G4 Intensified Chemistry
UNIT G PRE-TEST/STUDY GUIDE
Chemistry
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Mrs. Fenstermacher
Who is the individual credited with developing the original periodic law?
_______________________________
How did this individual state his version of the periodic law? _________________________________
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Who is credited with developing the modern periodic law? _________________
State, in your own words, the modern periodic law: ______________________________________
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Vertical columns in the periodic table are called _______________ or ______________. Elements in
the same column have the same number of electrons in their ___________ ___________.
Horizontal rows in the periodic table are called ________________.
The number of a row in the periodic table corresponds to the ___________ ___________ of its
valence shell.
Which period contains only two elements? ___________ What are these two elements?
_______________ and _________________
What is a charged species or atom called? ____________
Non-metals tend to ______________ an electron to form a(n) __________, or negatively charged
species.
Metals tend to ___________ an electron to form a(n) ___________, or positively charged species.
What is ionization energy? ____________________________________________________________
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As more electrons are removed from an atom, does it take more or less energy to do so?
________________
How does the shielding effect help to explain the general trend that the ionization energy decreases as
you move down a group (increasing atomic number)? _______________________________________
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What else contributes to the decrease in ionization energy as you move down a group (increasing
atomic number)? ____________________________________________________________________
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What is electronegativity? _____________________________________________________________
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How is atomic radius defined? _________________________________________________________
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How does the ionic radius of a metal differ from its atomic radius? ____________
How does the ionic radius of a non-metal differ from its atomic radius? ________
On the periodic chart that appears below, which letter corresponds to the location of the element with
the highest first ionization energy? _________
On the periodic chart that appears below, which letter corresponds to the location of the element with
the lowest first ionization energy (Hint: It is the most metallic element on the chart)? _________
G4 Intensified Chemistry
22. On the periodic chart that appears below, which letter corresponds to the location of the element with
the highest electronegativity (Hint: It is the most non-metallic element, aside from the noble gases, on
the chart)? _________
23. On the periodic chart that appears below, which letter corresponds to the location of the element with
the lowest electronegativity? _________
24. On the periodic chart that appears below, which letter(s) correspond(s) to the location of the element(s)
which is (are) member(s) of the lanthanide series? _________
25. On the periodic chart that appears below, which letter(s) correspond(s) to the location of the element(s)
which is (are) member(s) of the actinoid series? _________
26. On the periodic chart that appears below, which letter(s) correspond(s) to the location of the element(s)
having five electrons in its (their) valence shell? _________
27. On the periodic chart that appears below, which letter(s) correspond(s) to the location of the element(s)
which is (are) (a) member(s) of the oxygen group? _________
28. On the periodic chart that appears below, which letter(s) correspond(s) to the location of the element(s)
which is (are) (a) member(s) of the halogen group? _________
29. On the periodic chart that appears below, which letter(s) correspond(s) to the location of the element(s)
which is (are) (a)metalloid(s) or semi-metal(s)? _________
30. On the periodic chart that appears below, how many energy levels does element “H” have?
_______________
31. On the periodic chart that appears below, how many electrons are in the valence shell of the group that
is headed by element “A?” _______________
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