Elements Lab 1

Elements Lab 1 - electrons. In this care they all have 4...

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Justin Benson Jen Stam Jodi Smith Drew Larrabee CHM 113 Lab Periodic Table Analogy Experiment 1. Five properties that have been used to characterize the elements include atomic mass, number of protons and electrons, their ionization energy, whether they are a metal or a gas, and whether they are a solid, liquid, or gas. 2. In the first column, the atomic mass increases, the number of protons and electrons also increase, their ionization energy decreases, hydrogen is the only gas, and the rest of them are solids. 3. In row four, the atomic mass increases, the number of protons and electrons also increase, their ionization energy increases, it moves from metal to gas, and bromine is the only liquid and the rest move from solid to gas. 4. Carbon and Silicon would be the most chemically similar because they are in the same group. Because they are in the same group, they have the same number of valence
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Unformatted text preview: electrons. In this care they all have 4 valence electrons, this causes them to have similar properties because they have the same likeliness to give or receive valence electrons. This is similar to the puzzle because in columns the pieces shared some of the same characteristics like color, and top and bottom number coordination with the next column. 5. His predictions were extremely accurate. Mendeleevs predictions were: Atomic Mass- 72 Density- 5.5 g/cm^3 Melting Point- High Color- Grey The actual properties are: Atomic Mass- 72.59 Density- 5.35 g/cm^3 Melting Point- 947C Color- Grey I believe that the accuracy of his predictions are directly correlated to the invention and organization of the periodic table of elements. Justin Benson Jen Stam Jodi Smith Drew Larrabee CHM 113 Lab...
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This lab report was uploaded on 04/06/2008 for the course CHM 113 taught by Professor Anbar during the Fall '06 term at ASU.

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Elements Lab 1 - electrons. In this care they all have 4...

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