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Periodic Table Trends Shorter Flashcards | StudBud
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Periodic Table Trends Shorter
Periodic Table Trends Shorter
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#science #chemistry #elements #periodictable #periodic #highschool
Flashcards
18 cards
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Questions
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Answers
1
Which of these group 1 and 2 element has the smallest atomic radius?
K
Na
Mg
Ca
2
Which of the following alkali metals has the smallest atomic radius?
Na
Cs
Li
K
3
Which element in Period 3 has the least tendency to lose an electron?
Al
Na
P
Ar
4
Which of the following group 17 elements has the highest ionization energy?
Br
F
I
Cl
5
Which group 1 element has the larger atomic radius?
Rb
Li
K
Fr
6
How many electrons are in the outer most energy level of each element in Group 17?
7
2
5
8
7
I, Br and Fl are very reactive because they want to add an electron. What family are they in?
carides
Alkalides
noble gases
Halides
8
Which are two properties of most non-metals?
high ionization energy and poor electrical conductivity
high ionization energy and good electrical conductivity
low ionization energy and good electrical conductivity
low ionization energy and poor electrical conductivity
9
Which of the following group 2 atoms has the lowest electro-negativity?
Ba
Sr
Mg
Ca
10
Atoms of metallic elements tend to:
gain electrons and form positive ions
lose electrons and form negative ions
gain electrons and form negative ions
lose electrons and form positive ions
11
Which group 17 atom has the greatest ionization energy?
Br
Cl
I
F
12
Which of the following period 3 elements has the smallest atomic radius (size)?
Mg
Al
P
Si
13
All of the elements in Group 16 have the same number of
neutrons
energy levels
protons
valence electrons
14
In Period 2, as the elements are considered from left to right, there is a decrease in
atomic radius
atomic mass
atomic number
ionization energy
15
The pair of elements with the most similar chemical properties are:
Mg and S
Mg and Ca
Ca and Br
S and Ar
16
More than two-thirds of the elements in the Periodic Table are
nonmetals
metalloids
metals
noble gases
17
Which of the following periods contains the greatest number of metallic elements?
3
2
1
4
18
Li, Na and K are so reactive they must be stored in mineral oil. What family are they in?
Alkali metal
earth metals
metalloids
non metal
