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