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Density
compounds
mixtures and solutions
100
What is density?
what is a measure of the amount of matter in a given volume?
100
what are compounds?
What is a type of matter made of a combination of elements.
100
What is a solution?
What is a mixture in which a substance breaks up into its most basic particles and spread evenly through another substance.
200
What is a physical property of a substance?
what is density?
200
How many atoms are in a nitrogen molecule.
What is two atoms.
200
what is a mixture?
What is two or more substances that are mixed together but can be seperated because they are not chemically combined.
300
what is the formula for density?
what is D=m over v
300
what kind of atoms join together to form graphite?
What is carbon atoms.
300
If you mix iron and carbon what metal would you get?
What is steel.
400
a baseball has a mass of 110 g and a volume of 195 cm3. [use the formula]
What is density of 0.56 g over cm3
400
At what tempature does carbon dioxide become a solid?
What is -78 degrees c
400
Name a substance that will dissolve in water.
What is salt.
500
If you had to equally sized objects , how could you tell if one is more dense?
What is the greater the mass the greater the density.
500
In a formula for a compound, what do the numbers tell you?
What is how many atoms are in that molecule.
500
What is concentrated?
What is having a large amount solute in a solution in comparisonwith the amount of solvent.