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WorksheetsPeriodic Trends 1
Total questions: 8
Worksheet time: 22mins
Name
Class
Date
1.
As you move down a group, atomic radius increases because -
a)
you add more and more neutrons
b)
you add more and more protons
c)
you add more and more shells (energy levels)
d)
you add more atomic mass
2.
The atom with the largest atomic radius in Group 18 is -
a)
Ar
b)
He
c)
Kr
d)
Rn
3.
As you move across the periodic table from left to right, the atomic radius decreases. This is because -
a)
the number of protons increases, so attraction to electrons increases
b)
the number of energy levels increases
c)
the number of electrons increases
d)
the atomic mass increases
4.
Which element in Period 2 has the greatest atomic radius?
a)
Be
b)
C
c)
Na
d)
Li
5.
Which of the group 13 elements is the largest?
a)
B
b)
Ti
c)
Fr
d)
Ga
6.
The largest atom on the periodic table is
a)
Silicon
b)
Helium
c)
Francium
d)
Hydrogen
7.
The atom with the largest atomic radius in Period 4 (row 4) is -
a)
K
b)
Kr
c)
Fe
d)
Fe
8.
Which of the following will have a larger radius than Zinc?
a)
Gallium
b)
Aluminum
c)
Magnesium
d)
Strontium
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