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Periodic Table Trends Flashcards | StudBud
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Periodic Table Trends
Periodic Table Trends
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#science #chemistry #elements #periodictable #periodic #highschool
Flashcards
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Answers
1
Arrange the following sets of elements in order of increasing atomic radius: Sn, Xe, Rb, Sr.
Rb < Xe < Sr < Sn
Xe < Sn < Rb < Sr
Sn < Rb < Sr < Xe
Xe < Sn < Sr < Rb
2
The lanthanide and actinide series of elements are found, respectively, in Periods
3 and 4
2 and 3
6 and 7
4 and 5
3
Which of the following is the most active non-metal in the Periodic Table?
F
S
Na
N
4
All of the elements in Group 16 have the same number of
neutrons
protons
valence electrons
energy levels
5
Which ion has the smallest ionic radius compared to its original neutral atom?
F-1
Mg+2
Na+1
Al+3
6
Which of the following elements has the lowest electronegativity?
Al
P
Br
F
7
Which of the following elements has the smallest atomic size?
P
Mg
Si
Al
8
Which of the following particles has the smallest atomic radius?
K
Na
Li
Cs
9
Which atom has the smallest atomic radius?
Ca
K
Na
Mg
10
Which element in Period 3 has the least tendency to lose an electron?
Al
P
Ar
Na
11
In Period 2, as the elements are considered from left to right, there is a decrease in
atomic mass
atomic radius
atomic number
ionization energy
12
Which sequence of properties occurs as the atomic numbers increase across Period 3?
nonmetal -> metal -> noble gas -> metalloid
metal -> metalloid -> nonmetal -> noble gas
nonmetal -> metalloid -> metal -> noble gas
metal -> nonmetal -> noble gas -> metalloid
13
Which element has the larger atomic radius?
Li
K
Rb
Fr
14
Which is the most reactive metal?
Al
F
Ca
Fr
15
Which element in Group 15 has the most metallic characteristics?
Bi
N
P
As
16
Who arranged the periodic table first by atomic mass and by their chemical properties?
Mendeleev
Mosely
JJ Thomson
Rutherford
17
Atoms of metallic elements tend to:
gain electrons and form positive ions
gain electrons and form negative ions
lose electrons and form positive ions
lose electrons and form negative ions
18
The pair of elements with the most similar chemical properties are:
Mg and Ca
Mg and S
S and Ar
Ca and Br
19
Which are two properties of most nonmetals?
high ionization energy and good electrical conductivity
low ionization energy and poor electrical conductivity
high ionization energy and poor electrical conductivity
low ionization energy and good electrical conductivity
20
More than two-thirds of the elements in the Periodic Table are
metals
noble gases
metalloids
nonmetals
21
WHich element will form an ion whose ionic radius is larger than its atomic radius?
K
Li
Mg
F
22
From the top to the bottom of Group 15, which sequence in properties occurs?
nonmetal -> metalloid -> metal
metal -> nonmetal -> metalloid
metal -> metalloid -> nonmetal
metalloid -> metal -> nonmetal
23
Which of the following atoms has the highest electron affinity?
I
Br
Cl
F
24
Which of the following periods contains the greatest number of metallic elements?
1
2
3
4
25
Which atom has the largest ionization energy?
I
F
Br
Cl
26
Which of the following atoms has the highest ionization energy?
Cl
I
F
Br
27
Which of the following atoms has the lowest electron affinity?
Mg
Sr
Ba
Ca
28
Arrange the following sets of elements in order of increasing atomic radius: Rn, He, Xe, Kr.
Rn < Xe < Kr < He
He < Kr < Xe < Rn
Xe < Kr < Rn < He
He < Rn < Kr < Xe
29
Which ion is smaller than its corresponding neutral atom?
Al+3
O-2
N-3
Br-1
30
An element whose atoms have the electron configuration s
2
d
1
is:
a noble gas
a transition element
an alkaline earth metal
an alkali metal
31
How many electrons are in the otermost orbit of each element in Group 17?
5
7
8
2
