WorksheetsReview Exam Unit Period table and Trends
Total questions: 72
Worksheet time: 37mins
In the modern Periodic Table, the elements are arranged in order of increasing
atomic number
mass number
oxidation number
valence number
At STP, which of the following elements has the most metallic character?
iodine
bromine
chlorine
fluorine
As the elements are considered from the top to the bottom of Group VA, which sequence in properties occurs?
metal → metalloid → nonmetal
metal → nonmetal → metalloid
metalloid → metal → nonmetal
nonmetal → metalloid → metal
In Period 2, as the elements are considered from left to right, there is a decrease in
A. ionization energy
B. atomic mass
C. metallic character
D. nonmetallic character
Which of the following atoms has the smallest covalent atomic radius?
Li
Be
C
F
Which element listed has the least metallic character?
Na
Mg
Al
Si
As the atoms of the elements in Group 16 (VIA) are considered in order from top to bottom, their electronegativities
decrease
increase
remain the same
Which element in Period 3 has the largest covalent atomic radius?
Cl
Al
Na
P
An atom of which of the following elements has the smallest covalent radius?
Li
Be
C
F
The pair of elements with the most similar chemical properties are
Mg and S
Ca and Br
Mg and Ca
S and Ar
Which element is a member of the halogen family?
K
B
I
S
Which is an alkaline earth metal?
Mg
Zn
Li
Pb
An aqueous solution of XCl₂ contains colored ions. Element X is most likely
an alkaline earth
a halogen
a transition metal
an alkali metal
Which group contains an element that is a liquid at STP?
IA
IIA
VIA
VIIA
Which compound contains an alkali metal and a halogen?
CaCl₂
CaS
RbCl
Rb₂S
Which group in the Periodic Table contains the most active metals?
IA
IB
VIA
VIIB
Which group contains elements in the solid, liquid, and gas phases at 25°C and 1 atmosphere?
16 (VIA)
2 (IIA)
17 (VIIA)
18 (O)
In the ground state, all atoms of Group 13 (IIIA) of the Periodic Table have the same number of
nuclear particles
occupied principal energy levels
electrons
valence electrons
The alkaline earth metals are found in Group
1 (IA)
2 (IIA)
11 (IB)
12 (IIB)
Which group contains elements in the solid, liquid, and gaseous phase at room temperature?
17 (VIIA)
2 (IIA)
18 (O)
4 (IVB)
Which element is a noble gas?
W
Ar
N
Er
An element whose ions have a charge of 2− would be found in Group
16 (VIA)
2 (IIA)
13 (IIIA)
17 (VIIA)
The atomic number of an alkali metal is
1
11
14
20
Which group in the Periodic Table contains elements that are all gases at STP?
11 (IB)
17 (VIIA)
12 (IIB)
18 (O)
As the atoms of the metals of Group 1 (IA) in the ground state are considered in order from top to bottom, the number of occupied principal energy levels
decreases
increases
remains the same
Which statement best describes the alkaline earth elements?
They have one valence electron, and they form ions with a 1+ charge.
They have one valence electron, and they form ions with a 1− charge.
They have two valence electrons, and they form ions with a 2+ charge.
They have two valence electrons, and they form ions with a 2− charge.
Which group shown contains elements with the greatest variation in chemical properties?
Li, Be, B
Li, Na, K
B, Al, Ga
Be, Mg, Ca
Atoms of elements in a group on the Periodic Table have similar chemical properties. This similarity is most closely related to the atoms’
number of principal energy levels
number of valence electrons
atomic numbers
atomic masses
Which elements have the most similar chemical properties?
K and Na
K and Cl
K and Ca
K and S
Which element is a noble gas?
antimony
gold
krypton
francium
Which set of properties is most characteristic of transition elements?
colorless ions in solution, multiple positive oxidation states
colorless ions in solution, multiple negative oxidation states
colored ions in solution, multiple positive oxidation states
colored ions in solution, multiple negative oxidation states
Which element has chemical properties that are most similar to the chemical properties of fluorine?
boron
chlorine
neon
oxygen
Which elements have the most similar chemical properties?
boron and carbon
oxygen and sulfur
aluminum and bromine
argon and silicon
All the elements in Period 3 have the same number of
occupied sublevels
principal energy levels
electrons
protons
Which period contains three elements that commonly exist as diatomic molecules?
Period 1
Period 2
Period 3
Period 4
The element in Period 2 with the largest covalent atomic radius is
A. a halogen
B. a noble gas
C. an alkali metal
D. an alkaline earth metal
How many halogens are in Period 3 of the Periodic Table?
1
2
3
4
Which period of the Periodic Table contains more metallic elements than nonmetallic elements?
Period 1
Period 2
Period 3
Period 4
Which element in period 5 of the Periodic Table is a transition element?
Sr
Sb
Ag
Xe
The elements in Period 3 all have the same number of
valence electrons
orbitals containing electrons
sublevels containing electrons
principal energy levels containing electrons
Which of these elements in Period 3 has the least tendency to attract electrons?
Mg
Al
S
Cl
All of the atoms of the elements in Period 2 have the same number of
protons
neutrons
valence electrons
occupied principal energy levels
Which statement describes the elements in Period 3?
Each successive element has a greater atomic radius.
Each successive element has a lower electronegativity.
All elements have similar chemical properties.
All elements have valence electrons in the same principal energy level.
As the elements in Period 2 of the Periodic Table are considered in succession from left to right, there is a decrease in atomic radius with increasing atomic number. This may best be explained by the fact that the
number of protons increases, and the number of shells of electrons remains the same
number of protons increases, and the number of shells of electrons increases
number of protons decreases, and the number of shells of electrons remains the same
number of protons decreases, and the number of shells of electrons increases
More than two-thirds of the elements are classified as
nonmetals
metals
metalloids
noble gases
More than two-thirds of the elements of the Periodic Table are
metalloids
metals
nonmetals
noble gases
Which element is not a semimetal?
arsenic
boron
silicon
sulfur
Which set of elements contains a metalloid?
K, Mn, As, Ar
Li, Mg, Ca, Kr
Ba, Ag, Sn, Xe
Fr, F, O, Rn
Which elements are both classified as metalloids?
Ge and As
Bi and Po
B and C
Si and P
The elements located in the lower left corner of the Periodic Table are classified as
metals
nonmetals
metalloids
noble gases
Which list of elements contains a metal, a metalloid, a nonmetal, and a noble gas?
A. Be, Si, Cl, Kr
B. C, N, Ne, Ar
C. K, Fe, B, F
D. Na, Zn, As, Sb
Which list of elements includes a metal, a metalloid, and a noble gas?
Rb, Cl, Ne
Sr, Si, Rn
Rn, Cl, Ne
Si, Rb, Sr
Which element is classified as a metalloid?
Te
S
Hg
I
Which of the following elements has the lowest normal boiling point?
Ne
He
Ar
Kr
Which element would have properties characteristic of both a metal and a nonmetal?
Ag
K
Si
Xe
Which of the following metals has the lowest melting point?
copper
mercury
silver
iron
Which metal may be connected to an iron pipe to prevent the corrosion of the iron?
Co
Sn
Pb
Mg
Which element exists as monatomic molecules at STP?
hydrogen
nitrogen
argon
chlorine
Which of the following atmospheric gases is least likely to cause iron to corrode?
O2(g)
CO2(g)
Ar(g)
H2O(g)
Which metal must be combined with chromium to produce stainless steel?
radium
iron
copper
zinc
Which are two properties of most nonmetals?
low ionization energy and good electrical conductivity
high ionization energy and poor electrical conductivity
low ionization energy and poor electrical conductivity
high ionization energy and good electrical conductivity
Which metal will react with HCl(aq) to produce hydrogen gas?
Au
Hg
Cu
Zn
Which of the following elements has the highest electrical conductivity?
gold
iodine
sulfur
silicon
Which properties do naturally occurring metal compounds generally possess?
high stability and low solubility in water
high stability and high solubility in water
low stability and low solubility in water
low stability and high solubility in water
Most nonmetals have the properties of
high ionization energy and poor electrical conductivity
high ionization energy and good electrical conductivity
low ionization energy and poor electrical conductivity
low ionization energy and good electrical conductivity
A characteristic of most nonmetallic solids is that they are
brittle
ductile
malleable
conductors of electricity
Which element in Group 15 would most likely have luster and good electrical conductivity?
N
P
Bi
As
A property of most nonmetals in the solid state is that they are
good conductors of heat
good conductors of electricity
brittle
malleable
At STP, which substance is the best conductor of electricity?
nitrogen
neon
sulfur
silver
Which metal is used as a coating on steel to limit corrosion?
Na
Ca
K
Zn
Which substance at STP exists in the form of a monatomic gas?
neon
oxygen
chlorine
nitrogen
