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