CHAPTER 6 PRACTICE WORKSHEET Trends of the Periodic Table

NAME_____________________________________________________________
PERIOD ______________
DATE__________________________
CHAPTER 6 PRACTICE WORKSHEET
Trends of the Periodic Table
1. Determine the group, period, and block of the elements having the following electron configurations:
a) 1s2 _______________________________________________________________________________
b) [Ne] 3s23p1 ________________________________________________________________________
c) [Ar] 4s1 ___________________________________________________________________________
d) [Kr] 5s24d1 _________________________________________________________________________
e) [Xe] 6s24f145d106p4 __________________________________________________________________
2. For each of the given elements, list two other elements with similar chemical properties:
a. Iodine (I)
b. Barium (Ba)
c. Iron (Fe)
3. What are the symbols for the elements with the following valence electron configurations?
a. s2d1
b. s2p3
c. s2p6
4. Explain why elements in a group have similar chemical properties.
5. Which has the largest atomic radius: magnesium (Mg), silicon (Si), sulfur (S), or sodium (Na)? The
smallest?
6. Determine which element in each pair has the largest atomic radius:
a. The element in period 2, group 1; or the element in period 3, group 18. ___________________
b. The element in period 5, group 2; or the element in period 3, group 16. ___________________
c. The element in period 3, group 14; or the element in period 6, group 15. __________________
d. The element in period 4, group 18; or the element in period 2, group 16. __________________
7. According to the periodic table, which two elements have an atomic mass less than twice their atomic
number?
8. Indicate whether fluorine or bromine has a larger value for each of the following properties:
a. Electronegativity _______________________
b. Ionic radius _____________________
c. Atomic radius ______________________
d. Ionization energy _______________________
9. The metal used to make soda cans has the electron configuration [Ne] 3s23p1. Identify the metal and
give its group, period, and block.
10. Explain why each successive ionization of an electron requires a greater amount of energy.
11. Explain why atomic radii decrease at you move from left to right across a period.
12. For the following pairs of elements, circle which one has the larger ionization energy.
a. Li and N
b. Kr and Ne
c. Cs and Li
d. Ga and Ge
e. Sr and Cl
13. For the following pairs of elements, circle which one has the greater electronegativity.
a. Cl and Zn
b. H and Li
c. C and O
d. F and Cl
e. Al and Ga
14. For the following pairs of elements, circle which one has the larger ionic radii.
a. Cs and Si
b. Li and As
c. N and Ca
d. Sn and Te
e. Cl and Be