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Periodic Table Trends
Periodic Table Trends
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AP Chemistry Multiple Choice Problems - Periodic Table Trends
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Questions
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Answers
1
Which of these elements has the highest electron affinity?
Bromine
Chlorine
Astatine
Iodine
2
Which of these elements has the lowest electron affinity?
Tellurium
Polonium
Selenium
Sulfur
3
The electron affinity of a noble gas is:
nearly zero
none of the above
difficult to predict
unusually high
4
Which element has the largest atomic radius?
He
Rn
H
Fr
5
How many elements are on the periodic table?
118
120
119
7
6
Which of these elements has the highest first ionization energy?
B
C
O
F
7
As you go from left to right across a period, the effective nuclear charge (Zeff) of an atom:
decreases
increases
stays the same
8
Given the representation of a chlorine atom, which circle might represent an atom of argon?
None of the above
B
C
D
9
Which of these elements has the lowest first ionization energy?
S
Na
P
Cl
10
The opposite of ionization energy, ___________ is the energy required to add an electron.
Second Ionization Energy
Electron Affinity
Electronegativity
Effective Nuclear Charge (Zeff)
11
An atom with a strong effective nuclear charge will have:
electron affinity unaffected by its nucleus
high electron affinity
low electron affinity
12
Which of these elements has the smallest atomic radius?
Br
Fe
K
Kr
13
As you move left to right across a period, the number of energy levels in the atom:
stays the same
increases
decreases
none of the above
14
As you move from top to bottom on the periodic table:
ionization energy increases and electronegativity decreases.
ionization energy decreases and electronegativity decreases.
ionization energy increases and electronegativity increases.
ionization energy decreases and electronegativity increases.
15
Which of these elements has the lowest electronegativity?
Al
Na
S
P
16
For which of the properties does Li have a larger value than K?
First Ionization Energy
Number of Protons
Ionic Radius
Atomic Radius
17
Atoms in period 4 have ______ energy levels than those in period 5.
less
the same amount of
more
18
Given the representation of a chlorine atom, which circle might represent an atom of fluorine?
B
C
D
none of the above
19
Given the representation of a chlorine atom, which circle might a chloride ion, Cl
-
?
C
none of the above
B
D
20
As you move up and to the right on the periodic table:
atomic radius decreases and electronegativity increases.
atomic radius increases and electronegativity decreases.
atomic radius decreases and electronegativity decreases.
atomic radius increases and electronegativity increases.
21
Cations are _______ than the atom from which they are formed
larger
smaller
22
Which of these elements has the highest electronegativity?
Li
N
Be
K
23
The least electronegative elements are the:
Alkali Metals
Halogens
Noble Gasses
Metalloids
24
Which of these elements has the largest atomic radius?
Al
S
K
Ca
25
Ionization Energy _______ as each successive electron is removed.
stays the same
decreases
increases
