • [PDF File]Percent Composition and Molecular Formula Worksheet

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      Molecular Formula Worksheet ANSWER KEY Write the molecular formulas of the following compounds: 1) A compound with an empirical formula of C 2 OH 4 and a molar mass of 88 grams per mole. C 4 O 2 H 8 2) A compound with an empirical formula of C 4 H 4 O and a molar mass of 136 grams per mole. C 8 H 8 O 2

    • [PDF File]Chemical Formula Calculations Chemistry 110 - Cerritos College

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      Chemical Formula Calculations . Chemistry 110 . Set-ups must be shown where applicable. You will not receive credit for only answers shown. Problem sets are due within the first five minutes of lecture on the due date. 1] What is the percentage by mass composition of Iron (III) oxide? 2 x 55.85 g/mol . 3 x 16.0 g/mol % Fe = 2 x 55.85g

    • [PDF File]Naming Chemical Compounds Worksheet - My Chemistry Class

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      Naming Chemical Compounds - Answers Name the following ionic compounds: 1) NaBr sodium bromide 2) CaO calcium oxide 3) Li 2 S lithium sulfide 4) MgBr 2 magnesium bromide 5) Be(OH) 2 beryllium hydroxide Write the formulas for the following ionic compounds: 6) potassium iodide KI 7) magnesium oxide MgO 8) aluminum chloride AlCl 3

    • [PDF File]nomenclature practice answers - California State University, Sacramento

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      CHEMISTRY 1A NOMENCLATURE WORKSHEET Chemical Formula Nomenclature Practice: Complete these in lab and on your own time for practice. You should complete this by Sunday. Use the stock form for the transition metals. Give the formula for the following: 1. sulfur dioxide ____SO2_____ 2. sodium thiosulfate ____Na2S2O3_____ 3.

    • [PDF File]WORKSHEET

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      Chemical formulas can have three components. a) The _____ which are represented by a single uppercase letter, or represented by an uppercase letter followed by a lowercase letter. This tells you the types of elements in the compound. b) The _____ which are numbers that are found on the lower _____- hand side

    • [PDF File]16.2 Chemical Formulas - Mr. Payton's physical science class

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      16.2 Chemical Formulas Compounds have unique names that we use to identify them when we study chemical properties and changes. Chemists have devised a shorthand way of representing chemical names that provides important information about the substance. This shorthand representation for a compound’s name is called a chemical formula. You will

    • [PDF File]CHEMISTRY COMPUTING FORMULA MASS WORKSHEET

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      Find the formula mass of the following compounds. Round atomic masses to the tenth of a decimal place. Place your final answer in the FORMULA MASS COLUMN. CHEMISTRY COMPUTING FORMULA MASS WORKSHEET Problem Set-up example: Find the formula mass of Ca(NO3)2 Ca: 1 x 40.1 = 40.1 N: 2 x 14.0 = 28.0 O: 6 x 16.0 = 96.0 ____ Formula Mass = 164.1

    • [PDF File]Bonding Basics Review Name - Science Spot

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      Bonding Basics Review ANSWER KEY 1. Complete the chart using your knowledge of atoms. Element Atomic Symbol Total # of Electrons # of Valence Electrons # of Electrons Gained or Lost Oxidation Number Bromine Br 35 7 Gain 1 1-Lithium Li 3 1 Lose 1 1+ Calcium Ca 20 2 Lose 2 2+ Sulfur S 16 6 Gain 2 2-Boron B 5 3 Lose 3 3+

    • [PDF File]Chemical Formula Writing Worksheet Two - IMSA

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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]7 Chemical Formulas and Chemical Compounds - SharpSchool

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      Chemical Formulas and Chemical Compounds SECTION 1 SHORT ANSWER Answer the following questions in the space provided. 1. c In a Stock system name such as iron(III) sulfate, the Roman numeral tells us (a) how many atoms of Fe are in one formula unit. (b) how many sulfate ions can be attached to the iron atom. (c) the charge on each Fe ion.

    • [PDF File]Name Atoms are not or during a chemical reaction. Mg + O - Science Spot

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      Balancing Act Answer Key: Page 1 Problems 2 Ca + O 2 2 CaO N 2 + 3 H 2 2 NH 3 2 Cu 2O + C 4 Cu + CO 2 2 H 2O 2 2 H 2O + O 2 Hint: Add the O atoms on the product side together when doing the counts. Page 2 Practice Problems 1. 2 Na + MgF 2 2 NaF + Mg 2. Mg + 2 HCl MgCl 2 + H 2 3. Cl 2 + 2 KI 2 KCl + I 2 4.

    • [PDF File]Compound Names and Formulas Worksheet Three - IMSA

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      Compound Names and Formulas Worksheet Three For the list on the left, name the compound. For the list on the right, give the chemical formula that corresponds to the name Name Formula 1) NaF 13) potassium fluoride 2) K2CO 3 14) ammonium sulfate 3) MgCl 2 15) magnesium iodide 4) Be(OH) 2 16) copper (II) sulfite

    • Compounds, Naming, Reaction Equations, and Formula Weights Answers to ...

      empirical formula? All three types. With ionic compounds and network solids, an empirical formula is the only appropriate type of chemical formula. 5. Using the periodic table, predict the chemical formula of the ionic compound formed by the following pairs of elements: Ga and F Ca and O Na and N Al and O GaF3 CaO Na3N Al2O3 6.

    • [PDF File]bondingbasics2008 - Science Spot

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      ANSWER KEY Section A: Complete the chart using a periodic table to help you. Element Atomic Symbol Total # of Electrons # of Valence Electrons # of Electrons ... Write the chemical formula for the compound and its name. Answers will vary. Al Na Cl Na 1+ + Cl 1-NaCl Mg I I Mg 2+ + I 1-+ I 1-MgI 2 K I K1+ + I 1-KI Na O Na 1+ + Na 1+ + O 2-Na 2O ...

    • [PDF File]O NH O - Science Spot

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      Balancing Equations Practice ANSWER KEY Part A: Identify the following parts of each chemical formula by circling the subscripts and drawing a square around the coefficients. H2 2 HCl 4 O 2 CH 4 3 CO 3 2 NaOH Part B: List the symbols for the atoms in each formula and give the number of each. C2H6 2MgO 4P 4O10

    • [PDF File]Name: Date: Chemical Formulas

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      Name: Date: Chemical Formulas About Chemistry http://chemistry.about.com Write the chemical formula for the following compounds. 1. potassium carbonate

    • [PDF File]Naming Compounds Practice Worksheet - Loudoun County Public Schools

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      Solutions for the Naming Ionic Compounds Practice Worksheet 1) ammonium chloride 2) iron (III) nitrate 3) titanium (III) bromide 4) copper (I) phosphide 5) tin (IV) selenide 6) gallium arsenide 7) lead (IV) sulfate 8) beryllium bicarbonate 9) manganese (III) sulfite 10) aluminum cyanide 11) Cr(PO 4) 2 12) V(CO 3) 2 13) Sn(NO 2) 2 14) Co 2 O 3

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