1. Periodic Table Review Worksheet Answers
#12 with quarter on it

2. 1. Identify each of the following as metal, non-metal, or metalloid.
a. Oxygen = nonmetal
b. Barium = metal
c. Germanium = metalloid
d. Iron = metal

3. 2. Describe the general characteristics of metals.
Shiny, solids, grey, malleable, and conduct electricity

4. 3. Match each numbered item to the lettered item that is related to it on the left.
1. group 8A = d noble gases
2. group 1A = a alkali metals
3. group 2A = c alkaline earth metals
4. group 7A = b halogens

5. #4
2-Alkaline
Earth
Metals
1-Alkali
Metals
18- Noble Gases
17-Halogens
Transition Metals

6. 5. A shiny solid element is also ductile
5. A shiny solid element is also ductile. What side of the periodic table is it likely to be found?
Left

7. 6. What are the general properties of a non-metal
6. What are the general properties of a non-metal? List 3 non-metal elements.
Various colors, brittle, don’t conduct electricity
C, N, O, Ne, He, H, Cl, S etc

8. 7. What is the purpose of the heavy stair step line on the periodic table?
Separates metals from nonmetals

9. 8. Give the chemical symbol of each of the following elements:
A. Hg and Br
B. Rn
C. Sn or Pb
D. anything from groups 3-12

10. 9. Why do chlorine and iodine have similar chemical properties?
Same group = same # of valence electrons

11. 10. How are the number of valence electrons in group A elements related to the group number?
Group A # = # of valence electrons

12. 11. How is the energy level of an atom’s valence electrons related to the atom’s period in the periodic table?
Period # = the energy level of the s and p valence electrons.
The d’s are 1 lower

13. 12. In general, what electron configuration has the greatest stability?
S2p6, which has 8 valence electrons and is the Noble gas configuration

14. 13. What group and period are each of the following configurations from?
a. [Kr]5s24d1
b. [Ar]4s23d104p3
c. [He]2s22p6
d. [Ne]3s23p1 Y As Ne Al

15. 14. Identify the names
A. the metal in group 5A = Bi (bismuth #83)

16. b. the halogen in period 3
Cl [Ne] 3s23p5

17. c. the alkali metal in period 2
Li [He] 2s1

18. d. the transition metal that is a liquid at room temperature
Hg [Xe] 6s25d10

19. 15. Which will form a larger ionic radii than its’ parent atom. a
15. Which will form a larger ionic radii than its’ parent atom? a. cation b. anion
B. anion – gains an electron

20. 16. What is ionization energy?
Amount of energy needed to take an electrons away from an atom

21. 17. Which element in the pair has the larger ionization energy?
a. Li, N
b. Kr, Ne
c. Cs, Li

22. 18. Explain the octet rule.
Elements want 8 valence electrons like the noble gases have

23. 19. Which element in the pair is more electronegative?
a. K, As
b. N, Sb
c. Sr, Be

24. 20. Periodic law states that elements show a
c. periodic repetition of their properties when arranged by increasing atomic number.

25. 21. Elements in the same group of the periodic table have the same
a. number of valence electrons

26. 23. Moving down the periodic table, which two atomic properties follow the same trend?
c. ionization energy, electronegativity

27. 24. Can two elements have the same IE or EN values?
Both values are determined by how many valence electrons and energy levels an atom has. No two atoms have the same exact # of valence and energy levels.

28. 25. Within a group, what is the trend of IE and EN as you move down?
Both decrease