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Section 1.3 Review Game Dollar : US :: Pound : 1. 2. 3. 4. Italy Britain Norway Spain 85% 5% 1 5% 2 3 5% 4 John Dalton proposed which model of the atom in 1803? 1. 2. 3. 4. 5. Plum pudding model Nuclear model Solid sphere model Solar system model Proton model 70% 25% 5% 1 2 3 0% 0% 4 5 The observation that elements cannot be created or destroyed in chemical reactions supported which model of the atom? 1. Plum pudding model 47% 2. Nuclear model 37% 3. Solid sphere model 4. Solar system model 5. Proton model 11% 5% 0% 1 2 3 4 5 In 1897, J.J. Thomson discovered that a negative charge could be removed from the atom. This evidence led him to propose the _________________ model of the atom. 1. 2. 3. 4. 5. Plum pudding Nuclear Solid sphere Solar system Proton 50% 25% 10% 10% 5% 1 2 3 4 5 In 1911, Ernst Rutherford conducted the gold foil experiment in which he shot alpha particles at a thin sheet of gold foil. He found that… 1. All particles went through 2. Most particles went through; a few bounced back 3. Few particles went through; most bounced back 4. All particles bounced back 84% 5% 0% 1 2 3 11% 4 The evidence from the gold foil experiment led Rutherford to conclude the… 1. Atom was neutrally charged 2. Electrons make up most of the mass of an atom 3. Atom has a dense negative nucleus 4. Atom is mostly empty space 5. All of the above 41% 29% 18% 6% 1 6% 2 3 4 5 Which is the most current model of the atom that we have been using in class? 1. 85% 2. 3. - 4. - 15% 0% 5. - 1 0% 2 3 0% 4 5 Which of the following uniquely defines an element? 1. 2. 3. 4. 5. 6. 7. Atomic mass Atomic number Number of protons Number of neutrons Mass number Both 2 & 3 None of the above 61% 28% 6% 1 6% 2 3 0% 0% 4 5 0% 6 7 For an atom to be neutral, it must contain the same number of… 1. 2. 3. 4. Protons & neutrons Protons & electrons Electrons & neutrons All three must be equal in number 68% 16% 16% 0% 1 2 3 4 What accounts for most of the mass of the atom? 1. 2. 3. 4. 5. The electrons The protons The neutrons The nucleus All have equal size and mass 75% 15% 10% 0% 1 0% 2 3 4 5 Participant Scores 800 Anna Lawrence 400 Kristen Crable 700 700 500 500 Tanner Helms Kayleigh Rine Adelaide Burgess David Meyer 400 400 400 400 Elle McCartney Morgan May Hannah Domanick Mark Armstrong 500 500 500 Raisa Gregor Madisen Paige Lindsey Schoch 300 300 300 Jordyn Mihalik Wylyn McCullough Meghan Bird 500 500 Joseph Bertolino Hailey Seibel 200 200 Emma Finley Taylor Lair What percentage of your current points would you like to wager on the next question? 1. 2. 3. 4. 5. 0% 25% 50% 75% 100% If the atom were the size of this then the nucleus would be the size of… 1. 2. 3. 4. A marble A golf ball A basketball A very large beach ball 5. A hot air balloon 6. None of the above 74% 11% 11% 5% 0% 1 2 3 4 0% 5 6 Participant Scores 1500 Tanner Helms 850 Lindsey Schoch 1325 1300 1100 975 Kayleigh Rine Anna Lawrence Joseph Bertolino Adelaide Burgess 700 700 500 300 Wylyn McCullough Morgan May Taylor Lair Meghan Bird 900 900 900 Kristen Crable Elle McCartney Mark Armstrong 250 225 200 Hailey Seibel Jordyn Mihalik Hannah Domanick 850 850 Raisa Gregor David Meyer 50 0 Emma Finley Madisen Paige Electrons are about half the size of protons but have the same amount of charge just opposite. 1. All true 2. Part 1 is true; Part 2 is false 3. Part 1 is false; Part 2 is true 4. All false 69% 13% 13% 6% 1 2 3 4 Which of the following is NOT true? 1. Scientists have direct evidence for the structure of the atom. 2. Protons have a mass of about 1 amu. 3. Neutrons have a slightly larger mass than protons. 4. Neutrons have no charge. 68% 26% 5% 0% 1 2 3 4 (-) (+) Predict the most abundant isotope of titanium (Ti). 1. 2. 3. 4. 5. 6. Titanium-22 Titanium-25 Titanium-26 Titanium-47 Titanium-47.867 Titanium-48 67% 13% 13% 7% 0% 1 2 0% 3 4 5 6 This number is… 1. The number of electrons if neutral 2. The mass number 3. The average atomic mass 4. The number of neutrons 5. The mass of one isotope 56% 17% 17% 6% 1 2 3 6% 4 5 Participant Scores 1700 Tanner Helms 1000 Morgan May 1625 1500 1300 1175 Kayleigh Rine Anna Lawrence Joseph Bertolino Adelaide Burgess 1000 900 800 550 Kristen Crable Wylyn McCullough Taylor Lair Hailey Seibel 1150 1150 1100 David Meyer Lindsey Schoch Mark Armstrong 525 500 350 Jordyn Mihalik Hannah Domanick Emma Finley 1050 1000 Raisa Gregor Elle McCartney 300 100 Meghan Bird Madisen Paige What percentage of your current points would you like to wager on the next question? 1. 2. 3. 4. 5. 0% 25% 50% 75% 100% This number is… 1. The atomic number 2. The mass number 3. The number of protons 4. The number of neutrons 5. Not the mass of any one atom of Cl 65% 35% 0% 1 0% 2 3 0% 4 5 Participant Scores 2943.75 Kayleigh Rine 275 Hailey Seibel 2725 2200 2100 1900 Anna Lawrence Raisa Gregor Elle McCartney Wylyn McCullough 125 0 0 0 Hannah Domanick Madisen Paige Emma Finley Meghan Bird 1862.5 1250 575 Adelaide Burgess David Meyer Lindsey Schoch 0 0 0 Taylor Lair Mark Armstrong Tanner Helms 500 393.75 Morgan May Jordyn Mihalik 0 0 Joseph Bertolino Kristen Crable Which is not a possible pair for the two most common isotopes of Mg? 1. 2. 3. 4. 5. Mg-23 ; Mg-24 Mg-24 ; Mg-25 Mg-23 ; Mg-25 Mg-24 ; Mg-26 None of the above Response Grid 0% 1 0% 0% 2 3 0% 4 0% 30 5 Countdown Neon-22 has ______ neutrons. 1. 2. 3. 4. 10 12 20 22 Response Grid 0% 1 0% 2 0% 3 0% 30 4 Countdown This number is… 1. 2. 3. 4. 5. 6. Mass number Average atomic mass Atomic number Number of neutrons Number of electrons None of the above Response Grid 0% 0% 1 2 0% 0% 0% 3 4 5 0% 15 6 Countdown This isotope symbol indicates that… 1. The atomic number is 11 2. Sodium has 11 electrons if neutral 3. The isotope has 12 neutrons 4. The isotope has a mass of about 23 amu 5. All of the above Response Grid 0% 1 0% 0% 2 3 0% 4 0% 15 5 Countdown Nuclear reactions differ from chemical reactions because nuclear reactions… 1. Change the nucleus of an atom 2. Change the identity of the element 3. Don’t have to follow conservation of mass 4. All of the above Response Grid 0% 1 0% 2 0% 3 0% 15 4 Countdown Participant Scores 1331.25 Kaleb Harpster 1300 1200 1200 1025 Morgan Rockey Reis Mitchell Tyler Kreger Adreanna Lucas 975 712.5 300 Emma Bannach Kheana Smith Evan Miller 100 Joseph Laufer What percentage of your current points would you like to wager on the next question? 1. 2. 3. 4. 5. 0% 25% 50% 75% 100% Response Grid Which parent isotope could have emitted an alpha particle to form the daughter isotope Sm-146? 1. 2. 3. 4. 5. Nd-142 Gd-142 Pm-146 Eu-146 None of the above Response Grid 0% 1 0% 0% 2 3 0% 4 0% 60 5 Countdown Participant Scores 2500 Tyler Kreger 2500 1764.06 1381.25 700 Reis Mitchell Kaleb Harpster Adreanna Lucas Evan Miller 650 487.5 356.25 Morgan Rockey Emma Bannach Kheana Smith 0 Joseph Laufer Selenium-82 emits a beta particle and decays into the daughter isotope… 1. 2. 3. 4. 5. Arsenic-82 Bromine-82 Germanium-78 Krypton-86 None of the above Response Grid 0% 1 0% 0% 2 3 0% 4 0% 60 5 Countdown Elements heavier than iron were most likely originally formed by… 1. Fusion in a supernova 2. Fission in the stars 3. Radioactive decay 4. Neutron bombardment 5. All of the above Response Grid 0% 1 0% 0% 2 3 0% 4 0% 15 5 Countdown Participant Scores 0 Participant 1 0 Participant 11 0 0 0 0 Participant 2 Participant 3 Participant 4 Participant 5 0 0 0 0 Participant 12 Participant 13 Participant 14 Participant 15 0 0 0 Participant 6 Participant 7 Participant 8 0 0 0 Participant 16 Participant 17 Participant 18 0 0 Participant 9 Participant 10 0 0 Participant 19 Participant 20 What percentage of your current points would you like to wager on the next question? 1. 2. 3. 4. 5. 0% 25% 50% 75% 100% Response Grid The below equation is an example of… 1. 2. 3. 4. 5. Alpha decay Beta decay Fusion Fission None of the above Response Grid 0% 1 0% 0% 2 3 0% 4 0% 15 5 Countdown Participant Scores 0 Participant 1 0 Participant 11 0 0 0 0 Participant 2 Participant 3 Participant 4 Participant 5 0 0 0 0 Participant 12 Participant 13 Participant 14 Participant 15 0 0 0 Participant 6 Participant 7 Participant 8 0 0 0 Participant 16 Participant 17 Participant 18 0 0 Participant 9 Participant 10 0 0 Participant 19 Participant 20 The below equation is an example of… 1. 2. 3. 4. 5. Alpha decay Beta decay Fusion Fission None of the above Response Grid 0% 1 0% 0% 2 3 0% 4 0% 15 5 Countdown The below equation is an example of… 1. 2. 3. 4. 5. Alpha decay Beta decay Fusion Fission None of the above Response Grid 0% 1 0% 0% 2 3 0% 4 0% 15 5 Countdown Participant Scores 0 Participant 1 0 Participant 11 0 0 0 0 Participant 2 Participant 3 Participant 4 Participant 5 0 0 0 0 Participant 12 Participant 13 Participant 14 Participant 15 0 0 0 Participant 6 Participant 7 Participant 8 0 0 0 Participant 16 Participant 17 Participant 18 0 0 Participant 9 Participant 10 0 0 Participant 19 Participant 20 What percentage of your current points would you like to wager on the next question? 1. 2. 3. 4. 5. 0% 25% 50% 75% 100% Response Grid Estimate the average atomic mass of copper, if Cu63 is 69% abundant and Cu-65 is 31% abundant. 1. 2. 3. 4. 5. 6. 7. 8. 63.00 amu 63.33 amu 63.55 amu 63.62 amu 64.00 amu 64.50 amu 65.00 amu None of the above Response Grid 0% 0% 0% 0% 0% 0% 0% 1 2 3 4 5 6 7 0% 90 8 Countdown Participant Scores 0 Participant 1 0 Participant 11 0 0 0 0 Participant 2 Participant 3 Participant 4 Participant 5 0 0 0 0 Participant 12 Participant 13 Participant 14 Participant 15 0 0 0 Participant 6 Participant 7 Participant 8 0 0 0 Participant 16 Participant 17 Participant 18 0 0 Participant 9 Participant 10 0 0 Participant 19 Participant 20