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Who Wants to Win a Homework Pass PHYSICAL SCIENCE CHAPTER 5 REVIEW CHAPTER 5 REVIEW 1. Each energy level of an atom has a maximum number of ____ it can hold? 1. Electrons 2. Protons 3. Neutrons 4. Quarks CHAPTER 5 REVIEW 1. Each energy level of an atom has a maximum number of ____ it can hold? a. Electrons b. Protons c. Neutrons d. Quarks CHAPTER 5 REVIEW 2. How many electrons are in the outer energy level of Sodium? a. 1 b. 8 c. 9 d. 11 CHAPTER 5 REVIEW 2. How many electrons are in the outer energy level of Sodium? a. 1 b. 8 c. 9 d. 11 CHAPTER 5 REVIEW 3. How does sodium satisfy the octet rule and stabilize its electron configuration? a. Forms covalent bonds with other sodium atoms. b. Loses an electron to form a positive atom. c. Loses an electron to become a negative atom. d. Gains 17 electrons to become negative. CHAPTER 5 REVIEW 3. How does sodium satisfy the octet rule and stabilize its electron configuration? a. Forms covalent bonds with other sodium atoms. b. Loses an electron to form a positive atom. c. Loses an electron to become a negative atom. d. Gains 17 electrons to become negative. CHAPTER 5 REVIEW 1. What is the maximum number of electrons in the second energy level? a. 2 b. 4 c. 8 d. 10 CHAPTER 5 REVIEW 1. What is the maximum number of electrons in the second energy level? a. 2 b. 4 c. 8 d. 10 CHAPTER 5 REVIEW 2. What is the name given to the combining ability of an atom and also determines its charge when it becomes an ion. a. Charge number b. Ionic number c. Covalent number d. Oxidation number CHAPTER 5 REVIEW 2. What is the name given to the combining ability of an atom and also determines its charge when it becomes an ion. a. Charge number b. Ionic number c. Covalent number d. Oxidation number CHAPTER 5 REVIEW 3. Which is the correct dot diagram for chlorine? a. c. b. d. CHAPTER 5 REVIEW 3. Which is the correct dot diagram for chlorine? a. c. b. d. CHAPTER 5 REVIEW 1. This type of bond is formed when atoms transfer electrons causing them to have an overall charge. a. Covalent bond b. Electronic bond c. Ionic Bond d. Metallic Bond CHAPTER 5 REVIEW 1. This type of bond is formed when atoms transfer electrons causing them to have an overall charge. a. Covalent bond b. Electronic bond c. Ionic Bond d. Metallic Bond CHAPTER 5 REVIEW 2. Which of the following elements has an oxidation number of -2? a. Copper b. Magnesium c. Iodine d. Sulfur CHAPTER 5 REVIEW 2. Which of the following elements has an oxidation number of -2? a. Copper b. Magnesium c. Iodine d. Sulfur CHAPTER 5 REVIEW 3. What is the chemical formula for the ionic compound barium sulfate? a. BSO b. BaS2 c. BaSO4 d. Ba(SO4)2 CHAPTER 5 REVIEW 3. What is the chemical formula for barium sulfate? a. BSO b. BaS2 c. BaSO4 d. Ba(SO4)2 CHAPTER 5 REVIEW 1. What do you call a group of covalently bonded atoms that acts together as one charged atom? a. Binary compound b. Ion c. Polyatomic Ion d. Polar-covalent molecule CHAPTER 5 REVIEW 1. What do you call a group of atoms that acts together as one charged atom? a. Binary compound b. Ion c. Polyatomic Ion d. Polar-covalent molecule CHAPTER 5 REVIEW 2. What is the ratio of hydrogen atoms to oxygen atoms in water, H2O? a. 1:1 b. 2:1 c. 1:2 d. 2:2 CHAPTER 5 REVIEW 2. What is the ratio of hydrogen atoms to oxygen atoms in water, H2O? a. 1:1 b. 2:1 c. 1:2 d. 2:2 CHAPTER 5 REVIEW 3. How many atoms are in the compound ammonium phosphate, (NH4)3PO4? a. 11 b. 12 c. 18 d. 20 CHAPTER 5 REVIEW 3. How many atoms are in the compound ammonium phosphate, (NH4)3PO4? a. 11 b. 12 c. 18 d. 20 CHAPTER 5 REVIEW 1. What is a chemical bond that occurs when atoms share electrons? a. Covalent b. Ionic c. Hydrogen d. Polyatomic CHAPTER 5 REVIEW 1. What is a chemical bond that occurs when atoms share electrons? a. Covalent b. Ionic c. Hydrogen d. Polyatomic CHAPTER 5 REVIEW 2. How many hydrogen atoms are present in the compound ammonium hydroxide, NH4OH? a. 4 b. 5 c. 6 d. 7 CHAPTER 5 REVIEW 2. How many hydrogen atoms are present in the compound ammonium hydroxide, NH4OH? a. 4 b. 5 c. 6 d. 7 CHAPTER 5 REVIEW 3. Calculate the molar mass of NH4OH. a. 7 g/mol b. 32 g/mol c. 35 g/mol d. 49 g/mol CHAPTER 5 REVIEW 3. Calculate the molar mass of NH4OH. a. 7 g/mol b. 32 g/mol c. 35 g/mol d. 49 g/mol CHAPTER 5 REVIEW 3. Calculate the molar mass of NH4OH. c. 35 g/mol N = 1 x 14 g/mol H = 5 x 1 g/mol O = 1 x 16 g/mol = 14 + 5 + 16 = 35 g/mol CHAPTER 5 REVIEW 1. How is the oxidation number of an atom indicated? a. Coefficient b. Period of Element c. Subscript number d. Superscript number and + or - CHAPTER 5 REVIEW 1. How is the oxidation number of an atom indicated? a. Coefficient b. Period of Element c. Subscript number d. Superscript number and + or - CHAPTER 5 REVIEW 2. Why do the noble gases NOT form compounds readily? a. b. c. d. They have empty outer energy levels. They have no electrons. Their nuclei are electronegative. Their outer energy levels are completely filled with electrons. CHAPTER 5 REVIEW 2. Why do the noble gases NOT form compounds readily? a. b. c. d. They have empty outer energy levels. They have no electrons. Their nuclei are electronegative. Their outer energy levels are completely filled with electrons. CHAPTER 5 REVIEW 3. What is the chemical formula for Iron III Sulfate? a. b. c. d. Fe2(SO4)3 Fe2S3 Ir2(SO4)3 Ir(SO4)2 CHAPTER 5 REVIEW 3. What is the chemical formula for Iron III Sulfate? a. b. c. d. Fe2(SO4)3 Fe2S3 Ir2(SO4)3 Ir(SO4)2 CHAPTER 5 REVIEW 1. What charge does an electron carry? a. ionic b. negative c. neutral d. positive CHAPTER 5 REVIEW 1. What charge does an electron carry? a. ionic b. negative c. neutral d. positive CHAPTER 5 REVIEW 2. What is the formula for the ionic compound with the chemical name sodium chloride? a. NaCl b. NACL c. SCL2 d. SClO3 CHAPTER 5 REVIEW 2. What is the formula for the ionic compound with the chemical name sodium chloride? a. NaCl b. NACL c. SCL2 d. SClO3 CHAPTER 5 REVIEW 3. What is the name for the binary ionic compound made up of oxygen and calcium? a. Oxygen calcide b. Calcium oxygen c. Calcium Oxide d. Calcium Hydroxide CHAPTER 5 REVIEW 3. What is the name for the binary compound made up of oxygen and calcium? a. Oxygen calcide b. Calcium oxygen c. Calcium Oxide d. Calcium Hydroxide CHAPTER 5 REVIEW 1. In a chemical formula, how are the ratio of atoms in the compound indicated? a. Coefficients b. Oxidation numbers c. Subscript numbers d. Superscript numbers CHAPTER 5 REVIEW 1. In a chemical formula, how are the ratio of atoms in the compound indicated? a. Coefficients b. Oxidation numbers c. Subscript numbers d. Superscript numbers CHAPTER 5 REVIEW 2. What type of bond is shown in the following compound? a. Covalent b. Ionic c. Metallic d. Polar CHAPTER 5 REVIEW 2. What type of bond is shown in the following compound? a. Covalent b. Ionic c. Metallic d. Polar CHAPTER 5 REVIEW 3. What is the chemical formula for potassium hydroxide? a. KOH b. K2OH c. K(OH)2 d. PHO CHAPTER 5 REVIEW 3. What is the chemical formula for potassium hydroxide? a. KOH b. K2OH c. K(OH)2 d. PHO CHAPTER 5 REVIEW 1. An oxidation number of -1 is characteristic of which group? a. 1A Alkali Metals b. 2A Alkali Earth Metals c. 17A Halogens d. 18A Noble Gases CHAPTER 5 REVIEW 1. An oxidation number of -1 is characteristic of which group? a. 1A Alkali Metals b. 2A Alkali Earth Metals c. 17A Halogens d. 18A Noble Gases CHAPTER 5 REVIEW 2. One mole of sodium contains how many atoms of sodium? a. 9.8 x 1023 b. 6.02 x 1023 c. 10.06 x 1023 d. 23.6 x 109 CHAPTER 5 REVIEW 2. One mole of sodium contains how many atoms of sodium? a. 9.8 x 1023 b. 6.02 x 1023 c. 10.06 x 1023 d. 23.6 x 109 CHAPTER 5 REVIEW 3. What is the mass in grams of 10 moles of Lithium? a. 7 g b. 10 g c. 30 g d. 70 g CHAPTER 5 REVIEW 3. What is the mass in grams of 10 moles of Lithium? d. 70 g molar mass of Li = 6.941 (from periodic chart) Round up to 70 g/mol 10 mol Li x 7.0 g Li 1 1 mol Li = 70 g Li CHAPTER 5 REVIEW 3. What is the mass in grams of 10 moles of Lithium? d. 70 g molar mass of Li = 6.941 (from periodic chart) Round up to 70 g/mol 10 mol Li x 7.0 g Li 1 1 mol Li = 70 g Li CHAPTER 5 REVIEW 1. A molecule that has a slightly positive and negative end is called a. a binary compound b. an ion c. a polar molecule d. a polyatomic ion CHAPTER 5 REVIEW 1. A molecule that has a slightly positive and negative end is called a. a binary compound b. an ion c. a polar molecule d. a polyatomic ion CHAPTER 5 REVIEW 3. What is the oxidation number of iron in the compound FeO? a. +1 b. +2 c. +3 d. Neutral (0) CHAPTER 5 REVIEW 3. What is the oxidation number of iron in the compound FeO? a. +1 b. +2 c. +3 d. Neutral (0) CHAPTER 5 REVIEW 1. What do you call a compound with water molecules chemically attached? a. anion b. cation c. hydrate d. polyatiomc CHAPTER 5 REVIEW 1. What do you call a compound with water molecules chemically attached? a. anion b. cation c. hydrate d. polyatiomc CHAPTER 5 REVIEW 2. What do you call a compound when all the water has been removed? a. anion b. anhydrous c. dehydrous d. nonpolar CHAPTER 5 REVIEW 2. What do you call a compound when all the water has been removed? a. anion b. anhydrous c. dehydrous d. nonpolar CHAPTER 5 REVIEW 2. Which of the following is a polar molecule? a. b.. c. CHAPTER 5 REVIEW 2. Which of the following is a polar molecule? a. b.. c. CHAPTER 5 REVIEW BONUS What is the formula for calcium sulfate tetrahydrate ? a. CaSH20 b. CaSO4 • H2O c. CaSO • 4 H2O d. CaSO4 • 4 H2O CHAPTER 5 REVIEW BONUS What is the formula for calcium sulfate tetrahydrate ? a. CaSH20 b. CaSO4 • H2O c. CaSO • 4 H2O d. CaSO4 • 4 H2O