Periodic Properties of the Elements

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Presentation transcript:

Periodic Properties of the Elements Chemistry: A Molecular Approach, 1st Edition Nivaldo J. Tro Chapter 8 Periodic Properties of the Elements

What is the ground state electron configuration for Mo? Mo: [Kr]5s24d4 Mo: [Kr]5s04d6 Mo: [Ar]4s23d4 Mo: [Ar]4s13d5 Mo: [Kr]5s14d5 Tro Chemistry: A Molecular Approach

What is the ground state electron configuration for Mo? Mo: [Kr]5s24d4 Mo: [Kr]5s04d6 Mo: [Ar]4s23d4 Mo: [Ar]4s13d5 Mo: [Kr]5s14d5 Tro Chemistry: A Molecular Approach

Tro Chemistry: A Molecular Approach Which of the following correctly illustrates the valence electron configuration of sulfur? a) b) c) d) Tro Chemistry: A Molecular Approach

Tro Chemistry: A Molecular Approach Which of the following correctly illustrates the valence electron configuration of sulfur? a) b) c) d) Tro Chemistry: A Molecular Approach

a) Ge b) Te c) Sn d) Se e) Sb Which element’s 4+ ion would have the following electron configuration? [Kr]4d10 a) Ge b) Te c) Sn d) Se e) Sb Tro Chemistry: A Molecular Approach

a) Ge b) Te c) Sn d) Se e) Sb Which element’s 4+ ion would have the following electron configuration? [Kr]4d10 a) Ge b) Te c) Sn d) Se e) Sb Tro Chemistry: A Molecular Approach

Tro Chemistry: A Molecular Approach Consider the following isoelectronic series: Cl– Ar K+ Ca2+ Which particle is the largest? Cl– Ar K+ Ca2+ All particles are the same size. Tro Chemistry: A Molecular Approach

Tro Chemistry: A Molecular Approach Consider the following isoelectronic series: Cl– Ar K+ Ca2+ Which particle is the largest? Cl– Ar K+ Ca2+ All particles are the same size. Tro Chemistry: A Molecular Approach

Consider the following successive ionization energies (kJ/mol): IE1 IE2 IE3 IE4 IE5 IE6 IE7 1012 1900 2910 4960 6270 22,200 26,345 Which element in period three would most likely show this trend in ionization energies? Mg Al Si P S Tro Chemistry: A Molecular Approach

Consider the following successive ionization energies (kJ/mol): IE1 IE2 IE3 IE4 IE5 IE6 IE7 1012 1900 2910 4960 6270 22,200 26,345 Which element in period three would most likely show this trend in ionization energies? Mg Al Si P S Tro Chemistry: A Molecular Approach