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Periodic Table Flashcards | StudBud
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Periodic Table
Periodic Table
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grade 8
Flashcards
45 cards
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Practice quiz
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Questions
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Answers
1
Which group of elements are ductile, malleable, and good conductors?
metals
metalloids
lanthanides
nonmetals
2
How many energy levels are there for the element B?
4
1
3
2
3
Which of the following is NOT a property of most metals?
ductile
liquid at room temperature
malleable
good conductor of heat and electricity
4
Which group is known as halogens?
Group 2
Group 17
Group 18
Group 1
5
Valence electrons are:
electrons found in the outermost energy level
electrons found in the nucleus of an atom
electrons found in outerspace
electrons found in the innermost energy level
6
As what can you classify the element argon?
metal
nonmetal
metalloid
7
Which element would be classified as a metalloid?
Ne
In
Mg
Ge
8
Where are the nonmetals located on the periodic table?
along the zigzag line
to the right of the zigzag line
to the left of the zigzag line
9
Which group is known as alkali metals?
Group 1
Group 17
Group 2
Group 18
10
How many electrons are there in the outermost energy level for K?
2
1
3
4
11
Which element would be classified as an alkali metal?
K
S
Po
Sr
12
Which element would be classified as a noble gas?
Kr
Po
Sr
S
13
Which of these elements has the smallest atomic number?
B
Kr
U
Pb
14
How are the noble gases different from the other elements?
their outer energy level is full
# electrons < # protons
# electrons > # protons
# electrons = # protons
15
How many valence electrons does bromine have?
17
5
7
4
16
Which group is known as noble gases?
Group 17
Group 1
Group 2
Group 18
17
How many electrons are there in the outermost energy level for B?
3
1
2
4
18
Which element would be classified as a metalloid?
Kr
Po
S
Sr
19
Which pair of elements is in the same period?
B and In
In and B
S and Pb
Sr and Kr
20
Which pair of elements has the same number of valence electrons?
S and Pb
Sr and Kr
B and In
In and Kr
21
As you move from left to right across a period, the metals tend to increase in reactivity.
false
true
22
As what can you classify the element aluminum?
metalloid
nonmetal
metal
23
Why are the elements in the last group so stable?
they don't need to gain or lose any electrons
they only need to gain one electron
they only need to lose one electron
their outer energy level is half empty
24
A ductile material is one that can be hammered into thin sheets.
true
false
25
Which element does not belong to any group?
He
H
Uuu
U
26
Where are the metals located on the periodic table?
to the right of the zigzag line
along the zigzag line
to the left of the zigzag line
27
As what can you classify the element hydrogen?
metal
nonmetal
metalloid
28
Which group of elements are dull, brittle, and poor conductors?
lanthanides
nonmetals
metalloids
metals
29
As what can you classify the element lithium?
nonmetal
metalloid
metal
30
Which group is known as alkaline earth metals?
Group 18
Group 1
Group 2
Group 17
31
How are the noble gases different from the other elements?
# electrons = # protons
their outer energy level is full
# electrons > # protons
# electrons < # protons
32
How many groups are on the periodic table?
7
VII
XVIII
18
33
What do Roman Numeral groups tell you about the structure of an atom?
the number of electrons in the lowest energy level
the number of valence electrons
the number of energy levels
the number of electrons in the innermost energy level
34
How many energy levels are there for the element K?
1
3
2
4
35
Which of these elements has the smallest atomic number?
Ca
Cl
Cs
Cu
36
How many valence electrons does calcium have?
4
2
1
7
37
Most of the elements on the periodic table are classified as:
nonmetals
metals
metalloids
semimetals
38
Where are the semimetals located on the periodic table?
to the right of the zigzag line
to the left of the zigzag line
along the zigzag line
39
Which of these elements has the largest atomic number?
Kr
Pb
U
B
40
What do periods tell you about the structure of an atom?
the number of valence electrons
the number of electrons in the lowest energy level
the number of energy levels
the number of electrons in the outermost energy level
41
As what can you classify the element silicon?
metalloid
metal
nonmetal
42
How many periods are on the periodic table?
VIII
18
VII
7
43
Which pair of elements is in the same group?
S and Pb
Sr and Kr
B and In
In and Sr
44
Which group of elements are very reactive & soft and shiny & never found uncombined in nature?
halogens
alkali metals
transition metals
metalloids
45
Which element would be classified as a metal?
Te
Cs
S
Xe
