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6
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water that has certain dissolved ions in it - predominantly calcium and magnesium ions
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7
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a molecule that has slight positive and negative charges due to an imbalance in the way electrons are shared
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8
|
the use of electricity to break a mmolecule down into smaller units
|
9
|
the phenomenon that occurs when idividual molecules are so strongly attracted to each other that they tend to stay together, even when exposed to tension
|
10
|
carbon monoxide (CO) is a __________ gas associated with burning things under conditions of low oxygen
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12
|
a category of substances that have electrical charges in them. Table salt is in this category
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15
|
octane is an important component of __________
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|
1
|
Latin name for iron
|
2
|
H2O is the chemical formula for what?
|
3
|
how many atoms are in one molecule of carbon dioxide (CO2)?
|
4
|
how many atoms are in one molecule of carbon monoxide (CO)?
|
5
|
carbon dioxide (CO2) is one of the gases that we ______ when we breathe
|
6
|
what keeps water molecules close together, keeping water a liquid at room temperature?
|
11
|
a substance that is dissolved in a solvent
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13
|
a substance that does not dissolve in water is most likely _____________
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14
|
a liquid substance capable of dissolving other substances
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