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4. Name of the compound FeO: a) Iron (II) oxide b) Iron (I) oxide c) Iron (IV) oxide d) Iron oxide

4. Name of the compound FeO: a) Iron (II) oxide b) Iron (I) oxide c) Iron (IV) oxide d) Iron oxide

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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1. Which statement about the electrons is True? a) Electrons are negatively charged b) Electrons are found in the nucleus of the atom c) Electrons have much more mass than any atom d) All atoms have electrons as part of their structure 2. On a summer day, the temperature may exceed 100°F. Correctly find his temperature in Celsius. a) 122°C. b) 8.0°C c) 38°C d) 56°C 3. Which of the following statements about subatomic particles is FALSE? a) A neutral atom contains the same number of protons and electrons. b) Protons have about the amount of charge as electrons but with opposite sign. c) Electrons make up most of the mass of an atom. d) Protons and neutrons are located in the nucleus of the atom. 4. Name of the compound FeO: a) Iron (II) oxide b) Iron (I) oxide c) Iron (IV) oxide d) Iron oxide 5. Which of the following measurements contains 2 significant figures? a) 1.002 cm b) 3.20 x 10 atoms c) 4100 mg d) 0.780
Transcribed Image Text:1. Which statement about the electrons is True? a) Electrons are negatively charged b) Electrons are found in the nucleus of the atom c) Electrons have much more mass than any atom d) All atoms have electrons as part of their structure 2. On a summer day, the temperature may exceed 100°F. Correctly find his temperature in Celsius. a) 122°C. b) 8.0°C c) 38°C d) 56°C 3. Which of the following statements about subatomic particles is FALSE? a) A neutral atom contains the same number of protons and electrons. b) Protons have about the amount of charge as electrons but with opposite sign. c) Electrons make up most of the mass of an atom. d) Protons and neutrons are located in the nucleus of the atom. 4. Name of the compound FeO: a) Iron (II) oxide b) Iron (I) oxide c) Iron (IV) oxide d) Iron oxide 5. Which of the following measurements contains 2 significant figures? a) 1.002 cm b) 3.20 x 10 atoms c) 4100 mg d) 0.780
6. List the elements in the compound CF2CI2 in order of increasing (smallest to largest) mass percent composition a) C>F> Cl b) F> Cl > C c) Cl > C > F d) Cl > F > C 7. An element containing 12 protons, 12 electrons and 26 neutrons will have the symbol: a) 26FE 26M8 b) 38MB c) 38Fe d) 8. What is the volume in liters (1) of 325 kg of jet fuel whose density is 0.671 g/mL? a) 4.84 x 102 b) 4. 84 x 105 c) 218.1 d) Data are not enough to calculate volume 9. What is the proper answer and number of significant figures for the following calculation: (28.914 - 19.3) x 8.152? a) 78.37 b) 80 c) 78.4 d) 78 10. How many electrons are in S2- ion? a) 12 b) 10 c) 18 d) 11
Transcribed Image Text:6. List the elements in the compound CF2CI2 in order of increasing (smallest to largest) mass percent composition a) C>F> Cl b) F> Cl > C c) Cl > C > F d) Cl > F > C 7. An element containing 12 protons, 12 electrons and 26 neutrons will have the symbol: a) 26FE 26M8 b) 38MB c) 38Fe d) 8. What is the volume in liters (1) of 325 kg of jet fuel whose density is 0.671 g/mL? a) 4.84 x 102 b) 4. 84 x 105 c) 218.1 d) Data are not enough to calculate volume 9. What is the proper answer and number of significant figures for the following calculation: (28.914 - 19.3) x 8.152? a) 78.37 b) 80 c) 78.4 d) 78 10. How many electrons are in S2- ion? a) 12 b) 10 c) 18 d) 11
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