Download GUIDED STUDY QUESTIONS FOR SECTION 7

NAME:
H. CHEMISTRY GUIDED STUDY QUESTIONS
CHAPTER 7
25 points
DIRECTIONS: Complete this packet and hand it in on the day of the chapter 7 test (due at
the time the test is given). “Class Problems” do not need to be attached to it.
GUIDED STUDY QUESTIONS FOR SECTION 7.1
How did Mendeleev and Meyer organize the elements on the periodic table?
What trends were noticed as a result of their organizational scheme?
How was Mendeleev's classification eventually different from Meyer's?
Which 2 elements were predicted to exist by Mendeleev?
What is Moseley's contribution to the periodic table?
What problems did the use of the atomic number clarify in early periodic tables?
No Class Problems from this section.
GUIDED STUDY QUESTIONS FOR SECTION 7.2
What 2 factors impact the force of attraction between the nucleus and electrons?
Define effective nuclear charge. How is it calculated?
Where in the atom are valence electrons located?
What is the role of the inner electrons in an atom?
What is the period trend for effective nuclear charge? Why?
What is the group trend for effective nuclear charge? Why?
PROBLEM TO BE COMPLETED FOR CLASS (from the end of chapter 7): #17
GUIDED STUDY QUESTIONS FOR SECTION 7.3
Define "bonding atomic radius"
Why is the nucleus used as the reference point for determining the size of an atom?
What is the group trend for atomic radius? Why?
What is the period trend for atomic radius? Why?
Review Sample Exercise 7.2
What factors affect the size of an ion?
How do the sizes of cations and anions compare to the sizes of their respective parent atoms? Why?
What is the period trend for ionic radius? Why?
What is the group trend for ionic radius? Why?
7.3 continued 
Review Sample Exercise 7.3
Define "isoelectronic series" and provide an example of one
What is the trend for ionic radius within an isoelectronic series? Why?
Read "Chemistry Put to Work", P. 267
Review Sample Exercise 7.4
PROBLEMS TO BE COMPLETED FOR CLASS (from the end of chapter 7): #25, 27, 29, 33, 35
GUIDED STUDY QUESTIONS FOR SECTION 7.4
Define ionization energy
Compare and contrast I1 and I2
How do the values of successive IE's compare? Why?
Review Sample Exercise 7.5
What is the period trend for I1? Why?
What is the group trend for I1? Why?
What is the I1 trend for the transition metals? Why?
What is the I1 trend for the f-block elements? Why?
How are irregularities within certain periods explained? Provide examples of irregularities
Review Sample Exercises 7.6 & 7.7
PROBLEMS TO BE COMPLETED FOR CLASS (from the end of chapter 7): # 43, 45, 47, 49
GUIDED STUDY QUESTIONS FOR SECTION 7.5
Define electron affinity.
What is the difference between IE and EA?
What does a very negative EA mean? What does a very positive EA mean?
What is the group trend for EA for main group elements? Why?
What is the period trend for EA? Why?
How are the irregularities for groups 2 and 15 explained?
PROBLEMS TO BE COMPLETED FOR CLASS (from the end of chapter 7): #51, 98
GUIDED STUDY QUESTIONS FOR SECTION 7.6
Many of the generalizations in this section have been learned and applied previously in class (chapters 1-4).
Questions provided here are meant to focus on certain new information; read this section well for a review of
elemental properties and take whatever notes you need.
Define metallic character
What is the group trend for metallic character? Why?
What is the period trend for metallic character? Why?
PROBLEMS TO BE COMPLETED FOR CLASS (from the end of chapter 7): #55, 59, 61, 65
GUIDED STUDY QUESTIONS FOR SECTION 7.7
Many of the generalizations in this section have been learned and applied previously in class (chapters 1-4).
Read this section well for a review of elemental properties and take whatever notes you need.
Read "Chemistry & Life", P. 281
PROBLEMS TO BE COMPLETED FOR CLASS (from the end of chapter 7):# 69, 71
GUIDED STUDY QUESTIONS FOR SECTION 7.8
Many of the generalizations in this section have been learned and applied previously in class (chapters 1-4).
Questions provided here are meant to focus on certain new information; read this section well for a review of
elemental properties and take whatever notes you need.
Define "allotrope" and provide and example
How is Xe able to form certain compounds?
PROBLEMS TO BE COMPLETED FOR CLASS (from the end of chapter 7): #73, 75, 77