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. One isotope of oxygen has the atomic number 8 and the mass number 18. An atom of this isotope contains

. One isotope of oxygen has the atomic number 8 and the mass number 18. An atom of this isotope contains

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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9. What observations in the gold foil experiment made Rutherford conclude that atoms are mostly empty space? A. Some alpha particles were deflected at smaller angles. B. Most alpha particles passed through the gold foil undeflected. C. Few alpha particles deflected almost back towards the source. D. Very few particles were deflected from their path, indicating that the positive charge of the atom occupies very large space. 10. What conclusion did Rutherford's gold foil experiment lead to? A. Atoms are indivisible. B. Neutrons are located in the nucleus. C. Atoms contain a positively charged nucleus. D. Electrons move in definite energy levels called shells. 11. Which of the following statements concerning subatomic particles is correct? A. Three fundamental types exist, all of which are charged. B. Three fundamental types exist, one of which is charged. C. Three fundamental types exist, two of which are charged. D. Three fundamental types exist, none of which are charged. 12. One isotope of oxygen has the atomic number 8 and the mass number 18. An atom of this isotope contains A. 8 protons B. 8 neutrons C. 9 neutrons D. 18 electrons 13. Element A has a mass number of 100 while element B has an atomic number of 118. What will be the number of electrons of element B? A. 59 В. 60 С. 118 D. 120 14. How many protons, neutrons and electrons are in the neutral atom of 35,C1? A. 17 protons, 15 neutrons and 17 electrons B. 17 protons, 17 neutrons and 17 electrons C. 17. protons, 17 neutrons and 18 electrons D. 17 protons, 18 neutrons and 17 electrons 15. Which of the following statements CORRECTLY describes atoms, ions and isotopes? I. Neutral atom has equal number of protons, neutrons and electrons. II. Atoms are the smallest particles of matter that retain the characteristics of an element. III. Isotopes are atoms of the same element with unequal number of neutrons in the nucleus. IV. Ions are atoms with unequal number of protons and electrons and are formed when an atom loses or gains electrons. 29 co Q3_Science 8_ Module 3 A. 1, II and III B. II, III and IV C. I, III and IV D. 1, II, III and IV
Transcribed Image Text:9. What observations in the gold foil experiment made Rutherford conclude that atoms are mostly empty space? A. Some alpha particles were deflected at smaller angles. B. Most alpha particles passed through the gold foil undeflected. C. Few alpha particles deflected almost back towards the source. D. Very few particles were deflected from their path, indicating that the positive charge of the atom occupies very large space. 10. What conclusion did Rutherford's gold foil experiment lead to? A. Atoms are indivisible. B. Neutrons are located in the nucleus. C. Atoms contain a positively charged nucleus. D. Electrons move in definite energy levels called shells. 11. Which of the following statements concerning subatomic particles is correct? A. Three fundamental types exist, all of which are charged. B. Three fundamental types exist, one of which is charged. C. Three fundamental types exist, two of which are charged. D. Three fundamental types exist, none of which are charged. 12. One isotope of oxygen has the atomic number 8 and the mass number 18. An atom of this isotope contains A. 8 protons B. 8 neutrons C. 9 neutrons D. 18 electrons 13. Element A has a mass number of 100 while element B has an atomic number of 118. What will be the number of electrons of element B? A. 59 В. 60 С. 118 D. 120 14. How many protons, neutrons and electrons are in the neutral atom of 35,C1? A. 17 protons, 15 neutrons and 17 electrons B. 17 protons, 17 neutrons and 17 electrons C. 17. protons, 17 neutrons and 18 electrons D. 17 protons, 18 neutrons and 17 electrons 15. Which of the following statements CORRECTLY describes atoms, ions and isotopes? I. Neutral atom has equal number of protons, neutrons and electrons. II. Atoms are the smallest particles of matter that retain the characteristics of an element. III. Isotopes are atoms of the same element with unequal number of neutrons in the nucleus. IV. Ions are atoms with unequal number of protons and electrons and are formed when an atom loses or gains electrons. 29 co Q3_Science 8_ Module 3 A. 1, II and III B. II, III and IV C. I, III and IV D. 1, II, III and IV
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