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Periodic Table Review Flashcards | StudBud
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Periodic Table Review
Periodic Table Review
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Questions
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Answers
1
Malleability and ductility are characteristics of what classification of element?
Metals
Nonmetals
All elements
Metalloids
2
Atoms of the most reactive elements tend to have how many valence electrons?
8
0
1 or 7
4 or 5
3
What is the trend of electronegativity within a group?
Does not change within a group
Increases bottom to top
Decreases from bottom to top
Increases from top to bottom
4
Which one of the following elements has the highest ionization energy?
K
Cs
Li
Fr
5
What is region B?
All metals
Nonmetals
Metalloids
Mostly metals
6
Identify the segments labeled A and B.
A is group, B is period.
Both A and B are periods.
Both A and B are groups.
A is period, B is group.
7
According to Bohr’s theory, an electron’s path around the nucleus defines its:
Charge
Energy level
Atomic Number
Speed
8
How many valence electrons does magnesium have?
24
2
12
1
9
The chemical and physical properties of Na are most similar to which other element?
K
Be
He
C
10
Who first arranged the periodic table by increasing atomic mass?
Ernest Rutherford
Albert Einstein
Henry Moseley
Dmitri Mendeleev
11
Nonmetals tend to be:
Poor conductors of electricity
Malleable
Ductile
Good conductors of heat
12
which of the following elements would be most dangerous to drop in water since it would react the fastest?
H
K
Cs
Li
13
Which 3 groups of the Periodic Table contain the most elements classified as metalloids?
16,17,18
14,15,16
1, 2, 13
2, 13, 14
14
Which one of the following elements has the smallest atomic radius?
H
Li
Fr
He
15
Which is an inner transition metal?
Au
Fe
Ti
U
16
What is region 3?
Transition metals
Noble gases
Halogens
Metalloids
17
Which Chalcogen (oxygen family member) is most likely to react?
F
S
O
Se
18
Which one of the following elements has the lowest electronegativity?
I
Cl
Br
F
19
What is region 2?
Metalloids
Halogens
Alkali metals
Transition metals
20
What neutral element does this Bohr Diagram represent?
Ca
K
Mg
Sr
21
How many electron(s) are in the highest occupied energy level of Lithium?
1
4
2
3
22
What group contains the maximum number of valence electrons, making it the least reactive and most chemically stable?
Alkali metals
Halogens
Noble gases
Transition metals
23
What element is located in period 2 and group 18?
Ne
Cs
Kr
He
24
What is region 1?
Halogens
Alkali Metals
Metalloids
Alkaline Earth Metals
25
What are the elements located in group 18 of the periodic table (also known as group 8A) called?
Halogens
Alkali metals
Alkaline earth metals
Noble gases
26
Which list of elements contains only metals?
K, Na, O
N, K, Ca
K, Ca, Na
O, N, Cl
27
What is region C?
Inner transition metals
Nonmetals
Mostly metals
Metalloids
28
How many electrons will this element gain or lose to fulfill the Octet rule and what will the charge be?
Lose, +2
Lose, -2
Gain -6
Gain, +6
29
Which one of the following elements has the highest electronegativity?
Ne
Cl
Br
F
30
How many valence electrons does phosphorus have and what energy level are they located in?
3 in 2nd level
3 in 3rd level
5 in 3rd level
5 in 2nd level
31
Which one of the following elements has the largest atomic radius?
Cs
Rn
U
Fr
32
What element does the Bohr model represent?
F
Cl
Br
I
33
Put elements in order of increasing reactivity: Be, Ra, Ba, Mg, Ca, Sr
Be<Mg<Ca<Sr<Ba<Ra
Ra<Ba<Sr<Ca<Mg<Be
Ba<Ca<Mg<Be<Ra<Sr
Ra<Mg<Sr<Ca<Be<Ba
34
As you move from LEFT to RIGHT across a period, what happens to the number of valence electrons?
Increase then decrease
Decreases
Increases
Stay the same
35
Two highly reactive elements in period 3 are the metal sodium and the nonmetal __________________.
As
Ar
Cl
F
36
A(n) _________________ is an element that share properties of both metals and nonmetals.
Alkali metal
Ions
Noble gases
Metalloids
37
How many valence electrons are in this Bohr model?
1
8
4
7
38
Which one of the following elements has the lowest ionization energy?
Na
Cs
Li
K
39
Which classification includes the majority of the elements?
Metals
Nonmetals
Metalloids
Liquids
40
Which of these elements is most reactive?
Li
Fr
K
Na
