Moles x (conversion factor) = new unit
... The part is each element times its quantity The whole is the AM for the compound ...
... The part is each element times its quantity The whole is the AM for the compound ...
APS 1st semester exam review 2016
... C) The total number of electrons shown as being lost by the metal must equal the total number of electrons shown being gained by the nonmetal. D) The number 1 is NOT used as a subscript. E) When the subscripts would be the same for both the metal and nonmetal they are not used. F) If you are using a ...
... C) The total number of electrons shown as being lost by the metal must equal the total number of electrons shown being gained by the nonmetal. D) The number 1 is NOT used as a subscript. E) When the subscripts would be the same for both the metal and nonmetal they are not used. F) If you are using a ...
Document
... 47) Applying Concepts: The elements shown in the diagram are ______. a) part of the same group b) part of the same period c) not related ...
... 47) Applying Concepts: The elements shown in the diagram are ______. a) part of the same group b) part of the same period c) not related ...
MISE - Physical Basis of Chemistry
... the ratio of atomic weights can become individual values. Since hydrogen was believed to be the lightest element , H was assigned the weight of “1” and all other atomic weights were determined relative to the ratio with hydrogen. A lot of history intervened - such as isotopes, i.e., atoms of the sam ...
... the ratio of atomic weights can become individual values. Since hydrogen was believed to be the lightest element , H was assigned the weight of “1” and all other atomic weights were determined relative to the ratio with hydrogen. A lot of history intervened - such as isotopes, i.e., atoms of the sam ...
Sample Exercise 2.1 Illustrating the Size of an Atom
... Each compound is ionic and is named using the guidelines we have already discussed. In naming ionic compounds, it is important to recognize polyatomic ions and to determine the charge of cations with variable charge. (a) The cation in this compound is K+, and the anion is SO42–. (If you thought the ...
... Each compound is ionic and is named using the guidelines we have already discussed. In naming ionic compounds, it is important to recognize polyatomic ions and to determine the charge of cations with variable charge. (a) The cation in this compound is K+, and the anion is SO42–. (If you thought the ...
Ch 2 Sample Exercises PPT
... Each compound is ionic and is named using the guidelines we have already discussed. In naming ionic compounds, it is important to recognize polyatomic ions and to determine the charge of cations with variable charge. (a) The cation in this compound is K+, and the anion is SO42–. (If you thought the ...
... Each compound is ionic and is named using the guidelines we have already discussed. In naming ionic compounds, it is important to recognize polyatomic ions and to determine the charge of cations with variable charge. (a) The cation in this compound is K+, and the anion is SO42–. (If you thought the ...
unit 7 – writing and balancing chemical equations
... There are four physical state symbols which are used as subscripts immediately following substances whose physical states are known or given. (s) – solid, which is used for solids or precipitates () – liquid, which is used only for “true” liquids such as elements which are liquids at room temperatu ...
... There are four physical state symbols which are used as subscripts immediately following substances whose physical states are known or given. (s) – solid, which is used for solids or precipitates () – liquid, which is used only for “true” liquids such as elements which are liquids at room temperatu ...
Fundamental of Organic chemistry
... The hybrid orbitals are in tetravalent arrangement in order to minimize the repulsion among them. For such sp3 orbitals overlapping with is orbitals from four hydrogen atoms, methane is formed. ...
... The hybrid orbitals are in tetravalent arrangement in order to minimize the repulsion among them. For such sp3 orbitals overlapping with is orbitals from four hydrogen atoms, methane is formed. ...
Fundamentals of Chemistry
... their chemical properties may differ. • In some cases, an element may be more similar to neighbors within its period than it is to elements in its group. – For example, iron (Fe) is more similar to cobalt (Co) and nickel (Ni) than it is to ruthenium (Ru) and osmium (Os). – Most of these elements hav ...
... their chemical properties may differ. • In some cases, an element may be more similar to neighbors within its period than it is to elements in its group. – For example, iron (Fe) is more similar to cobalt (Co) and nickel (Ni) than it is to ruthenium (Ru) and osmium (Os). – Most of these elements hav ...
Midterm Review Questions and Answers
... and a mass number of 15.00 amu. What is the atomic mass of the element? 26. Rutherford’s famous experiment using alpha particles to bombard a thin sheet of gold foil indicated that most of the volume of the atoms in the foil is taken up by A. electrons B. protons C. neutrons D. empty space ...
... and a mass number of 15.00 amu. What is the atomic mass of the element? 26. Rutherford’s famous experiment using alpha particles to bombard a thin sheet of gold foil indicated that most of the volume of the atoms in the foil is taken up by A. electrons B. protons C. neutrons D. empty space ...
2016
... For those students who have already taken a high school chemistry course, much of the material in the summer packet will be familiar to you. For those students who will be taking AP Chemistry as your first high school chemistry course, the problems will help you build a foundation in chemistry and i ...
... For those students who have already taken a high school chemistry course, much of the material in the summer packet will be familiar to you. For those students who will be taking AP Chemistry as your first high school chemistry course, the problems will help you build a foundation in chemistry and i ...
Chapter 8 - Chemical Equations
... * because there is oxygen in every compound in the equation, it may be helpful to count the number of a polyatomic ion, rather than splitting the polyatomic ion into its elements and then counting.* EXAMPLE #6: ...
... * because there is oxygen in every compound in the equation, it may be helpful to count the number of a polyatomic ion, rather than splitting the polyatomic ion into its elements and then counting.* EXAMPLE #6: ...
chemistry final - Madison Public Schools
... 28. A solution can be distinguished from a compound by its: A. heterogeneous nature. B. lack of color. ...
... 28. A solution can be distinguished from a compound by its: A. heterogeneous nature. B. lack of color. ...
Chemical Reactions
... • Ionic compounds are formed by a metal and a nonmetal • Charge must be zero • Ex: magnesium (Mg) has two valence electrons, so has a change of +2; chlorine needs one val. el. to make a full set, so it’s charge is -1. Therefore you need 2 chlorine ions to equal zero: ...
... • Ionic compounds are formed by a metal and a nonmetal • Charge must be zero • Ex: magnesium (Mg) has two valence electrons, so has a change of +2; chlorine needs one val. el. to make a full set, so it’s charge is -1. Therefore you need 2 chlorine ions to equal zero: ...
Chapter 06 Notes (PowerPoint) File
... Molar Mass of Compounds • the relative weights of molecules can be calculated from atomic weights Formula Mass = 1 molecule of H2O = 2(1.01 amu H) + 16.00 amu O = 18.02 amu • since 1 mole of H2O contains 2 moles of H and 1 mole of O Molar Mass = 1 mole H2O = 2(1.01 g H) + 16.00 g O = 18.02 g ...
... Molar Mass of Compounds • the relative weights of molecules can be calculated from atomic weights Formula Mass = 1 molecule of H2O = 2(1.01 amu H) + 16.00 amu O = 18.02 amu • since 1 mole of H2O contains 2 moles of H and 1 mole of O Molar Mass = 1 mole H2O = 2(1.01 g H) + 16.00 g O = 18.02 g ...
UNIT 2 ATOMS, MATTER, AND THE MOLE
... When multiplying or dividing data, the answer contains the same number of sig figs as the datum with the least number of sig figs. ...
... When multiplying or dividing data, the answer contains the same number of sig figs as the datum with the least number of sig figs. ...
Chemical Stoichiometry
... The dye indigo is a compound with tremendous economic importance (blue jeans wouldn’t be blue without it.) Indigo’s percent composition is: 73.27% C; 3.84% H; 10.68%N and 12.21% O. What is the empirical formula of indigo? ...
... The dye indigo is a compound with tremendous economic importance (blue jeans wouldn’t be blue without it.) Indigo’s percent composition is: 73.27% C; 3.84% H; 10.68%N and 12.21% O. What is the empirical formula of indigo? ...
Bonding practice lessons 1-3
... B) mostly ionic in character and formed between a metal and a nonmetal C) mostly covalent in character and formed between two nonmetal D) mostly covalent in character and formed between a metal and a nonmetal 10. Two atoms with an electronegativity difference of 0.4 form a bond that is A) B) C) D) ...
... B) mostly ionic in character and formed between a metal and a nonmetal C) mostly covalent in character and formed between two nonmetal D) mostly covalent in character and formed between a metal and a nonmetal 10. Two atoms with an electronegativity difference of 0.4 form a bond that is A) B) C) D) ...
CHAPTER 2: ATOMS, MOLECULES AND IONS ULES AND IONS
... 2) The weight of a container with some chemicals is 250 g. If the chemicals are burned in a closed container, which one of the following is true? a) Weight decrease less than 250 g ...
... 2) The weight of a container with some chemicals is 250 g. If the chemicals are burned in a closed container, which one of the following is true? a) Weight decrease less than 250 g ...
Covalent bonding
... e.g., draw the Lewis structures of CO2, PCl3 & ClO3-Sum the valence e- from all atoms (use group number) -Write the element symbols - show how they are connected For binary compounds: central atom written first -Draw a single bond between each bonded atom pair Each single bond uses two electrons ...
... e.g., draw the Lewis structures of CO2, PCl3 & ClO3-Sum the valence e- from all atoms (use group number) -Write the element symbols - show how they are connected For binary compounds: central atom written first -Draw a single bond between each bonded atom pair Each single bond uses two electrons ...
AP Chemistry Summer Assignment 2016 revised
... Use print and Internet Resources to complete the following problems. The URLs below represent a fraction of the available chemistry addresses available. Please feel free to expand the list and find other web sites that help prepare you for the coming year. We recommend that you complete as many onl ...
... Use print and Internet Resources to complete the following problems. The URLs below represent a fraction of the available chemistry addresses available. Please feel free to expand the list and find other web sites that help prepare you for the coming year. We recommend that you complete as many onl ...
Name: Northwest Vista College Chem 1311
... C) CH3COOH (acetic acid) D) CH3CH2OH (ethanol) E) KOH 9. Based on the solubility rules, which of the following will occur if solutions of CuSO 4(aq) and ...
... C) CH3COOH (acetic acid) D) CH3CH2OH (ethanol) E) KOH 9. Based on the solubility rules, which of the following will occur if solutions of CuSO 4(aq) and ...
112 ex iii lec outline f 04
... 3 Ligands are listed in alphabetical order 4 Prefixes that give the number of ligands are not considered indetermining the alphabetical order 5 The names of anionic ligands end in the letter “o” 6 Neutral ligands generally have the molecule name Exception are water and ammonia 7 A greek prefix (di,t ...
... 3 Ligands are listed in alphabetical order 4 Prefixes that give the number of ligands are not considered indetermining the alphabetical order 5 The names of anionic ligands end in the letter “o” 6 Neutral ligands generally have the molecule name Exception are water and ammonia 7 A greek prefix (di,t ...
Double-Replacement Reactions - Fort Thomas Independent Schools
... 2 Al (s) + 3 CuCl2 (aq) 3Cu (s) + 2 AlCl3 (aq) ...
... 2 Al (s) + 3 CuCl2 (aq) 3Cu (s) + 2 AlCl3 (aq) ...