First 40 elements of the periodic table
[DOC File]printable periodic table of the elements
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40. Zr. 91.225 niobium. 41. Nb. 92.90638 molybdenum. 42. Mo. 95.94 technetium. 43. Tc [98] ruthenium. 44. Ru. 101.07 rhodium. 45. Rh. 102.9055 palladium. 46. Pd. 106.42 silver. 47. Ag. 107.8682 cadmium. 48. Cd. 112.411 indium. 49. In. 114.818 tin. 50. Sn. 118.710 antimony. 51. Sb. 121.760 tellurium. 52. Te. 127.60 iodine. 53. I. 126.9045 xenon. 54. Xe. 131.293 (1) (2) (3) (4) (5) _____ _____
[DOC File]The Periodic Law
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The Periodic Law. The present organization of the elements is a product of the first periodic table published by Dmitri Medeleev in 1869. The amazing accuracy of his predictions has been very important to chemists in this century. However, the basis of his arrangement was the atomic masses of the elements.
[DOC File]Chemistry and Periodic Table Study Guide
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25. Periods on the periodic table go from left to right. For example, Lithium is the first element in Period two, followed by Beryllium, Boron, etc. What is the last element in Period 2? _____ 26. Sodium (Na) is the first element in Period 3. What is the last element in Period 3? _____ 27.
[DOC File]ELECTRON ARRANGEMENT AND THE PERIODIC TABLE
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UNIT 2: Atomic Theory and Structure . Part D: The Periodic Table of the Elements Big Picture Idea: An element’s electronic structure determines its chemical and physical properties and therefore its placement on the periodic table. Big Picture Question: How does the periodic table use physical and chemical properties to arrange the elements?
[DOC File]Understanding the Periodic Table of Elements
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Periodic Table Groups. Write. the numbers (1-18) above the . columns. of the periodic table. Part 5: Valence Numbers. Write the numbers (1-20) in the . squares. for the first twenty elements. Write the numbers (1-18) above the columns of the periodic table. Then, use your worksheet "Charting Oxdiation" to determine the . valence # for . the ...
[DOC File]The Periodic Table - Matawan Regional High School
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The present organization of the elements is a product of the first periodic table published by Dmitri Mendeleev in 1869. The amazing accuracy of his predictions has been very important to chemists in this century. However, the basis of his arrangement was the atomic masses of the elements.
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