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Atoms and Periodic Table Test Study Guide Vocabulary: Chap.4 Sec 1 page 102 Chap. 4 Sec 2 page 109 Chap. 4 Sec 3 page 118 Chap. 4 Sec. 4 page 128 All Sec. Assessments All Guided Reading Work Sheets 1. The first periodic table was arranged in elements by the order of ? 2. How was the periodic table change in the 1900’s? 3. Know the following scientist: Niels Bohr, John Dalton, E Rutherford, JJ Thomson 4. What group of metals is most reactive? 5. In an atom, the number of protons equals the number of? 6. Which particles in atoms have a negative electric charge? 7. Atoms of the same element that contain different numbers of neutrons are? 8. Electrons travel in the __________________? 9. Atoms that lose and electron are____________ and gain a proton are _____? 10. The horizontal rows on the periodic table are_______ the vertical are _____? 11. What is the family on the periodic table? 12. Elements that transmit heat and electricity a display the property known as ___? 13. The chemical reactivity of metals tends to _____ from left to right across the periodic table. 14. What is Dalton’s Atomic Theory? 15. Metals are _____at room temp. Nonmetals are _____at room temp. Metalloids are _____at room temp. 16. _________is the simplest and smallest atom.? 17. What Group reacts most violently with water and in which Group is it likely to be found? 18. What does the zig-zag line represent on the periodic table? 19. How many elements did Mendeleev have on the 1st periodic table and how many space did he leave open? 20. What 2 metals are liquid at room temp.? 21. Helium is a _______on the periodic table? 22. Nonmetals are located where on the periodic table? 23. What are the Characteristics of Metals? 8th Grade Answers to Study Guide 1. Increasing atomic mass 2. They used atomic number instead of atomic mass 3. Scientist 4. Group 1 5. electrons 6. electrons 7. isotopes 8. electron clouds/outside the nucleus 9. positive/positive 10.periods / groups 11.The vertical columns of the periodic table (there are 18) are called groups or families 12.Conductivity 13.decrease 14.Look it up--------Write it down 15.solid. gases solid 16.h 17.Group 17 18.separates metals from nonmetals 19.he had 63 and 3 blanks 20.Hg an Br 21. Noble gas 22.group 18 23.Shiny, malleability, ductility, and conductivity.