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Chem 1 Periodic Table Trends Flashcards | StudBud
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Chem 1 Periodic Table Trends
Chem 1 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
More than two-thirds of the elements in the Periodic Table are
nonmetals
metalloids
noble gases
metals
2
Which of the following elements has the smallest atomic size?
Mg
P
Si
Al
3
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
4
Which sequence of properties occurs as the atomic numbers increase across Period 3?
nonmetal -> metalloid -> metal -> noble gas
metal -> nonmetal -> noble gas -> metalloid
nonmetal -> metal -> noble gas -> metalloid
metal -> metalloid -> nonmetal -> noble gas
5
From the top to the bottom of Group 15, which sequence in properties occurs?
nonmetal -> metalloid -> metal
metal -> nonmetal -> metalloid
metalloid -> metal -> nonmetal
metal -> metalloid -> nonmetal
6
Arrange the following sets of elements in order of increasing atomic radius: Sn, Xe, Rb, Sr.
Xe < Sn < Sr < Rb
Xe < Sn < Rb < Sr
Sn < Rb < Sr < Xe
Rb < Xe < Sr < Sn
7
Which atom has the largest ionization energy?
I
Br
Cl
F
8
How many electrons are in the outermost energy level of each element in Group 17?
2
8
5
7
9
The pair of elements with the most similar chemical properties are:
S and Ar
Mg and Ca
Mg and S
Ca and Br
10
All of the elements in Group 16 have the same number of
energy levels
valence electrons
neutrons
protons
11
Which of the following is the most reactive non-metal in the Periodic Table?
N
S
F
Na
12
Which is the most reactive metal?
Ca
F
Fr
Al
13
In Period 2, as the elements are considered from left to right, there is a decrease in
atomic radius
ionization energy
atomic number
atomic mass
14
Which ion is smaller than its corresponding neutral atom?
Al+3
N-3
Br-1
O-2
15
Which element has the larger atomic radius?
Fr
Rb
K
Li
16
Which of the following atoms has the highest ionization energy?
Cl
I
F
Br
17
Who arranged the periodic table first by atomic mass and by their chemical properties?
Mosely
JJ Thomson
Mendeleev
Rutherford
18
Which element will form an ion whose ionic radius is larger than its atomic radius?
Mg
K
Li
F
19
Which atom has the smallest atomic radius?
Ca
K
Na
Mg
20
Which of the following particles has the smallest atomic radius?
Cs
Li
Na
K
21
Atoms of metallic elements tend to:
gain electrons and form positive ions
lose electrons and form positive ions
lose electrons and form negative ions
gain electrons and form negative ions
22
Arrange the following sets of elements in order of increasing atomic radius: Rn, He, Xe, Kr.
Rn < Xe < Kr < He
He < Kr < Xe < Rn
He < Rn < Kr < Xe
Xe < Kr < Rn < He
23
Which ion has the smallest ionic radius compared to its original neutral atom?
F-1
Mg+2
Al+3
Na+1
