Lithium 519 Boron 799 Carbon 1088 Nitrogen 1406 Oxygen 1314 Fluorine 1682 Neon 2080 To calculate the scale factor: Measure the length of a precut straw = ______14.5______ cm Divide the length of the straw by 2 = _____7.25_________cm Divide that number by 2080 = Scale factor_______________ cm To calculate the length of your straw: Multiply the scale factor by the ionization energy given in your data table. Answer the following questions in your notebook: In a sentence, describe the relationship between atomic number and the amount of ionization energy as you go down a group on the periodic table. Based on your understanding of ionization energy and atomic size, explain why this trend makes sense as you go down a group on the periodic table. In a sentence, describe the relationship between atomic number the amount of ionization energy as you go across a period on the periodic table. Based on your understanding of ionization energy and valence electrons, explain why this trend makes sense as you move across the periodic table. Electronegativity: The electronegativity for the following elements is estimated to have the following values: Name Symbol Atomic Electronegativity Calculated Straw Number Length (cm) Nitrogen 3.0 Phosphorus 2.1 Arsenic 2.0
Lithium 519 Boron 799 Carbon 1088 Nitrogen 1406 Oxygen 1314 Fluorine 1682 Neon 2080 To calculate the scale factor: Measure the length of a precut straw = ______14.5______ cm Divide the length of the straw by 2 = _____7.25_________cm Divide that number by 2080 = Scale factor_______________ cm To calculate the length of your straw: Multiply the scale factor by the ionization energy given in your data table. Answer the following questions in your notebook: In a sentence, describe the relationship between atomic number and the amount of ionization energy as you go down a group on the periodic table. Based on your understanding of ionization energy and atomic size, explain why this trend makes sense as you go down a group on the periodic table. In a sentence, describe the relationship between atomic number the amount of ionization energy as you go across a period on the periodic table. Based on your understanding of ionization energy and valence electrons, explain why this trend makes sense as you move across the periodic table. Electronegativity: The electronegativity for the following elements is estimated to have the following values: Name Symbol Atomic Number Electronegativity Calculated Straw Length (cm) Nitrogen 3.0 Phosphorus 2.1 Arsenic 2.0
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