Download Ch.6 Periodic Trends - MrsSavallisChemistry

Name: _______________________________________
Per: ______
Chapter 6 Periodic Trends Review
1. What property did Mendeleev use to organize his periodic table?
2. How are elements arranged on the modern periodic table?
3. Name the three broad classes of elements.
4. Identify each property below as more characteristic of a mental or a nonmetal.
a. a gas
b. brittle
c. malleable
d. poor conductor of electric current
e. shinny
5. In general, how are metalloids different from metals and nonmetals?
6. Elements in the same period have the same…?
7. Elements in the same group have similar…?
8. Based on their locations in the periodic table, would you expect carbon and silicon to
have similar properties? Explain your answer.
9. What is the common group name for the following:
Group 1 Group 2 Group 17 Group 18 Group 3 -12 10. Where are the noble gases located on the periodic table?
11. Which noble gas does not have eight electrons in its highest occupied energy level?
12. Define ionization energy –
13. Define electronegativity 14. Identify the trends for each of the five properties covered in this chapter:
a. Metallic Character
b. Atomic Radius
c. Ionization Energy
d. Ion Size
e. Electronegativity
15. Which of the following properties increases as you move across a period from left
to right?
I electronegativity
II ionization energy
III atomic radius
a.
b.
c.
d.
I and II only
I and III only
II and III only
I, II, and III
16. When the elements in each pair are chemically combined, which element in each
pair has a greater attraction for electrons?
a. Ca or O
b. O or F
c. H or O
d. K or S
17.
Which sphere would most likely represent a potassium atom, K?
Which sphere would most likely represent a potassium ion, K+?
If the spheres represent an atom and an anion of the same element, which sphere
represents the atom and which represents the anion?
18.
If you plotted atomic radius versus first ionization energy, would the graph reveal a
direct or inverse relationship?
If you plotted atomic radius versus electronegativity, would the graph reveal a direct or
inverse relationship?
If you plotted first ionization energy versus electronegativity, would the graph reveal a
direct or inverse relationship?
19. Explain why fluorine has a smaller atomic radius than both oxygen and chlorine.
20. Would you expect metals or nonmetals in the same period to have higher ionization
energies? Give a reason for your answer.
21. In each pair, which ion is larger?
a. Ca2+, Mg2+
b. Cl−, P3−
c. Cu+, Cu2+
22. Electronegativity values are higher for
a. metals than for nonmetals
b. nonmetals than for metals
c. noble gases than for metals
d. noble gases than for nonmetals
23. In any period on the periodic table, the noble gas always has the
a. smallest ionization energy
b. greatest ionization energy
c. ion with the largest charge
d. same properties as other elements in the period
24. Which of the flowing properties decreases as you move across a period from left to
right?
a. electronegativity
b. ionization energy
c. atomic radius
d. nuclear charge
25. Which properties are most common in nonmentals?
a. low ionization energy and low electronegativity
b. low ionization energy and high electronegativity
c. high ionization energy and low electronegativity
d. high ionization energy and high electronegativity
26. In which area of the periodic table are the elements with the strongest nonmetallic
properties located?
a. lower left
b. upper left
c. lower right
d. upper right
27. At which location in the periodic table would the most active metallic element be
found?
a. in Group 1 at the top
b. in Group 1 at the bottom
c. in Group 17 at the top
d. in Group 17 at the bottom
28. Which element attains the structure of a noble gas when it becomes a 1+ ion?
a. K
c. F
b. Ca
d. Ne