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Periodic Table Test
Multiple Choice Identify the choice that best completes the statement or answers the question.
____
1. Mendeleev arranged the known chemical elements in a table according to increasing
a. atomic number.
c. number of protons.
b. number of electrons.
d. mass.
____
2. In a periodic table, a set of properties repeats from
a. element to element.
c. column to column.
b. group to group.
d. row to row.
____
3. Mendeleev gave the name eka-aluminum to a(an)
a. compound containing aluminum.
b. mixture of aluminum and an unknown element.
c. unknown element he predicted would have properties similar to those of aluminum.
d. rare isotope of aluminum.
____
4. The usefulness of Mendeleev’s periodic table was confirmed by
a. the discovery of subatomic particles.
b. its immediate acceptance by other scientists.
c. the discovery of elements with predicted properties.
d. the discovery of the nucleus.
____
Figure 5-1
5. Figure 5-1 shows a portion of a blank periodic table. Identify the segments labeled A and B.
a. A and B are both periods.
c. A and B are both groups.
b. A is a period and B is a group.
d. A is a group and B is a period.
____
6. Moving from left to right across a row of the periodic table, which of the following values increases by
exactly one from element to element?
a. isotope number
c. atomic mass unit
b. atomic number
d. mass number
____
7. The standard on which the atomic mass unit is based is the mass of a
a. proton.
c. chlorine-35 atom.
b. neutron.
d. carbon-12 atom.
____
8. The atomic mass of an element is
a. the sum of the protons and neutrons in one atom of the element.
b. twice the number of protons in one atom of the element.
c. a ratio based on the mass of a carbon-12 atom.
d. a weighted average of the masses of an element’s isotopes.
____
9. One twelfth the mass of a carbon-12 atom is used to define a(an)
a. atomic number.
c. mass number.
b. atomic mass.
d. atomic mass unit.
____ 10. The unit for atomic mass is
a. gram
b. amu
c. pound
d. none of the above
____ 11. Which list of elements contains only metals?
a. carbon, iodine, tin
b. tin, copper, cesium
c. helium, iron, copper
d. iodine, carbon, argon
____ 12. Which general statement does NOT apply to metals?
a. Most metals are ductile.
b. Most metals are malleable.
c. Most metals are brittle.
d. Most metals are good conductors of electric current.
____ 13. Group 7A of the periodic table contains the
a. most reactive nonmetals.
b. most reactive metals.
c. least reactive nonmetals.
d. least reactive metals.
____ 14. Two highly reactive elements in Period 2 are the metal lithium and the
a. metalloid arsenic.
c. nonmetal fluorine.
b. nonmetal selenium.
d. nonmetal krypton.
____ 15. Atoms of the most reactive elements tend to have
a. one or seven valence electrons.
c. four or five valence electrons.
b. eight valence electrons.
d. no valence electrons.
____ 16. As you move from left to right across a period, the number of valence electrons
a. increases.
c. increases and then decreases.
b. stays the same.
d. decreases.
____ 17. Compared with Group 2A elements, Group 6A elements have
a. more atoms in the ground state.
c. more isotopes.
b. more valence electrons.
d. fewer valence electrons.
____ 18. The tendency of an element to react is closely related to
a. its atomic mass.
b. attractions between its atoms.
c. the number of valence electrons in atoms of the element.
d. the ratio of protons to neutrons in atoms of the element.
____ 19. Which of the following Group 1A elements is the most reactive?
a. Cs (cesium)
c. K (potassium)
b. Li (lithium)
d. Na (sodium)
____ 20. Which of the following Group 7A elements is the most reactive?
a. Cl (chlorine)
c. F (fluorine)
b. I (iodine)
d. Br (bromine)
____ 21. Among the alkali metals, the tendency to react with other substances
a. does not vary among the members of the group.
b. increases from top to bottom within the group.
c. varies in an unpredictable way within the group.
d. decreases from top to bottom within the group.
____ 22. To keep them from reacting, some highly reactive elements are stored in
a. water.
c. liquid mercury.
b. pure oxygen.
d. argon.
____ 23. Which element is found in nature only in compounds?
a. sodium
c. oxygen
b. helium
d. nitrogen
____ 24. Which element is found in most of the compounds in your body except for water?
a. iodine
c. iron
b. potassium
d. carbon
USING SCIENCE SKILLS Use the passages and figures to respond to the following questions.
Figure 5-2
25. Using Tables and Graphs Which of the elements shown in Figure 5-2 are in the same period?
a. F and I
b. Be, C, N, and F
c. Na, V, and I
d. Be and ?
26. Classifying Which element in Figure 5-2 is a transition metal? Which is a noble gas?
a. Transition metal V; noble gas I
b. Transition metal He; noble gas V
c. Transition metal Na; noble gas F
d. Transition metal V; noble gas He
27. Using Tables and Graphs Which elements in Figure 5-2 have the same number of valence electrons? How
do you know?
a. F and I; they are in the same group.
b. F and I; they are in the same period
c. C, N, and F; they are in the same group.
d. C, N, and F; they are in the same period.
28. Inferring Find the block labeled ? in Figure 5-2. What is its atomic number? How many valence electrons
does it have? Which of the elements shown in Figure 5-2 will it most resemble?
a. atomic number 6; valence electrons 3; most resembles sodium (Na)
b. atomic number 2; valence electrons 12; most resembles beryllium (Be)
c. atomic number 12; valence electrons 2; most resembles beryllium
d. atomic number 3; valence electrons 6; most resembles sodium (Na
Figure 5-3
29. Classifying Classify the elements in Figure 5-3 as metals, metalloids, or nonmetals. Explain your answer.
a. These elements are all metals. They are found on the left side of the periodic table.
b. These elements are all metals. They are found on the right side of the periodic table.
c. These elements are all metalloids. They are found along the staircase of the periodic table.
d. These elements are all nonmetals. They are found on the right side of the periodic table.
30. Inferring Identify the most reactive element shown in Figure 5-3. Explain your answer.
a. Rb is the most reactive element shown. Group 1A alkaline earth metals are the most reactive metals, and
the reactivity of elements in Group 1A increases from top to bottom.
b. Li is the most reactive element shown. Group 1A alkaline earth metals are the most reactive metals, and the
reactivity of elements in Group 1A increases from bottom to top.
c. Rb is the most reactive element shown. Group 1A alkali metals are the most reactive metals, and the
reactivity of elements in Group 1A increases from top to bottom.
d. Li is the most reactive element shown. Group 1A alkali metals are the most reactive metals, and the
reactivity of elements in Group 1A increases from bottom to top.
31. Using Tables and Graphs What do the numbers in the boxes in Figure 5-3 represent? What is the importance
of these numbers?
a. Atomic mass; an atomic number is the number of protons and the number of electrons in an atom.
b. Atomic numbers; an atomic number is the number of protons and the number of electrons in an atom.
c. Atomic mass; an atomic number is the number of protons and the number of neutrons in an atom.
d. Atomic numbers; an atomic number is the number of protons and the number of neutrons in an atom.
32. Comparing and Contrasting Describe ways in which the elements in Group 1A are similar. Then describe
ways in which Group 2A elements differ from elements in Group 1A.
a. The elements in Group 1A are alkali metals, less reactive, and have two valence electrons. The elements in
Group 2A are alkaline earth metals, more reactive, and have one valence electrons.
b. The elements in Group 1A are alkali metals, more reactive, and have a single valence electron. The
elements in Group 2A are alkaline earth metals, less reactive, and have two valence electrons.
c. The elements in Group 1A are transition metals, more reactive, and have three valence electrons. The
elements in Group 2A are metalloids, less reactive, and have four valence electrons.
d. The elements in Group 1A are halogens, more reactive, and have a single valence electron. The elements in
Group 2A are noble gases, less reactive, and have two valence electrons.
Periodic Table Test Answer Section MULTIPLE CHOICE
1. ANS: D
PTS: 1
DIF: L2
OBJ: 5.1.1 Describe how Mendeleev arranged the elements in his table.
2. ANS: D
PTS: 1
DIF: L1
OBJ: 5.1.1 Describe how Mendeleev arranged the elements in his table.
3. ANS: C
PTS: 1
DIF: L2
OBJ: 5.1.2 Explain how the predictions Mendeleev made and the discovery of new elements demonstrated
the usefulness of his periodic table.
4. ANS: C
PTS: 1
DIF: L1
OBJ: 5.1.2 Explain how the predictions Mendeleev made and the discovery of new elements demonstrated
the usefulness of his periodic table.
5. ANS: B
PTS: 1
DIF: L1
OBJ: 5.2.1 Describe the arrangement of elements in the modern periodic table.
STA: MS.PS.3.b
6. ANS: B
PTS: 1
DIF: L2
OBJ: 5.2.1 Describe the arrangement of elements in the modern periodic table.
STA: MS.PS.3.b
7. ANS: D
PTS: 1
DIF: L2
OBJ: 5.2.2 Explain how the atomic mass of an element is determined and how atomic mass units are
defined.
STA: MS.PS.3.b
8. ANS: D
PTS: 1
DIF: L2
OBJ: 5.2.2 Explain how the atomic mass of an element is determined and how atomic mass units are
defined.
STA: MS.PS.3.b
9. ANS: D
PTS: 1
DIF: L1
OBJ: 5.2.2 Explain how the atomic mass of an element is determined and how atomic mass units are
defined.
STA: MS.PS.3.b
10. ANS: B
PTS: 1
DIF: L1
OBJ: 5.2.2 Explain how the atomic mass of an element is determined and how atomic mass units are
defined.
STA: MS.PS.3.b
11. ANS: B
PTS: 1
DIF: L1
OBJ: 5.2.3 Identify general properties of metals, nonmetals, and metalloids.
STA: MS.PS.3.b
12. ANS: C
PTS: 1
DIF: L2
OBJ: 5.2.3 Identify general properties of metals, nonmetals, and metalloids.
STA: MS.PS.3.b
13. ANS: A
PTS: 1
DIF: L1
OBJ: 5.2.4 Describe how properties of elements change across a period in the periodic table.
STA: MS.PS.3.b
14. ANS: C
PTS: 1
DIF: L2
OBJ: 5.2.4 Describe how properties of elements change across a period in the periodic table.
STA: MS.PS.3.b
15. ANS: A
PTS: 1
DIF: L2
OBJ: 5.3.1 Relate the number of valence electrons to groups in the periodic table and to properties of
elements in those groups.
STA: MS.PS.3.b
16. ANS: A
PTS: 1
DIF: L1
OBJ: 5.3.1 Relate the number of valence electrons to groups in the periodic table and to properties of
elements in those groups.
STA: MS.PS.3.b
17. ANS: B
PTS: 1
DIF: L1
OBJ: 5.3.1 Relate the number of valence electrons to groups in the periodic table and to properties of
elements in those groups.
STA: MS.PS.3.b
18. ANS: C
PTS: 1
DIF: L1
OBJ: 5.3.1 Relate the number of valence electrons to groups in the periodic table and to properties of
elements in those groups.
STA: MS.PS.3.b
19. ANS: A
PTS: 1
DIF: L1
OBJ: 5.3.2 Predict the reactivity of some elements based on their locations within a group.
STA: MS.PS.3.b
20. ANS: C
PTS: 1
DIF: L1
OBJ: 5.3.2 Predict the reactivity of some elements based on their locations within a group.
STA: MS.PS.3.b
21. ANS: B
PTS: 1
DIF: L2
OBJ: 5.3.2 Predict the reactivity of some elements based on their locations within a group.
STA: MS.PS.3.b
22. ANS: D
PTS: 1
DIF: L2
OBJ: 5.3.3 Identify some properties of common A group elements.
STA: MS.PS.3.b
23. ANS: A
PTS: 1
DIF: L2
OBJ: 5.3.3 Identify some properties of common A group elements.
STA: MS.PS.3.b
24. ANS: D
PTS: 1
DIF: L1
OBJ: 5.3.3 Identify some properties of common A group elements.
STA: MS.PS.3.b
25. ANS:
b. Be, C, N, and F
PTS: 1
DIF: L1
OBJ: 5.2.1 Describe the arrangement of elements in the modern periodic table.
STA: MS.PS.3.b
26. ANS: d. Transition metal V; noble gas He
PTS: 1
DIF: L1
OBJ: 5.2.3 Identify general properties of metals, nonmetals, and metalloids.
STA: MS.PS.3.b
27. ANS: a. F and I; they are in the same group.
28. ANS: c. atomic number 12; valence electrons 2; most resembles beryllium
29. ANS: a. These elements are all metals. They are found on the left side of the periodic table.
30. ANS: c. Rb is the most reactive element shown. Group 1A alkali metals are the most reactive metals, and the
reactivity of elements in Group 1A increases from top to bottom.
31. ANS: b. Atomic numbers; an atomic number is the number of protons and the number of electrons in an
atom.
32. ANS: b. The elements in Group 1A are alkali metals, more reactive, and have a single valence electron. The
elements in Group 2A are alkaline earth metals, less reactive, and have two valence electrons.