Chapter 7 Review Packet 11-14-02[1]

Chlorine is much more apt to exist as an anion than

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15. Chlorine is much more apt to exist as an anion than is sodium. This is because ____________. a. chlorine is bigger than sodium b. chlorine has a greater ionization energy than sodium does c. chlorine has a greater electron affinity than sodium does d. chlorine is a gas and sodium is a solid e. chlorine is more metallic than sodium 16. Sodium is much more apt to exist as a cation than is chlorine. This is because ____________. 17. Which of the following correctly represents the electron affinity of bromine? a. Br(g) Br + (g) + e - b. Br(g) + e - Br - (g) c. Br 2 (g) + e - Br - (g) d. Br 2 (g) + 2 e - 2 Br - (g)
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e. Br + (g) + e - Br(g) 18. Which one of the following is a metalloid? 19. Of the elements below, __________ is the most metallic. 20. Element M reacts with chlorine to form a compound with the formula MCl 2 . Element M is more reactive than magnesium and has a smaller radius than barium. This element is __________. a. Sr b. K c. Na d. Ra e. Be 21. Of the elements below, _____ has the highest melting point. 22. Which of these oxides is most basic?
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