Interpreting the Periodic Table Name _____________________________________ Hr_______ St.#________ Use the following periodic table to answer questions #1-8. 1A K 2A 3A 8A 4A 5A 6A 7A J F X D R 1. Which elements have the same number of valance electrons? __________ 2. Which elements are in the same period? __________ 3. Which elements are in the same family? __________ 4. Which element has the smallest atomic number? __________ 5. Which elements would be classified as transition metals? __________ 6. If the atomic number of element D is 20, what would the atomic number of element R be? __________ 7. Which metal would be the most reactive? __________ 8. Which family would have the least reactive elements in it? __________ Use a periodic table to identify the elements in questions #9-20 9. This element is in the same family as lead, and it has fewer protons than sodium. __________ 10. This element has an atomic number that is one greater than platinum. __________ 11. This element has the most protons of any element in Group 5 (15). __________ 12. This element has more than 50 but less than 75 protons, and it is in Group 7 (17). __________ 13. This Group 2 element has fewer protons than bromine, but more protons than sulfur. __________ 14. This element has the lowest atomic number of any Group 6 (16) element. __________ 15. This element has an atomic number that is double the atomic number of silicon. __________ 16. This element has more valence electrons than oxygen, fewer valence electrons than neon, more protons than sodium, but fewer protons than argon. 17. This element has an atomic number lower than that of aluminum and one less valence electron than the Group 6 (16) elements. 18. __________ __________ This element is in Group 1 and has a higher atomic number than chlorine, but a lower atomic number than bromine. __________ 19. An atom of this element is an ion with a +2 charge and it has 50 electrons. __________ 20. This element usually has 48 neutrons and when the atom is neutral it has 36 electrons. __________ Use the following periodic table to identify the following families in questions #21-31. A B D E F G H I C 21. Noble gases _______ 24. Alkaline earth metals _______ 22. Alkali metals _______ 25. Transition metals _______ 23. Halogens _______ 26. Carbon family _______ 27. These elements have 8 valence electrons _______ 28. These elements have 2 valence electrons _______ 29. These elements would be the most reactive elements _______ 30. These families of elements commonly like to get rid of their valence electrons _______________ 31. These families of elements commonly like to take other elements’ electrons _______________ (Note: more than one family/letter is possible for #30 and #31 – list all that apply) 32. As you move across from A to I the size of the atomic radii… _______________ 33. What does the term “inert” mean when describing the Noble gases? _______________ 34. A row in a periodic table is called… _______________ 35. A column in a periodic table is called… 36. What is the force that holds the atom together? _______________ 37. What force helps keep the electrons “in orbit”? _______________ 38. Who was the scientist that arranged the periodic table by atomic masses? _______________ 39. Who was the scientist that arranged the periodic table by atomic number? _______________ ________________ or _______________
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