ACC- Parts of an Am Quiz 151.All elements are made of a. molecules. b. elements. c. compounds. d. ams. 152.The sub-amic particles found in an am include a. prons. b. neutrons. c. electrons.. 153.A substance made up of only one kind of am is called a(n) a. mixture. b. solution. c. element. d. compound. 154.The dense, central core of an am containing prons and neutrons is called. a. element b. neutron c. molecule d. nucleus 155.This part of am has a negative charge. 156.This part of am has a neutral charge. 157.This part of am has a positive charge. 158.The majority of mass of an am is located in. 159.This part of an am can be used identify am. (*Hint: If you change even one of se, you get an entirely new am!) s s s 160.The mass of this part of am is so small, that it does not contribute wards overall Amic Mass. s s s 161.What do you find when you add tal number of prons in an am, am s tal number of neutrons? a. Amic Number b. Amic Symbol c. Amic Mass 162.This number describes how many prons an element has. a. Amic Number b. Amic Symbol c. Amic Mass 163.The am is made up of mostly s. s. s. d. Empty space. 164.An oxygen am and a carbon am are two different elements because y have a different number of what? s b. Electrons c. Neutrons d. They aren t different. Use following information help you solve problems 15-17. The element Cobalt (Co) is has an Amic Number of 27, and an Amic Mass of 58.933 amu. (*Use 59 amu for your calculations.) 165.How many prons are in one am of Cobalt? 166.How many neutrons are in one am of Cobalt? 167.How many electrons are in one am of Cobalt? 168.Which of following is an example of a molecule? a. H2O b. NH4 c. H2 169.Which of following is an example of a compound? a. N2
! b. HCl c. O2 170.Which of following is a diamic molecule? a. O3 b. H2O c. Cl2 A. B. True/False: Mark A for True and B for False on your scantron 171.T/F All electrons are found same distance from nucleus. 172.T/F The speed and location of any electron can be determined at any particular moment. D. 173.T/F Based on current model, electrons travel in distinct paths called orbitals. Matching: Scientist Discovery- #174-179 Match each of scientists ir major discovery relating development of am. (6 pts) A. Discovered that am is made up of mostly empty space, with a dense, positively charged nucleus in center. B. Stated that ams cannot be broken down, and that all ams of same element are identical, while elements of varying elements are different. C. Hyposized that it is impossible determine location or speed of an electron as it orbits nucleus and electron are found in clouds. D. Discovered presence of a negatively charged electron. E. Established concept of orbitals, and idea that electrons orbit nucleus in distinct shells with different energy levels. AB. Hyposized existence of am, and stated that all things on earth are made up of ams. 174.Democritus 175.John Daln 176.J. J. Thomson 177.Ernest Rurford 178.Niels Bohr 179.Louis de Broglie & Erwin Schrödinger E.! 180.Billiard Ball Model 181.Planetary Model 182.Solid Sphere Model ( Amos ) 183.Electron Cloud Model ( Quantum Mechanical Model ) 184.Plum Pudding Model 185.Bohr Model Matching: **NOTE** Name You of have Model choices Amic of A, Model- B, C, D, E, and #180-185 AB. A, B, C, D, and E you will only fill in that Match letter. each of However, names for of AB, you models need fill model in y represent. (6 pts)
Science 8- Parts of an Am Quiz 151.All elements are made of a. molecules. b. elements. c. compounds. d. ams. 152.The sub-amic particles found in an am include a. prons. b. neutrons. c. electrons.. 153.A substance made up of only one kind of am is called a(n) a. mixture. b. solution. c. element. d. compound. 154.The dense, central core of an am containing prons and neutrons is called. a. element b. neutron c. molecule d. nucleus 155.This part of am has a negative charge. 156.This part of am has a neutral charge. 157.This part of am has a positive charge. 158.The majority of mass of an am is located in. 159.The mass of this part of am is so small, that it does not contribute wards overall Amic Mass. s s s 160.What do you find when you add tal number of prons in an am, am s tal number of neutrons? a. Amic Number b. Amic Symbol c. Amic Mass 161.This number describes how many prons an element has. a. Amic Number b. Amic Symbol c. Amic Mass 162.The am is made up of mostly s. s. s. d. Empty space. Use following information help you solve problems 15-17. The element Cobalt (Co) is has an Amic Number of 27, and an Amic Mass of 59 amu. 163.How many prons are in one am of Cobalt? 164.How many neutrons are in one am of Cobalt? 165.How many electrons are in one am of Cobalt? 166.Which of following is an example of a molecule? a. H2O b. NH4 c. H2 167.Which of following is an example of a compound? a. N2 b. HCl c. O2 True/False: Mark A for True and B for False on your scantron 168.T/F All electrons are found same distance from nucleus. 169.T/F The speed and location of any electron can be determined at any particular moment. Matching: Scientist Discovery- #170-175
! Match each of scientists ir major discovery relating development of am. (6 pts) A. Discovered that am is made up of mostly empty space, with a dense, positively charged nucleus in center. B. Stated that ams cannot be broken down, and that all ams of same element are identical, while elements of varying elements are different. C. Hyposized that it is impossible determine location or speed of an electron as it orbits nucleus and electron are found in clouds. D. Discovered presence of a negatively charged electron. E. Established concept of orbitals, and idea that electrons orbit nucleus in distinct shells with different energy levels. AB. Hyposized existence of am, and stated that all things on earth are made up of ams. 170.Democritus 171.John Daln 172.J. J. Thomson 173.Ernest Rurford 174.Niels Bohr 175.Louis de Broglie & Erwin Schrödinger E.! 176.Billiard Ball Model 177.Solid Sphere Model ( Amos ) 178.Electron Cloud Model ( Quantum Mechanical Model ) 179.Plum Pudding Model 180.Bohr Model Matching: **NOTE** Name You of have Model choices Amic of A, Model- B, C, D, E, and #176-180 AB. A, B, C, D, and E you will only fill in that Match letter. each of However, names for of AB, you models need fill model in y represent. (6 pts) A. B. D.