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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 atom has the smallest atomic radius?
Ca
Mg
Na
K
2
All of the elements in Group 16 have the same number of
protons
valence electrons
energy levels
neutrons
3
Choose the element that is an alkali metal with the largest radius.
K
Li
Mg
Ba
4
Which group 17 atom has the greatest ionization energy?
I
F
Br
Cl
5
Which of the following alkali metals has the smallest atomic radius?
Na
Li
K
Cs
6
More than two-thirds of the elements in the Periodic Table are
noble gases
metalloids
metals
nonmetals
7
Which element in Period 3 has the least tendency to lose an electron?
Na
Ar
P
Al
8
Which of the following group 17 atoms has the highest electro-negativity?
Cl
F
I
Br
9
The pair of elements with the most similar chemical properties are:
S and Ar
Mg and S
Mg and Ca
Ca and Br
10
Which group of elements form the peaks on this ionization energy graph?
Semi-metals
Halogens
Noble gases
Alkali metals
11
Which group of elements make up the lowest 4 points on this ionization energy graph?
Alkali Earth metals
Transition Metals
Alkali Metals
Halogens
12
Which of the following group 17 elements has the highest ionization energy?
F
Br
I
Cl
13
Which are two properties of most non-metals?
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
14
Which group number is the least reactive?
17 Halogens
18 Noble gases
2 Alkali Earth Metals
1 Alkali Metals
15
How many electrons are in the outer most energy level of each element in Group 17?
8
2
5
7
16
Which of the following period 3 elements has the smallest atomic size?
P
Si
Al
Mg
17
Arrange the following noble gas elements in order of increasing atomic radius: Rn, He, Xe, Kr. (Smallest to biggest.)
He < Kr < Xe < Rn
Xe < Kr < Rn < He
Rn < Xe < Kr < He
He < Rn < Kr < Xe
18
Who is most often credited with creating the Periodic Table?
Niels Bohr
Dmitri Mendeleev
Marie Curie
Albert Einstein
19
Which group 1 element has the larger atomic radius?
Rb
K
Fr
Li
20
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
21
In Period 2, as the elements are considered from left to right, there is a decrease in
atomic mass
atomic number
atomic radius
ionization energy
22
Which of the following group 2 atoms has the lowest electro-negativity?
Sr
Mg
Ba
Ca
23
Which of the following periods contains the greatest number of metallic elements?
3
2
1
4
24
Arrange the following
period 5
elements in order of increasing atomic radius: Sn, Xe, Rb, Sr.
Sn < Rb < Sr < Xe
Xe < Sn < Sr < Rb
Rb < Xe < Sr < Sn
Xe < Sn < Rb < Sr