Periodic Trends Review
Chemistry
9th Grade - University
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32 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Elements Z and X are compared. Element Z is larger than Element X. Based on this you could say:
Element Z is further to the left side of the periodic table
Element X is closer to the top of the periodic table
Element Z and X are probably in the same group
A and/or B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atomic radius generally increases as we move __________.
down a group and from right to left across a period
up a group and from left to right across a period
down a group and from left to right across a period
up a group and from right to left across a period
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The atomic radius of main-group elements generally increases down a group because ________.
effective nuclear charge increases down a group
effective nuclear charge decreases down a group
effective nuclear charge zigzags down a group
the principal quantum number of the valence orbitals increases
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one of the following atoms has the largest radius?
O
F
S
Cl
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one of the following atoms has the largest radius?
Sr
Ca
K
Rb
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one of the following has the smallest radius?
Na
Cl
P
Br
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one of the following atoms has the largest radius?
I
Co
Ba
Sr
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