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Duplicate of Periodic Table Trends Flashcards | StudBud
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Duplicate of Periodic Table Trends
Duplicate of 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 are two properties of most nonmetals?
low ionization energy and poor electrical conductivity
high ionization energy and good electrical conductivity
high ionization energy and poor electrical conductivity
low ionization energy and good electrical conductivity
2
Which element in Period 3 has the least tendency to lose an electron?
P
Al
Na
Ar
3
Which is the most reactive metal?
Ca
Fr
F
Al
4
Who arranged the periodic table first by atomic mass and by their chemical properties?
Mendeleev
Rutherford
JJ Thomson
Mosely
5
From the top to the bottom of Group 5, which sequence in properties occurs?
metalloid -> metal -> nonmetal
nonmetal -> metalloid -> metal
metal -> nonmetal -> metalloid
metal -> metalloid -> nonmetal
6
An element whose atoms have the electron configuration s
2
d
1
is:
a noble gas (group 0)
an alkali metal (group 1)
an alkaline earth metal (group 2)
a d-block element
7
Which sequence of properties occurs as the atomic numbers increase across Period 3?
nonmetal -> metalloid -> metal -> noble gas
nonmetal -> metal -> noble gas -> metalloid
metal -> nonmetal -> noble gas -> metalloid
metal -> metalloid -> nonmetal -> noble gas
8
Atoms of metallic elements tend to:
lose electrons and form positive ions
lose electrons and form negative ions
gain electrons and form positive ions
gain electrons and form negative ions
9
Which of the following particles has the smallest atomic radius?
Na
Li
Cs
K
10
Which of the following elements has the smallest atomic size?
Mg
P
Al
Si
11
All of the elements in Group 6 have the same number of
protons
energy levels
neutrons
valence electrons
12
Which of the following is the most reactive non-metal in the Periodic Table?
S
N
Na
F
13
The pair of elements with the most similar chemical properties are:
S and Ar
Ca and Br
Mg and S
Mg and Ca
14
How many electrons are in the outermost shell of each element in Group 7?
5
8
7
2
15
Which of the following atoms has the highest electron affinity?
Br
Cl
F
I
16
Which of the following atoms has the highest ionization energy?
Cl
F
I
Br
17
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
18
Which atom has the smallest first ionization energy?
Rb
K
Na
Li
19
Which of the following atoms has the lowest electron affinity?
Mg
Ca
Sr
Ba
20
Arrange the following sets of elements in order of increasing atomic radius: Rn, He, Xe, Kr.
Rn < Xe < Kr < He
He < Rn < Kr < Xe
Xe < Kr < Rn < He
He < Kr < Xe < Rn
