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Chemical Bonding Review Flashcards | StudBud
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Chemical Bonding Review
Chemical Bonding Review
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A #science quiz to review #chemistry for #grade8.
Flashcards
41 cards
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Practice quiz
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Questions
41
Answers
1
Which group tends to make -3 ions?
Group 3
Group 7
Group 8
Group 5
2
"8 is great" refers to...
noble gases
8th graders learning chemistry
the time school starts
the octet rule
3
A metal bonding with a non-metal is what kind of bond?
Unstable
Ionic
Covalent
Metallic
4
How many electrons does the line represent?
4
1
3
2
5
Ionic bonds are when atoms SHARE electrons.
True
False
6
Which group of elements tends to make +2 ions?
Group 6
Group 4
Group 7
Group 2
7
A non-metal bonding with a non-metal does what with their electrons?
Takes
Repels
Shares
Gives
8
How many unpaired electrons does N have in this diagram?
3
2
1
4
9
Which element has 3 valence electrons and 4 energy levels?
Silicon (Si)
Calcium (Ca)
Gallium (Ga)
Oxygen (O)
10
Which groups form anions?
Group 4
Group 8
Groups 1-4
Groups 4-7
11
A metal element does what with electrons?
Gives or Takes
Gives
Doesn't Interact With Other Elements
Takes
12
Atoms with what size atomic radius are more electronegative?
Medium
Doesn't Matter
Larger
Smaller
13
Different isotopes affect what kinds of ions elements tend to make.
True
False
14
Which groups form cations?
Groups 4-8
Noble Gases
Groups 3-5
Groups 1-4
15
How many electrons does this element have?
208
126
83
209
16
Which group can either take or give electrons, making positive or negative ions?
Group 1
Group 8
Group 4
Group 3
17
This is the Lewis Dot Structure for which kind of bond?
Ionic
Unstable
Covalent
Metallic
18
Which group tends to not make ions at all?
Group 1
Group 8
Group 4
Group 6
19
As you add more protons to an atom, the atomic radius....
stays the same
gets larger
gets smaller
20
As you add more energy levels to an atom the atomic radius...
gets smaller
gets larger
stays the same
21
If two elements form an ionic bond they always form...
a molecule that is also a compound.
a molecule but not a compound.
a compound but not a molecule.
a metallic bond.
22
Electricity is best conducted within molecules with what bond type?
Metallic
Covalent
Unstable
Ionic
23
How many Li atoms would it take to make a balanced compound with O? What kind of bond is it?
2, covalent
2, ionic
4, ionic
4, covalent
24
What element is in period 3, group 5A?
Phosphorus (P)
Oxygen (O)
Yttrium (Y)
Vanadium (V)
25
This element usually has how many neutrons?
12
0
18
6
26
A compound is....
when 2 or more atoms of the same element bond.
when 2 or more atoms form a covalent bond.
when 2 or more atoms of different elements bond.
when two or more atoms form an ionic bond.
27
The Octet Rule refers to...
We haven't discovered the 8th energy level yet.
There are 8 main group elements.
8th graders are the best.
Elements want 8 valence electrons (with a few exceptions).
28
A bond between two elements that form cations is called what kind of bond?
Ionic
Metallic
Unstable
Covalent
29
Which element has 2 energy levels and 6 valence electrons?
Fluorine (F)
Barium (Ba)
Chromium (Cr)
Oxygen (O)
30
The units for atomic mass are:
amu
lbs
m/s
g
31
Does this element have an isotope?
Yes, because the atomic mass has a decimal point.
No, because it has more neutrons than protons.
Yes, because it has more neutrons than protons.
No, because the atomic number has no decimal point.
32
Two anions form what kind of bond?
Unstable
Metallic
Covalent
Ionic
33
Which elements have 8 valence electrons?
Noble Gases
Non-metals
Metalloids
Metals
34
Which molecules will conduct electricity the best?
An anion and a cation bonded.
Noble gases.
Two cations bonded.
Two anions bonded.
35
Adding more energy levels to an atom makes an element more electronegative.
False
True
36
The atomic number of an element is equal to the number of .....?
Protons
Neutrons
Isotopes
Electrons
37
What element is in group 2, period 6?
Chromium (Cr)
Barium (Ba)
Oxygen (O)
Arsenic (As)
38
This shows the Lewis Dot Structure for what kind of bond?
Covalent
Metallic
Unstable
Ionic
39
Which molecules will conduct electricity the worst?
A cation and anion bonding.
Two anions bonding.
Two cations bonding.
Noble gases.
40
What type of bond does this diagram show?
Unstable
Metallic
Covalent
Ionic
41
What is the atomic mass of this element?
39
20
58
19
