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baam
Lose 5 points!
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gift
Win 5 points!
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rocket
Go to first place!
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lifesaver
Give 20 points!
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15
×
Which of the following is an example of an ionic compound?
O3
Na
NaCl
CO2
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15
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Which of the following is true of intermolecular forces?
The force that bonds hydrogen with oxygen.
The strongest force in chemistry.
The forces that exist between molecules.
The forces that exist within a molecule.
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15
×
How many elements of unsaturation does a molecule with this chemical formula have? C5H8
5
3
1
2
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15
×
A cation has a _____ charge.
Neutral
Positive
Negative
New
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15
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What do you look at in the periodic table to determine the number of valence electrons possessed by an element?
The element's group number.
The element's row number.
The element's atomic mass.
The element's atomic number.
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15
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How do you represent a triple bond in a structural formula?
- or .
::: or three horizontal lines
:::: or four horizontal lines
= or ::
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seesaw
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rocket
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shark
Other team loses 20 points!
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baam
Lose 5 points!
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15
×
What causes a dipole?
When the molecules are repelled from each other.
When the protons are concentrated more at one end
When the electrons are concentrated more 1 end of a molecule
When the molecules are attracted to each other.
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15
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When naming a binary covalent compound, what determines the prefix for an element in the compound?
The total number of atoms in the compound.
The number of valence electrons in the element.
The number of atoms of that element in the compound.
The number of different elements in the compound.
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15
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How is an organic compound described?
Any compound that contains carbon plus another element.
Any compound that is involved in a living thing.
Any compound that contains carbon.
Any compound that is organic.
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banana
Go to last place!
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seesaw
Swap points!
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rocket
Go to first place!
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baam
Lose 25 points!
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15
×
In hybridization, how do you know how many hybrid orbitals are formed?
It is the same as the number of valence electrons.
It is the same as the number of orbitals that have combined.
It is the same as the total number of atoms in the molecule.
It is the same as the total number of electrons.
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15
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If an ionic compound contains a transition metal, Roman numerals are used to determine the _____.
version of the ion
order of appearance
charge on the ion
amount of chloride
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15
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Why must we consider a molecule's shape when determining its polarity?
The shape reveals more about distribution of charge.
Non polar molecules have dipoles that do not cancel out
A molecule may have different shapes depending its polarity
Symmetrical molecules are always non polar.
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15
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Which of the following best describes the term dipole moment?
Having more than four dipoles
A non polar molecule
When several atoms in a compound are electronegative
When electrons are unevenly distributed
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