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Unit 4 Test Practice-Periodic Table


True/False
Indicate whether the sentence or statement is true or false.
 

 1. 
The stable elements with a full set of valence electrons are the noble gases.
 

 2. 
The horizontal rows in the periodic table are known as groups.
 

 3. 
Elements arranged in vertical columns in the periodic table are called periods.
 

 4. 
Metals are good conductors of heat and electricity.
 

 5. 
The maximum number of valence electrons that an atom can have is 8.
 

 6. 
The atomic number of an element is determined by its number of protons.
 

 7. 
The modern periodic table is organized according to atomic mass.
 

 8. 
One proton and one neutron are added to each element as you go across the periodic table.
 

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 9. 
A horizontal row Ö of blocks in the periodic table is called a(n)
a.
period.
b.
family.
c.
group.
d.
octet.
 

 10. 
Which of the following have the same number of valence electrons?
a.
the elements in a period
b.
the elements having similar atomic masses
c.
the elements having similar atomic numbers
d.
the elements in a group
 

 11. 
The elements in Group 1 are also known by what name?
a.
rare-earth series.
c.
active metals.
b.
alkali metals.
d.
actinide series.
 

 12. 
The nonmetals in Groups 6A and 7A  ____.
a.
lose electrons when they form bonds
b.
do not react with anything
c.
gain electrons when they form bonds
 

 13. 
Mendeleev created the first periodic table by arranging elements in order of increasing
a.
atomic number.
c.
neutrons.
b.
increasing densities.
d.
atomic mass.
 

 14. 
The metals in Groups 1A, 2A, and 3A ____.
a.
lose electrons when they form bonds
b.
do not react with anything
c.
gain electrons when they form bonds
 

 15. 
Hydrogen is placed separately from other elements in the periodic table because it
a.
does not exist in nature.
b.
has many unique properties.
c.
has no protons.
 

 16. 
Of the elements Pt, V, Li, and Kr, which is a nonmetal?
a.
Pt
b.
V
c.
Li
d.
Kr
 

 17. 
The modern periodic table is arranged in order of increasing atomic ____.
a.
radius
b.
charge
c.
number
d.
mass
 

 18. 
As the atomic number of the metals of Group 1 increases, the size of the atom...
a.
cannot be determined.
c.
remains the same.
b.
increases.
d.
decreases.
 

 19. 
When Sodium forms bonds to be like a noble gas, it is trying to be like
a.
neon.
b.
hydrogen.
c.
argon.
d.
magnesium.
 

 20. 
Which elements have two valence electrons in their atoms?
a.
halogens metals
c.
alkaline earth metals
b.
alkali metals
d.
nitrogen group
 

 21. 
Argon-Ar, krypton-Kr, and xenon-Xe are
a.
noble gases.
c.
alkaline earth metals.
b.
actinides.
d.
lanthanides.
 

 22. 
Which of the following elements is in the same period as phosphorus-P?
a.
oxygen-O
c.
carbon-C
b.
nitrogen-N
d.
magnesium-Mg
 

 23. 
To what category of elements does an element belong if it is dull, brittle and is a poor conductor of electricity?
a.
metalloids
c.
transition elements
b.
metals
d.
nonmetals
 

 24. 
In the periodic table, the most reactive metals are found
a.
in Group 1, the first column on the left.
b.
in Periods 6 and 7 at the bottom.
c.
in Groups 13 through 16 in the center.
d.
in Period 1, the first row across the top.
 

 25. 
Most of the nonmetal elements exist as:
a.
alloys.
b.
solids.
c.
gases.
d.
liquids.
 

 26. 
Fluorine-F, chlorine-Cl, bromine-Br, and iodine-I are part of a family called
a.
metalloids.
c.
halogens.
b.
alkali metals.
d.
noble gases.
 

 27. 
The electrons available to be lost, gained, or shared when atoms form compounds are called
a.
ions.
c.
electron clouds.
b.
inner electrons.
d.
valence electrons.
 

 28. 
Which elements share characteristics with both metals and nonmetals?
a.
alloys
c.
metalloids
b.
transition elements
d.
halogens
 

 29. 
Where are nonmetals located on the periodic table?
a.
in the middle rows
c.
to the left of the zigzag line å
b.
to the right of the zigzag line ä
d.
in the top rows
 

 30. 
Potassium-K and bromine-Br belong to
a.
Group 1.
b.
Group 4.
c.
Period 4.
d.
Period 1.
 

 31. 
Most metals are _____
a.
ductile and malleable.
c.
all of the above
b.
liquid at room temperature.
d.
poor conductors of electricity.
 

 32. 
The first member of the noble gas family, whose highest energy level contains a full set of 8 valence electrons is:
a.
krypton-Kr.
b.
neon-Ne.
c.
argon-Ar.
d.
helium-He.
 

 33. 
Where are metals located on the periodic table?
a.
in the top rows
c.
to the left of the zigzag line å
b.
to the right of the zigzag line ä
d.
in the middle rows
 

 34. 
Within a group of elements, as the atomic number increases, the atomic radius
a.
increases.
c.
varies unpredictably.
b.
remains approximately constant.
d.
decreases regularly.
 

 35. 
What is the greatest number of valence electrons an atom can have?
a.
3
b.
8
c.
18
d.
0
 

 36. 
Each period in the periodic table corresponds to ____.
a.
a galaxy
c.
an energy orbit
b.
a nucleus
d.
an energy level
 

 37. 
The most characteristic property of the noble gases is that they
a.
are gases at ordinary temperatures.
c.
are largely unreactive.
b.
are radioactive.
d.
have low boiling points.
 

 38. 
The elements in a column of the periodic table
a.
are in the same family.
c.
are in the same period.
b.
have the same chemical symbols.
d.
have the same atomic mass.
 

Completion
Complete each sentence or statement using a word from the word bank below. Just copy and paste each answer into the correct space.

atomic number            solid                  family                    metals
transition metals      gases                  one                    poor
periodic table                  nonmetals            eight                    inner transition metals
column                        three
-
 

 39. 
The extremely reactive Group 1(IA) elements have _________ valence electron(s).
 

 

 40. 
Elements known as ____________________ are located to the right of the metalloids on the periodic table.
 

 

 41. 
Element 3, lithium, has one valence electron, and element 4, beryllium, has two valence electrons. Element 5, boron, has ____________________ valence electrons.
 

 

 42. 
When Mendeleev organized elements in his periodic table in order of increasing mass, elements with similar properties were in the same ____________________.
 

 

 43. 
The name given to the group of elements that have been placed under the main part of the periodic table area called _______________________.
 

 

 44. 
Across a period, the number of valence electrons increases from one to _____________.
 

 

 45. 
In the 1800s, Dmitri Mendeleev organized the known elements into the first useful _________________________.
 

 

 46. 
Nonmetals are ____________________ conductors of heat and electricity.
 

 

 47. 
At room temperature, all the metalloids are solids, while most nonmetals are _________.
 

 

 48. 
A column of elements in the periodic table is called a group, or ____________________.
 

 

 49. 
The name given to the group in the center top portion of the periodic table  _______________________ .
 

 

 50. 
Most metals are in the ____________________ state at room temperature.
 

 



 
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