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1. Which of the following elements is found in the same period of the periodic table as tin? a. silicone b. arsenic c. tellurium d. technetium ANSWER: c POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 3/4/2016 3:37 PM DATE MODIFIED: 3/4/2016 3:37 PM 2. Which element is the first one in the group IVA(14) of the periodic table? a. C b. Na c. Sc d. Ti ANSWER: a POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False ...
Chapter 02 Atoms and the Periodic Table 1. The scientist who determined the magnitude of the electric charge on the electron was A. John Dalton. B. Robert Millikan. C. J. J. Thomson. D. Henry Moseley. E. J. Burdge. Blooms: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Structure of the Atom Topic: Components of Matter 2. When J. J. Thomson discovered the electron, what physical property of the electron did he measure? A. its charge, e B. its charge-to-mass ratio,...
MULTIPLE CHOICE 1. Nitroglycerin decomposes violently according to the balanced chemical equation below. 2 C3H5(NO3)3( ) 3 N2(g) + 1/2 O2(g) + 6 CO2(g) + 5 H2O(g) Which of the following statements concerning this reaction is/are CORRECT? 1. Two moles of nitroglycerine will produce three moles of nitrogen and five moles of water. 2. Four molecules of nitroglycerine will produced one molecule of oxygen and twelve molecules of carbon dioxide. 3. Six grams of nitroglycerine w...
Chemistry: The Central Science, 14e (Brown, et al.) Chapter 3 Chemical Reactions and Reaction Stoichiometry 3.1 Multiple-Choice Questions 1) When the following equation is balanced, the coefficients are ________. C8H18 + O2 → CO2 + H2O A) 2, 3, 4, 4 B) 1, 4, 8, 9 C) 2, 12, 8, 9 D) 4, 4, 32, 36 E) 2, 25, 16, 18 Answer: E Diff: 2 Var: 1 Page Ref: Sec. 3.1 LO: 3.1 GO: G2 2) Of the reactions below, which one is not a combination reaction? A) C + O2 → CO2...
1. The molecular formula of a particular solid is C8H4O6. Its molecular mass is a. 288 amu. b. 100 amu. c. 296 amu. d. 196 amu. e. 170 amu. ANSWER: d POINTS: 1 DIFFICULTY: easy REFERENCES: 3.1 LEARNING OBJECTIVES: GENE.EBBI.13.67 - Calculate the formula mass from a formula. (Example 3.1) TOPICS: mass and moles of substance stoichiometry KEYWORDS: molecular mass OTHER: general chemistry 2. The hydrocarbon octane has the structural formula CH3(CH2)...
What is the ground state electron configuration of carbon? A. 1s22s22px1 B. 1s22s22px2 C. 1s22s22px12py1 D. 1s22s22px22py1 2. Which of the following has (have) the same electron configuration as Ne? Na- Mg2+ O2- Mg+ A. Na-andO2- B. Mg2+ and O2- C. Mg+ and O2- D. only Mg2+ Accessibility: Keyboard Navigation Bloom's Level: 3. Apply Chapter: 01 Difficulty: Medium Gradable: automatic Section: 01.01 Subtopic: Periodic table trends Topic: Structure and Bonding Accessibility: Keyboard Naviga...
Chapter 01 - Structure and Bonding 1. Give the ground-state electron configuration for carbon (atomic number 6). 1s22s22px12py1 or 1s22s22p2 2. Give the ground-state electron configuration for fluorine (atomic number 9). ANSWER: POINTS: 1 1s22s22px2 2py2 2pz1 or 1s22s22p5 3. Give the ground-state electron configuration for magnesium (atomic number 12). 1s22s22p63s2 4. How many electrons does silicon have in its valence shell? ANSWER: four POINTS: 1 Exhibit 1-1 Write valid Lewis (elec...
Chapter 1—Structure and Bonding SHORT ANSWER 1. Give the ground-state electron configuration for carbon (atomic number 6). ANS: 1s22s22px12py1 or 1s22s22p2 2. Give the ground-state electron configuration for fluorine (atomic number 9). ANS: 1s22s22px2 2py2 2pz1 or 1s22s22p5 3.Give the ground-state electron configuration for magnesium (atomic number 12). ANS: 1s22s22p63s2 4. How many electrons does silicon have in its valence shell? ANS: four Exhibit 1-1 Write valid Lewis (electron-...
Organic Chemistry, 6e (Smith) Chapter 1 Structure and Bonding 1) What is the ground-state electronic configuration of a carbon atom? A) 1s2, 2s2, 2p5 B) 1s2, 2s2, 2p2 C) 1s2, 2s2, 2p6 D) 1s2, 2s2, 2p4 Answer: B Difficulty: 1 Easy Section: 01.01 Topic: Structure and Bonding Bloom's: 2. Understand Chapter: 01 Accessibility: Keyboard Navigation 2) What is the ground-state electronic configuration of a fluorine atom? A) 1s2, 2s2, 2p2 B) 1s2, 2s2, 2p3 C) 1s2, 2s2, 2p4 D) 1s2, 2s2, 2p5 Ans...
Chapter 01 - Chemistry: An Introduction 1. Define the following terms: a. science b. chemistry ANS: a. Science - a framework for gaining and organizing knowledge. It is a procedure for processing and understanding certain information. b. Chemistry - the science that deals with the matter of the universe and the changes it can undergo. PTS: 1 DIF: easy MSC: general chemistry 2. Define the following terms: a. scientific method b. natural law c. hypothesis d. theory TOP: general concept...