AP Physics 1: Systems Chapter Exam PDF

Questions 30 Questions OnlyON OFF Answer KeyON OFF Two ColumnON OFF Print AP Physics 1: Systems Chapter Exam https://study.com/academy/topic/ap-physics-1-systems.html 1. An object bec...

Questions 30 Questions OnlyON OFF Answer KeyON OFF Two ColumnON OFF Print AP Physics 1: Systems Chapter Exam https://study.com/academy/topic/ap-physics-1-systems.html 1. An object becomes a system when what part of it is not relevant? Molecules Atoms None of these Substructure 2. What changes when a system becomes an object and vice versa? Perspective Nothing Atoms Molecules 3. A system is de!ned as a collection of how many objects? 1 2 0 2 or more 4. What are the three basic components of an atom? protons, neutrons, water neutrons, protons, electricity protons, neutrons, electrons electrons, neutrons, particles 5. How are elements di"erent from one another? They have the same number of protons in They have a di!erent number of protons, but their nucleus. the same number of electrons. They have a di!erent number of protons and They have a di!erent number of electrons electrons. and protons, but the same number of neutrons. 6. The nucleus of an atom contains protons and electrons neutrons protons and neutrons neutrons and electrons 7. To !nd the number of neutrons in an atom you can use the equation _____- _____. atomic number - atomic mass atomic mass - isotopes isotopes - atomic mass atomic mass- atomic number 8. Neutrons are the _____ of the subatomic particles and they have a _____ charge. largest, neutral largest, positive smallest, positive smallest, neutral 9. A neutron is a massive particle made out of 3 _____, which makes it a _____. baryon, quarks quarks, baryon isotopes, baryon quarks, isotopes 10. What is the energy of the light emitted during a transition from the state ni=5 to the state nf=2? -1.59*10^-19 J -4.58*10^-19 J 3.59*10^-19 J 4.58*10^-19 J 11. To excite an electron to a higher energy state, there needs to be: Emission of energy Movement of electrons Absorption of energy Protons 12. The energy corresponding to the !rst energy level in the hydrogen atom is: 2.18*10^-18 J -4.36*10^-18 J 4.36*10^-18 J -2.18*10^-18 J 13. Why was the property of color or color charge given to quarks? Quarks appear to be di!erent colors when Color charge is simply another way to placed under a high-intensity microscope. designate the "avor or type of quark and is not a separate property of quarks. Antiquarks and quarks had shared properties The Pauli Exclusion Principle states that two that could not be described using existing quarks cannot exist in the same quantum their previously existing properties. state at the same time. 14. What are hadrons categorized into? Baryons and opticans Mesons and electrons Mesons and deltas Baryons and mesons 15. What are the di"erent #avors of quarks? Up, down, strange, charm, bottom, top Up, down, strange, charm, above, below Up, down, strange charm, bottom, top 16. An oxygen atom has eight protons, eight neutrons, and eight electrons. Its atomic mass is: 8 24 16 None of the answers are correct 17. Atomic mass is calculated by adding: The number of protons and electrons The number of protons and neutrons The number of neutrons and electrons The number of daltons and amus 18. The atomic mass of hydrogen is: 4 3 1 2 19. The number of protons in an atom corresponds to what? Atomic Mass Atomic Number Mole weight Grouping 20. Which of the following is NOT the charge of a proton? 1e 1.602 x 10^-19 Coulombs 3.14 x 10^-21 kg +1 21. Protons are made of what? 3 up quarks 3 down quarks and 1 up quark 1 up quark and 2 down quarks 2 up quarks and 1 down quark 22. In an atom, the _________ circle around the center of the atom. protons electrons nuclei neutrons 23. Because they are so small, ________ are not counted when measuring the mass of an atom. electrons neutrons protons nuclei 24. A(an)___________ has a negative charge. neutron nucleus electron proton 25. How is substructure de!ned in physics? The atoms that make up matter. None of these. The parts that make up a whole. The underlying foundation of an object. 26. What is the atomic number of an atom? The number of neutrons and electrons The number of protons and electrons The number of protons The number of protons and neutrons 27. Iodine (I) has an average atomic mass of 126.90 and an atomic number of 53. Is _____I- 129_____an isotope? No, there are too many neutrons to be an No, because the 129 is close to 126.9. isotope Yes More information is needed 28. What is an energy level in an atom? The energy of the orbital that an electron The number of orbitals in the atom occupies The number of protons in the nucleus The number of electrons in the atom 29. Which is the most massive quark? Bottom Strange Top Charm 30. The core of an atom is called the: Cloud None of the answers are correct Nucleus Orbitals