1. Chemistry Daily 10’s
Week 8

2. 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

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.
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