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Chemistry Daily 10’s Week 8. 1 1. Strontium's highest occupied energy level is 5s 2. To what group does strontium belong? a. Group 2 b. Group 5 c. Group.

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Presentation on theme: "Chemistry Daily 10’s Week 8. 1 1. Strontium's highest occupied energy level is 5s 2. To what group does strontium belong? a. Group 2 b. Group 5 c. Group."— Presentation transcript:

1 Chemistry Daily 10’s Week 8

2 1 1. Strontium's highest occupied energy level is 5s 2. To what group does strontium belong? a. Group 2 b. Group 5 c. Group 6 d. Group 8

3 2. In nature, the alkali metals occur as a.elements. b.compounds. c.complex ions. d.gases.

4 2 1. The most reactive group of the nonmetals is the a. lanthanides. b. transition elements. c. halogens. d. noble gases.

5 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.

6 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.

7 2. A negative ion is known as a(n) a. ionic radius. b. valence electron. c. cation. d. anion.

8 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.

9 2. In Group 2 elements, the valence electrons are in sublevel a. d. b. p. c. s. d. f.

10 5 1. The number of valence electrons in Group 17 elements is a. 7. b. 8. c. 17. d. equal to the period number.

11 2. Among the d-block elements, as atomic radii decrease, electronegativity values a. remain constant. b. increase. c. decrease. d. drop to zero.

12 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


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