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Match it!
Match it! Select the correct answer from the pull down...Good luck!
Air is comprised of about 78% Nitrogen, 21% Oxygen, and less than 1% other gases. In a sample of clean air, what would the solvent be?
the mass number
the substance will dissolve in water.
Nitrogen
Mixtures are not chemically combined like pure substances
proton and neutron
greater than
below the line
Strong base
In the isotope named Lithium-7, the 7 represents which piece of information?
the mass number
the substance will dissolve in water.
Nitrogen
Mixtures are not chemically combined like pure substances
proton and neutron
greater than
below the line
Strong base
A substance that turns litmus paper blue will have a pH _____________ 7.
the mass number
the substance will dissolve in water.
Nitrogen
Mixtures are not chemically combined like pure substances
proton and neutron
greater than
below the line
Strong base
If a substance is SOLUBLE in water...
the mass number
the substance will dissolve in water.
Nitrogen
Mixtures are not chemically combined like pure substances
proton and neutron
greater than
below the line
Strong base
Unsaturated solutions are identified on a solubility curve by determining if the solution's point is...
the mass number
the substance will dissolve in water.
Nitrogen
Mixtures are not chemically combined like pure substances
proton and neutron
greater than
below the line
Strong base
Which two subatomic particles do you add together in order to determine the mass of the atom?
the mass number
the substance will dissolve in water.
Nitrogen
Mixtures are not chemically combined like pure substances
proton and neutron
greater than
below the line
Strong base
Highly concentrated NaOH has a pH of 13. How could it be classified?
the mass number
the substance will dissolve in water.
Nitrogen
Mixtures are not chemically combined like pure substances
proton and neutron
greater than
below the line
Strong base
What is the difference between a pure substance and a mixture?
the mass number
the substance will dissolve in water.
Nitrogen
Mixtures are not chemically combined like pure substances
proton and neutron
greater than
below the line
Strong base
Check it!