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ATOMIC RADIUS TRENDS FINAL
Test Description: Practice questions about atomic radius.
Instructions: Answer all questions to get your test result.
1) Atomic Radius ________________ down a group.
A
Increase
B
Stays the same
C
Decrease
D
varies
2) Which group contains the elements with the smallest radius on the periodic table?
A
Alkaline Earth metals
B
Alkali metals
C
Noble Gases
D
Halogens
3) Which of the following has the largest atomic radius?
A
Na
B
Mg
C
Be
D
K
4) Which of the following has the smallest atomic radius?
A
Al
B
B
C
F
D
N
5) Which of the noble gases has the smallest atomic radius?
A
He
B
Rn
C
F
D
At
6) Which of the following is an accurate statement?
A
Atomic radius decreases across a period because there are less protons as you go across.
B
Sodium (Na) is bigger than Magnesium (Mg).
C
There are no differences in the periodic table regarding atomic radius.
D
Nitrogen (N) is smaller than Francium (Fr)
7) Which of the following elements is the largest element on the periodic table?
A
Fr
B
Ca
C
He
D
Mg
8) Which of the following is the correct definition for atomic radius?
A
Atomic radius is the distance between the nuclei of two bonded atoms
B
It is measured on the Pauling Scale
C
It is measured in mols
D
Atomic radius is half the distance between the nuclei of two bonded atoms
9) Order the following elements from biggest to smallest. Ti, Cr, K, Ge
A
Ti, Cr, Ge, K
B
Ge, Cr, Ti, K
C
K, Ti, Ge, Cr
D
K, Ti, Cr, Ge
10) Which of the following elements is in group 2?
A
B
B
Ti
C
Li
D
Ca
*select an answer for all questions
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