Slide 1 / 34 Slide 2 / 34 Atomic Origins Multiple Choice Slides 2015-10-27 www.njctl.org Slide 3 / 34 1 What was the first particle discovered inside an atom? A Proton B Neutron C Electron D Nucleus
Slide 3 (Answer) / 34 1 What was the first particle discovered inside an atom? A Proton B Neutron Answer C Electron C D Nucleus [This object is a pull tab] Slide 4 / 34 2 What characteristic of cathode rays led scientists to believe that they were negatively charged? A They were small B They were easily deflected C The were deflected towards a positive electrode D They moved quickly Slide 4 (Answer) / 34 2 What characteristic of cathode rays led scientists to believe that they were negatively charged? A They were small Answer B They were easily deflected C C The were deflected towards a positive electrode D They moved quickly [This object is a pull tab]
Slide 5 / 34 3 Millikan discovered the charge of this subatomic particle by calculating the charge of small oil droplets. A Electron B Neutron C Proton D Nucleus Slide 5 (Answer) / 34 3 Millikan discovered the charge of this subatomic particle by calculating the charge of small oil droplets. A Electron Answer B Neutron A C Proton D Nucleus [This object is a pull tab] Slide 6 / 34 4 Of the three types of radioactivity characterized by Rutherford, which are particles? α-rays, β-rays, and γ-rays A γ-rays B α-rays and γ-rays C α-rays and β-rays D
Slide 6 (Answer) / 34 4 Of the three types of radioactivity characterized by Rutherford, which are particles? α-rays, β-rays, and γ-rays A γ-rays B Answer α-rays and γ-rays C D α-rays and β-rays D [This object is a pull tab] Slide 7 / 34 5 Which form of radiation has a positive charge? A α B β C γ D δ Slide 7 (Answer) / 34 5 Which form of radiation has a positive charge? A α B β Answer C γ A D δ [This object is a pull tab]
Slide 8 / 34 6 The gold foil experiment __________. A confirmed the plum-pudding model of the atom B led to the discovery of the atomic nucleus C was the basis for Thomson's model of the atom D utilized the deflection of beta particles by gold foil Slide 8 (Answer) / 34 6 The gold foil experiment __________. A confirmed the plum-pudding model of the atom B led to the discovery of the atomic nucleus C was the basis for Thomson's model of the atom Answer B D utilized the deflection of beta particles by gold foil [This object is a pull tab] Slide 9 / 34 7 The nucleus of an atom does not contain __________. A subatomic particles B protons or neutrons C neutrons D electrons
Slide 9 (Answer) / 34 7 The nucleus of an atom does not contain __________. A subatomic particles B protons or neutrons Answer D C neutrons D electrons [This object is a pull tab] Slide 10 / 34 8 Which subatomic particle has the smallest mass? A Proton B Neutron C Electron D Nucleus Slide 10 (Answer) / 34 8 Which subatomic particle has the smallest mass? A Proton B Neutron Answer C Electron C D Nucleus [This object is a pull tab]
Slide 11 / 34 9 Which subatomic particle has a positive charge? A Proton B Neutron C Electron D Nucleus Slide 11 (Answer) / 34 9 Which subatomic particle has a positive charge? A Proton B Neutron Answer C Electron A D Nucleus [This object is a pull tab] Slide 12 / 34 10 The atomic number indicates __________. A the number of neutrons in a nucleus B the total number of neutrons and protons in a nucleus C the number of isotopes of an element D the number of protons in an atom
Slide 12 (Answer) / 34 10 The atomic number indicates __________. A the number of neutrons in a nucleus B the total number of neutrons and protons in a nucleus C the number of isotopes of an element Answer D the number of protons in an atom D [This object is a pull tab] Slide 13 / 34 X 11 In the symbol, C, x is __________. 6 A the number of neutrons B the atomic number C the mass number D the isotope number Slide 13 (Answer) / 34 X 11 In the symbol, C, x is __________. 6 A the number of neutrons B the atomic number Answer C the mass number C D the isotope number [This object is a pull tab]
Slide 14 / 34 12 There are ________electrons, _________protons, and ________neutrons in an atom of Cs. 133 55 A 132, 132, 54 B 54, 54, 132 C 78, 78, 54 D 55, 55, 78 Slide 14 (Answer) / 34 12 There are ________electrons, _________protons, 133 and ________neutrons in an atom of Cs. 55 A 132, 132, 54 B 54, 54, 132 Answer C D 78, 78, 54 D 55, 55, 78 [This object is a pull tab] Slide 15 / 34 13 How many electrons are in an Iron atom? A 23 B 26 C 27 D 28
Slide 15 (Answer) / 34 13 How many electrons are in an Iron atom? A 23 B 26 Answer C 27 B D 28 [This object is a pull tab] Slide 16 / 34 14 In balancing the nuclear reaction U # E + He, the 232 238 4 92 2 90 identity of element E is A Pu B Np C Th D Pa Slide 16 (Answer) / 34 14 In balancing the nuclear reaction U # E + He, the 238 232 4 92 90 2 identity of element E is A Pu B Np C Th Answer D Pa C [This object is a pull tab]
Slide 17 / 34 15 This reaction Po # Pb + _____ is an example of 206 210 84 82 _______. A alpha decay B beta emission C gamma emission D positron emission Slide 17 (Answer) / 34 15 This reaction Po # Pb + _____ is an example of 210 206 84 82 _______. A alpha decay Answer B beta emission A C gamma emission D positron emission [This object is a pull tab] Slide 18 / 34 16 The missing product from this reaction is __________. 121 121 I # Te + _____ 53 52 4 A He 2 0 B e -1 1 C n 0 0 D e 1
Slide 18 (Answer) / 34 16 The missing product from this reaction is __________. 121 121 I # Te + _____ 53 52 4 A He Answer 2 0 D B e -1 1 C n 0 0 D e 1 [This object is a pull tab] Slide 19 / 34 17 This reaction is an example of __________. 41 41 Ca → 19 K + _____ 20 A alpha decay B beta decay C positron decay D electron capture E gamma emission Slide 19 (Answer) / 34 17 This reaction is an example of __________. 41 41 Ca → 19 K + _____ 20 A alpha decay B beta decay Answer C C positron decay D electron capture E gamma emission [This object is a pull tab]
Slide 20 / 34 18 Which isotope has 45 neutrons? 80 A Kr 36 80 B Br 35 78 C Se 34 34 D Cl 17 Slide 20 (Answer) / 34 18 Which isotope has 45 neutrons? 80 A Kr 36 80 B Br 35 Answer 78 C Se 34 B 34 D Cl 17 [This object is a pull tab] Slide 21 / 34 19 Bombardment of uranium-235 with a neutron generates tellurium-135, 3 neutrons, and __________. A zirconium-98. B krypton-101. C krypton-103. D strontium-99.
Slide 21 (Answer) / 34 19 Bombardment of uranium-235 with a neutron generates tellurium-135, 3 neutrons, and __________. A zirconium-98. Answer A B krypton-101. C krypton-103. D strontium-99. [This object is a pull tab] Slide 22 / 34 20 The reaction shown below is responsible for creating 14 C in the atmosphere. What is the bombarding particle? 147 N + ____ → 146 C + 11 H A alpha particle B electron C neutron D positron Slide 22 (Answer) / 34 20 The reaction shown below is responsible for creating 14 C in the atmosphere. What is the bombarding particle? 147 N + ____ → 146 C + 11 H A alpha particle B electron C neutron D positron Answer D [This object is a pull tab]
Slide 23 / 34 21 What happens to the mass number and the atomic number of an element when it undergoes beta decay? A Neither the mass number nor the atomic number change. The mass number decreases by 4 and the atomic B number decreases by 2. The mass number does not change and the atomic C number increases by 1. The mass number does not change and the atomic D number decreases by 2. Slide 23 (Answer) / 34 21 What happens to the mass number and the atomic number of an element when it undergoes beta decay? A Neither the mass number nor the atomic number change. The mass number decreases by 4 and the atomic Answer B number decreases by 2. C The mass number does not change and the atomic C number increases by 1. The mass number does not change and the atomic D [This object is a pull number decreases by 2. tab] Slide 24 / 34 22 Which one of the following is a correct representation of a beta particle? 4 A e 2 0 e B 1 0 e C -1 2 β D 4
Slide 24 (Answer) / 34 22 Which one of the following is a correct representation of a beta particle? 4 A e 2 0 e B 1 0 e C -1 Answer 2 β D C 4 [This object is a pull tab] Slide 25 / 34 23 Which one of the following processes results in an increase in the atomic number? A gamma emission B positron emission C beta emission D alpha emission Slide 25 (Answer) / 34 23 Which one of the following processes results in an increase in the atomic number? A gamma emission B positron emission C beta emission D alpha emission Answer C [This object is a pull tab]
Recommend
More recommend
