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Compare sodium with aluminum. Which one would you predict to have a higher effective nuclear charge? Explain Sodium = 10 c..e. Na llp lle Al 13 e I outer electron a. How many core electrons each have? b. How many outer electrons each have? Lokets What trend will you predict for Effective Nuclear Charge, in the periodic table as a. You move along a row or period b. You move down a column ,v.e. outer elections 2¹ 1 Zeff=Z-SF shielding ↑ electons =+D protons

Compare sodium with aluminum. Which one would you predict to have a higher effective nuclear charge? Explain Sodium = 10 c..e. Na llp lle Al 13 e I outer electron a. How many core electrons each have? b. How many outer electrons each have? Lokets What trend will you predict for Effective Nuclear Charge, in the periodic table as a. You move along a row or period b. You move down a column ,v.e. outer elections 2¹ 1 Zeff=Z-SF shielding ↑ electons =+D protons

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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045 Worksheets Learning objectives Use position of element in periodic table to predict properties of elements Understand effective nuclear charge and its role in the size of an atom or ion and many other properties of elements Understand ionization energy and be able to predict trends Be able to predict higher/lower values of size, ionization energy, electron affinity, electronegativity and lattice energy Model 1 Repulsion Attraction The position of elements in the periodic table based on electron configuration creates a series of trends in behavior that are important r to understand as they affect many properties of elements. These properties are determined by the attraction of the outermost electrons to the protons in the nucleus and the electron-electron repulsion. Nucleus Z Outer electrons a. Trends Valence electrons b. You move down a column +3 This is known as Effective Nuclear Charge Compare sodium with aluminum. Which one would you predict to have a higher effective nuclear charge? Explain Sodium = 10 c.e. Na llp lle I outer electron AI 13 e a. How many core electrons each have? b. How many outer electrons each have? Outer electrons determine the size of the atom. These are electrons located in the highest occupied energy level. Discuss with your groups what the role of core or inner electrons have in the attraction of outer electrons to the protons in the nucleus. How will you best describe the relation? ✓ve FIU-BBC outer elections ;" Zeff shielding. E+D electrons Cope, Electro What trend will you predict for Effective Nuclear Charge, in the periodic table as: You move along a row or period 10 ↑ protons (no chemical Core 2 e- first = 2 eb line second = 8 el. third = 18 fourth: 28 P Atomic and lonic Size The size of an atom is determined by the distance from the nucleus to the outer most electrons. What role does Effective Nuclear Charge (Zeff) Explain. ENF: 13-10 +3 39
Transcribed Image Text:045 Worksheets Learning objectives Use position of element in periodic table to predict properties of elements Understand effective nuclear charge and its role in the size of an atom or ion and many other properties of elements Understand ionization energy and be able to predict trends Be able to predict higher/lower values of size, ionization energy, electron affinity, electronegativity and lattice energy Model 1 Repulsion Attraction The position of elements in the periodic table based on electron configuration creates a series of trends in behavior that are important r to understand as they affect many properties of elements. These properties are determined by the attraction of the outermost electrons to the protons in the nucleus and the electron-electron repulsion. Nucleus Z Outer electrons a. Trends Valence electrons b. You move down a column +3 This is known as Effective Nuclear Charge Compare sodium with aluminum. Which one would you predict to have a higher effective nuclear charge? Explain Sodium = 10 c.e. Na llp lle I outer electron AI 13 e a. How many core electrons each have? b. How many outer electrons each have? Outer electrons determine the size of the atom. These are electrons located in the highest occupied energy level. Discuss with your groups what the role of core or inner electrons have in the attraction of outer electrons to the protons in the nucleus. How will you best describe the relation? ✓ve FIU-BBC outer elections ;" Zeff shielding. E+D electrons Cope, Electro What trend will you predict for Effective Nuclear Charge, in the periodic table as: You move along a row or period 10 ↑ protons (no chemical Core 2 e- first = 2 eb line second = 8 el. third = 18 fourth: 28 P Atomic and lonic Size The size of an atom is determined by the distance from the nucleus to the outer most electrons. What role does Effective Nuclear Charge (Zeff) Explain. ENF: 13-10 +3 39
045 Worksheets Learning objectives Use position of element in periodic table to predict properties of elements Understand effective nuclear charge and its role in the size of an atom or ion and many other properties of elements Understand ionization energy and be able to predict trends Be able to predict higher/lower values of size, ionization energy, electron affinity, electronegativity and lattice energy Model 1 Repulsion Attraction The position of elements in the periodic table based on electron configuration creates a series of trends in behavior that are important r to understand as they affect many properties of elements. These properties are determined by the attraction of the outermost electrons to the protons in the nucleus and the electron-electron repulsion. Nucleus Z Outer electrons a. Trends Valence electrons b. You move down a column +3 This is known as Effective Nuclear Charge Compare sodium with aluminum. Which one would you predict to have a higher effective nuclear charge? Explain Sodium = 10 c.e. Na llp lle I outer electron AI 13 e a. How many core electrons each have? b. How many outer electrons each have? Outer electrons determine the size of the atom. These are electrons located in the highest occupied energy level. Discuss with your groups what the role of core or inner electrons have in the attraction of outer electrons to the protons in the nucleus. How will you best describe the relation? ✓ve FIU-BBC outer elections ;" Zeff shielding. E+D electrons Cope, Electro What trend will you predict for Effective Nuclear Charge, in the periodic table as: You move along a row or period 10 ↑ protons (no chemical Core 2 e- first = 2 eb line second = 8 el. third = 18 fourth: 28 P Atomic and lonic Size The size of an atom is determined by the distance from the nucleus to the outer most electrons. What role does Effective Nuclear Charge (Zeff) Explain. ENF: 13-10 +3 39
Transcribed Image Text:045 Worksheets Learning objectives Use position of element in periodic table to predict properties of elements Understand effective nuclear charge and its role in the size of an atom or ion and many other properties of elements Understand ionization energy and be able to predict trends Be able to predict higher/lower values of size, ionization energy, electron affinity, electronegativity and lattice energy Model 1 Repulsion Attraction The position of elements in the periodic table based on electron configuration creates a series of trends in behavior that are important r to understand as they affect many properties of elements. These properties are determined by the attraction of the outermost electrons to the protons in the nucleus and the electron-electron repulsion. Nucleus Z Outer electrons a. Trends Valence electrons b. You move down a column +3 This is known as Effective Nuclear Charge Compare sodium with aluminum. Which one would you predict to have a higher effective nuclear charge? Explain Sodium = 10 c.e. Na llp lle I outer electron AI 13 e a. How many core electrons each have? b. How many outer electrons each have? Outer electrons determine the size of the atom. These are electrons located in the highest occupied energy level. Discuss with your groups what the role of core or inner electrons have in the attraction of outer electrons to the protons in the nucleus. How will you best describe the relation? ✓ve FIU-BBC outer elections ;" Zeff shielding. E+D electrons Cope, Electro What trend will you predict for Effective Nuclear Charge, in the periodic table as: You move along a row or period 10 ↑ protons (no chemical Core 2 e- first = 2 eb line second = 8 el. third = 18 fourth: 28 P Atomic and lonic Size The size of an atom is determined by the distance from the nucleus to the outer most electrons. What role does Effective Nuclear Charge (Zeff) Explain. ENF: 13-10 +3 39
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