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Chemistry Daily 10’s. Week 8. 1. 1. Strontium's highest occupied energy level is 5 s 2 . To what group does strontium belong? a. Group 2 b. Group 5 c. Group 6 d. Group 8. 2. In nature, the alkali metals occur as a.elements . b.compounds . c.complex ions. d.gases . 2.
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Chemistry Daily 10’s Week 8
1 1. Strontium's highest occupied energy level is 5s2. To what group does strontium belong? a. Group 2 b. Group 5 c. Group 6 d. Group 8
2. In nature, the alkali metals occur as a.elements. b.compounds. c.complexions. d.gases.
2 1. The most reactive group of the nonmetals is the a. lanthanides. b. transition elements. c. halogens. d. noble gases.
2. Compared to the alkali metals, the alkaline-earth metals a. are less reactive. b. have lower melting points. c. are less dense. d. combine more readily with nonmetals.
3 1. A measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound is called a. electron affinity. b. electron configuration. c. electronegativity. d. ionization potential.
2. A negative ion is known as a(n) a. ionic radius. b. valence electron. c. cation. d. anion.
4 1. For each successive electron removed from an atom, the ionization energy a. increases. b. decreases. c. remains the same. d. shows no pattern.
2. In Group 2 elements, the valence electrons are in sublevel a. d. b. p. c. s. d. f.
5 1. The number of valence electrons in Group 17 elements is a. 7. b. 8. c. 17. d. equal to the period number.
2. Among the d-block elements, as atomic radii decrease, electronegativity values a. remain constant. b. increase. c. decrease. d. drop to zero.
Answers & Standards • 1.1 – a sc4 • 1.2 –b sc4b • 2.1 –c sc4b • 2.2 –a sc4b • 3.1 – c sc4a • 3.2 – d sc4a • 4.1 – a sc4a • 4.2 – c sc3b • 5.1 – a sc3b • 5.2 – b sc4a