1 Chemistry Basics: Matter And Measurement 2 Atoms And Radioactivity 3 Compounds: How Elements Combine 4 Introduction To Organic Compounds 5 Chemical Reactions 6 Carbohydrates: Life’s Sweet Molecules 7 What’s The Attraction? Gas Laws, State Changes, Solubility, And Lipids 8 Solution Chemistry: How Sweet Is Your Coffee? 9 Acids, Bases, And Buffers In The Body 10 Proteins: Workers Of The Cell 11 Nucleic Acids: Big Molecules With A Big Role 12 Food As Fuel: A Metabolic Overview expand_more
Chapter Questions expand_more
Problem 3.1PP: How many electrons are in each energy level of the following elements? a. He b. C c. Na d. Ne Problem 3.2PP: How many electrons are in each energy level of the following elements? a. H b. F c. Ar d. K Problem 3.3PP: How many valence electrons are present in the following atoms? a. O b. C c. P d. Na Problem 3.4PP: How many valence electrons are present in the following atoms? a. S b. Mg c. Be d. C1 Problem 3.5PP: Which of the following elements are stable as atoms? a. H b. N c. Ne d. Na Problem 3.6PP: Which of the following elements are stable as atoms? a. He b. O c. Cl d. Ar Problem 3.7PP Problem 3.8PP Problem 3.9PP Problem 3.10PP: How are the names of a transition metal atom and its cation different? Problem 3.11PP: Provide the charge on each element when an ion is formed: a. calcium b. oxygen c. nitrogen d.... Problem 3.12PP: Provide the charge on each element when an ion is formed: a. sodium b. phosphorus c. magnesium d.... Problem 3.13PP Problem 3.14PP: How many protons and electrons are present in the following ions? a. Al3+ b. Br c. Hg+ d. N3 Problem 3.15PP: Name the ions in Problem 3.13. Problem 3.16PP Problem 3.17PP Problem 3.18PP: Give the name and symbol of the ion with the following number of protons and electrons: a. 11... Problem 3.19PP Problem 3.20PP: Name the following ions: a. Cu2+ b. SO42 c. HPO42 Problem 3.21PP Problem 3.22PP Problem 3.23PP Problem 3.24PP Problem 3.25PP Problem 3.26PP Problem 3.27PP Problem 3.28PP Problem 3.29PP: Draw the correct Lewis structure for each of the following covalent compounds: a. CHCl3, chloroform... Problem 3.30PP: Draw the correct Lewis structure for each of the following covalent compounds: a. H2O b. C2H8,... Problem 3.31PP: Draw the correct Lewis structure for each of the following covalent compounds: a. SiO2, quartz b.... Problem 3.32PP: Draw the correct Lewis structure for each of the following covalent compounds: a. CH2Cl2, methylene... Problem 3.33PP: Determine whether each of the following is a covalent or ionic compound: a. NF3 b. Fe2O3 c. Cs2CO3... Problem 3.34PP: Determine whether each of the following is a covalent or ionic compound: a. Li2O b. CS2 c. AlCl3 d.... Problem 3.35PP Problem 3.36PP Problem 3.37PP: Compare (a) the number of atoms and (b) the number of grams present in 1.00 mole of silver (Ag) and... Problem 3.38PP: Compare (a) the number of atoms and (b) the number of grams present in 1.00 mole of helium and 1.00... Problem 3.39PP: Calculate the following: a. the number of Na atoms in 0.250 mole of Na b. the number of moles in 4.0... Problem 3.40PP: Calculate the following: a. the number of S atoms in 0.660 mole of S b. the number of moles in 15.0... Problem 3.41PP Problem 3.42PP: Determine the molar mass for the following compounds: a. ethylene, a ripening hormone, C2H4 b.... Problem 3.43PP Problem 3.44PP Problem 3.45PP: For the molecules shown, indicate whether the orange-colored atoms are in-front-of, behind, or in... Problem 3.46PP: For the molecules shown, indicate whether the orange-colored atoms are in-front-of, behind, or in... Problem 3.47PP: For the molecules in 3.45, determine the shape around the central carbon. Problem 3.48PP: For the molecules in 3.46, determine the around the central carbon. Problem 3.49PP Problem 3.50PP Problem 3.51PP Problem 3.52PP: For each of the following molecules, (1) draw the correct Lewis structure; (2) label each polar... Problem 3.53AP Problem 3.54AP Problem 3.55AP Problem 3.56AP: How many valence electrons are present in the following atoms? a. N b. Mg c. S d. Si Problem 3.57AP Problem 3.58AP Problem 3.59AP: Complete the following statements: a. An anion has more/fewer (circle one) protons than electrons.... Problem 3.60AP Problem 3.61AP Problem 3.62AP Problem 3.63AP Problem 3.64AP Problem 3.65AP Problem 3.66AP Problem 3.67AP: Each of the following ions is isoelectronic with a noble gas. Name the ion and give the symbol of... Problem 3.68AP: Each of the following ions is isoelectronic with a noble gas. Name the ion and give the symbol of... Problem 3.69AP Problem 3.70AP Problem 3.71AP: Give the formula for the ionic compound formed by the ammonium ion and each of the following anions:... Problem 3.72AP Problem 3.73AP Problem 3.74AP: Give the formula for each of the following ionic compounds: a. potassium chlorate, used in fireworks... Problem 3.75AP: Name the following ionic compounds: a. Na2O b. BaSO4 c. CuCl2 d. Mg(NO3)2 e. Fe2O3 f. KF Problem 3.76AP Problem 3.77AP Problem 3.78AP Problem 3.79AP Problem 3.80AP Problem 3.81AP Problem 3.82AP Problem 3.83AP Problem 3.84AP Problem 3.85AP Problem 3.86AP: Explain the difference between a Lewis structure and a molecular formula. Problem 3.87AP: Draw a Lewis structure for each of the following covalent compounds: a. HCN b. CS2 c. PCl3 d. CH5N Problem 3.88AP: Draw a Lewis structure for each of the following covalent compounds: a. CH4O b. N2H4 c. Br2 d.... Problem 3.89AP Problem 3.90AP: Give the name of each of the following covalent compounds: a. SO2 b. CI4 c. SiS2 d. SCl2 Problem 3.91AP: Explain the difference between an ionic bond and a covalent bond. Problem 3.92AP: What are the units of Avogadros number? Problem 3.93AP Problem 3.94AP Problem 3.95AP: What is the mass of 4.00 moles of the following? a. He b. Li c. KNO3 d. C2H6O Problem 3.96AP: How many atoms or molecules are in 5.0 moles of the following? a. O b. N c. MgCl2 d. C2H3NO Problem 3.97AP: A pencil mark (made with graphite, a form of carbon) on paper has a mass of about 0.000005 g (5 106... Problem 3.98AP Problem 3.99AP Problem 3.100AP Problem 3.101AP: Aspartic acid, a naturally occurring amino acid and used in the brain as a neurotransmitter, is also... Problem 3.102AP: Cyanoacrylic acid is one of the compounds used to make Super Glue. Determine the shape of the... Problem 3.103AP: Methyl isocyanate is used in the manufacturing of pesticides and was the deadly gas released from a... Problem 3.104AP: Vinyl acetate is used in the production of safety glass for the automotive industry. Determine the... Problem 3.105AP: Identify the more electronegative atom in each of the following pairs: a. S and Se b. P and N c. C... Problem 3.106AP: Identify the more electronegative atom in each of the following pairs: a. H and Cl b. N and O c. C... Problem 3.107AP Problem 3.108AP Problem 3.109CP Problem 3.110CP Problem 3.111CP Problem 3.112CP: Vinyl chloride, C2H3Cl, is used in the production of poly-vinyl chloride (PVC), a plastic used to... Problem 3.113CP: One of the most common compounds used in commercial dry deaning is tetrachloroethylene, which has... Problem 1IA.1Q Problem 1IA.2Q Problem 1IA.3Q Problem 1IA.4Q Problem 1IA.5Q Problem 1IA.6Q Problem 1IA.7Q Problem 1IA.8Q Problem 2IA.1Q Problem 2IA.2Q: Complete the following table: Molecular Formula Lewis Structure Molecular Shape (geometry) [from... Problem 2IA.3Q: Complete the following table: Molecular Formula Lewis Structure Molecular Shape (geometry) Number of... Problem 2IA.4Q: Based on the tables in questions 2 and 3, does the number of atoms attached to a central carbon atom... Problem 3IA.1Q Problem 3IA.2Q Problem 3IA.3Q: Draw the Lewis structure for ammonia. NH3. Show the polarity of the bonds between N and H on the... Problem 3IA.4Q: Draw the Lewis structure for H2O. Show the polarity of the bonds on the structure you drew using the... Problem 3IA.5Q: Draw the Lewis structure for carbon dioxide. What is the molecular shape (geometry) around the... Problem 3IA.6Q: Draw the Lewis structure for carbon tetrachloride, CCl4. What is the molecular shape (geometry)... Problem 3IA.7Q Problem 3IA.8Q: Using a dipole moment arrow (), indicate the overall molecular polarity for the following molecules... Problem 1IC: Find out which cations and anions are important in your body. format_list_bulleted