Chemistry Sec. 6-2 Review Questions

2. Give a common name for each of the following groups. A.) Group 17 B.) Group 2 C.) Group 1 D.) Group 18

A.) Halogens B.) Alkaline Earth Metals C.) Alkali Metals D.) Noble gases

10. Without looking at a periodic table, identify the period, group and block for the elements that have the electron configurations below. Determine the number of valence electrons. Using a periodic table, identify the element by name and type (metal, nonmetal, metalloid) A.) [Kr]3d^10, 4s^2, 4p^6 B.) [Ar]4d^6, 5s^1 C.) [He]2s^2, 2p^1

A.) Period 4, p-block, group 18, Krypton, noble gas B.) Period 3, p-block, group 18, Argon, noble gas C.) Period 1, s-block, group 18, Helium, noble gas All have 8 valence electrons

8. Without referring to a periodic table, write the full electron configuration of the following elements. A.) The element in Period 2 and group 15 B.) The alkaline earth metal in Period 3 C.) The noble gas in Period 3

A.) Phosphorus, P, B.) Magnesium, Mg, C.) Argon, Ar,

3. Where on the periodic table are the most reactive metals?

The Alkali Metals so group 1.

9. Using a periodic table identify the following elements by name. A.) The halogen in Period 5 B.) The alkali metal in Period 4 C.) The element in Period 4 that has two electrons in the p sub-level D.) The second period element with six valence electrons E.) The lanthanide with three f sub-level electrons. F.) The element in Period 6 with five half-filled d orbitals

A.) Iodine, I B.) Potassium, K C.) Germanium, Ge D.) Sulfur, S E.) Praseodymium, Pr F.) Technetium, Tc

1. Use a periodic table to identify the block in which each of the following elements could be found. A.) Rubidium B.) Holmium C.) Palladium D.) Tellurium

A.) s-block B.) f-block C.) d-block D.) p-block

5. Why are the noble gases almost completely unreactive?

Because their electron levels are full.

6. Which groups are called the Representative (Main Block) Elements

Groups 3-12.

4. Where on the periodic table are the most reactive nonmetals?

The Halogens, or group 17.

7. What is a common name is given to a set of elements located in the d-block?

The Transition metals