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Ionic & Metallic Bonding Ch 7 Review Flashcards | StudBud
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Ionic & Metallic Bonding Ch 7 Review
Ionic & Metallic Bonding Ch 7 Review
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ionic bonds, metallic bonds, electron configuration, ions, periodic table
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Answers
1
How is a metallic bond formed?
The attraction between mobile protons
The attraction between neutral atoms
The attraction of ions to mobile electrons
The attraction between the like charges of ions
2
An anion of chlorine or another halogen:
valence electron
halide ion
octet rule
ionic bond
3
What is a sodium ion's charge?
2-
1+
2+
3-
4
When forming a compound, how does lithium obey the octet rule?
it does not obey the octet rule
it keeps its number of electrons constant
it gains electrons
it loses electrons
5
Why are metals good at conducting electricity?
Their crystalline structure can be rearranged easily
They have mobile electrons that allow the current to flow
They have high melting points
They are solid
6
What is the electron configuration of an ion of selenium?
1s22s22p63s23p64s23d104p4
1s22s22p63s23p6
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d104p6
7
What is the formula for potassium dichromate?
KCr2O7
K2Cr2O7
K(Cr2O7)2
K3(Cr2O7)2
8
What is the formula unit for magnesium flouride?
Mg2F2
Mg2F3
MgF2
Mg2F
9
Which of the following is NOT an ionic compound?
NaCl
H2O
FeCr2O7
MgCl2
10
What is the electron configuration of the potassium ion?
1s22s22p63s1
1s22s22p63s23p5
1s22s22p63s23p6
1s22s22p63s23p64s1
11
Name the compound Mn(BrO
3
)
2
manganese (I) bromate
manganese (I) bromite
manganese (III) bromite
manganese (II) bromate
12
Of the following ions, which has a noble-gas electron configuration?
Be2+
Mg+
O2+
Ca+
13
How many valence electrons does an atom of Beryllium have?
5
1
7
2
14
What is the octet rule?
atoms tend to want a noble-gas configuration
atoms have more electrons than protons
atoms want 8 electrons in their principle energy level
atoms often have more protons than electrons
15
How is an element's shorthand noble gas config and its ion's e
-
configuration similar?
The noble gas SH uses the noble gas closest to it
The SH noble gas conf uses the noble gas before it
The ion's configuration is for the noble gas closest to it
They are the same
16
What is the formula unit for calcium sulfite?
CaSO3
Ca2SO3
Ca(SO3)2
CaSO4
17
Which of the following is NOT true regarding ionic compounds?
They conduct electricity when dissolved in H2O or melted
They are composed of non-metals
They are usually solids at room temperature
They have high melting points
