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QUIZ ON ATOMS AND THE PERIODIC TABLE 2/12 Here is a Practice Quiz on Atoms and the Periodic Table Note: The content on this practice quiz is similar to, but not exactly the same as, the actual quiz. Matching: Thompson Periodic Table Atomic Number Electron Nucleus Chemical Symbol Atom Dalton Proton Neutron The part of the atom that has the most mass of the atom, and a positive charge. The smallest particle of an element that still has the characteristics of that element. A particle in the atom that has a mass of 1 amu and a charge of +1. A particle inside the atom that moves in energy levels or “shells”. A particle in the atom that is not positively or negatively charged. Discovered electrons in the atom. A notation of one, two, or three letters that represent an element. Developed the 4 part atomic theory. The number of protons in the nucleus of an atom. A chart in which elements are arranged in order of atomic number. Drawings: Draw the following atoms: Boron Oxygen Calcium Phosphorous Essay: Possible essay questions could include: • Describe how the periodic table is arranged. • Explain the work ot the scientists that advanced our understanding of the atom. • Compare the differences and similiarities of each of the particles inside the atom. Answers: Matching: The smallest particle of an element that still has the characteristics of that element. Atom The part of the atom that has the most mass of the atom, and a positive charge. Nucleus A particle in the atom that has a mass of 1 amu and a charge of +1. Proton A particle inside the atom that moves in energy levels or “shells”. Electron A particle in the atom that is not positively or negatively charged. Neutron Discovered electrons in the atom. Thompson Developed the 4 part atomic theory. Dalton A notation of one, two, or three letters that represent an element. Atomic Symbol The number of protons in the nucleus of an atom. Atomic Number A chart in which elements are arranged in order of atomic number. Periodic Table Drawings: Draw the following atoms: Boron Oxygen Calcium Phosphorous