Worksheets11chemistry( atomic radius)
Total questions: 10
Worksheet time: 8mins
Name
Class
Date
1.
Which atom has the largest atomic radius?
a)
potassium
b)
rubidium
c)
francium
d)
cesium
2.
As you move down the periodic table atoms get bigger. This is because ____________.
a)
The atoms have more mass.
b)
The atoms have more protons.
c)
The atoms have more energy levels
d)
The atoms have more nuetrons
3.
As you move across the periodic table atoms tend to get smaller because, ______________.
a)
the atoms have more mass.
b)
the atoms have less mass
c)
the atoms have more protons.
d)
the atoms have less electrons.
4.
The atom with the largest atomic radius in Group 18 is -
a)
Ar
b)
He
c)
Kr
d)
Rn
5.
Which periodic group has the smallest atomic radius?
a)
Alkali metals
b)
Halogens
c)
Noble Gases
d)
Transition metals
6.
Which of the following will have a larger radius than Zinc?
a)
Gallium
b)
Aluminum
c)
Magnesium
d)
Strontium
7.
The more protons there are, the ____ .
a)
Weaker the pull
b)
Smaller the electrons
c)
Stronger the pull
d)
The bigger the electrons
8.
Which one has the largest radius?
a)
Lithium (Li, atomic #3)
b)
Boron (B, atomic #5)
c)
Neon (Ne, atomic #10)
d)
Nitrogen (N, atomic #7)
9.
What is the atomic radius?
a)
The distance from the nucleus to the outer boundary of an atom
b)
The distance from one side of an atom to the other side
c)
The distance around the atom
d)
The distance between atoms in the gas phase
e)
The distance between atoms in the solid phase
10.
Why is iodine larger than bromine?
a)
iodine has a greater number of electrons than bromine
b)
iodine has a greater number of protons than bromine
c)
iodine has more occupied energy levels and greater shielding than bromine
d)
iodine has more neutrons than bromine
e)
iodine has more valence electrons than bromine
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