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Chapter+8 - V 5 C S 2-D Sc 2 8 Consider the element with...

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Chapter 8: Periodic Relationship among the Elements 1. The alkaline earth metals are found in _______ of the periodic table. A. Group 1A B. Group 2A C. Group 7A D. Group 8A 2. 6.How many valence electrons does a tin (Sn) atom have? 3. Which ion is isoelectronic with Ar? 4. Which of these choices is the electron configuration of the iron(III) ion?
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5. In what group of the periodic table is the element with the electron configuration [Ar]4s 2 3d 10 4p 1 ? A. 1A B. 2A C. 3A D. 4A 6. Which of these choices is the general electron configuration for the outermost electrons of elements in Group 5A? 7. Which of these ground-state ions has unpaired electrons?
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Unformatted text preview: V 5+ C. S 2-D. Sc 2+ 8. Consider the element with the electron configuration [Xe]6s 2 4f 7 . This element is A. a representative element. B. a lanthanide element. C. a nonmetal. D. an actinide element . E. a noble gas. 9. If the radius of atom X is greater than the radius of atom Y, then it is also likely that A. X has a larger electron affinity than Y does. B. X has a larger first ionization energy than Y does. C. X has greater metallic character than Y does. 10. Arrange these ions in order of increasing ionic radius: K + , P 3-, S 2-, Cl-. A. Row 1 B. Row 2 C. Row 3 D. Row 4 E. Row 5 Chapter 8 (Answer Key): 1. B 2. B 3. D 4. C 5. C 6. D 7. D 8. B 9. C 10.A...
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