Vocabulary
Classification of Matter
Density Calculations
Physical vs. Chemical Properties
Chemical vs. Physical Changes
100
Anything that has mass and volume
What is matter?
100
What is a pure substance that is made up of 2 or more different atoms?
What is a compound?
100
What is the formula used to find density?
d= m/ v
100
The characteristics of matter that can only be observed and measured by performing a chemical reaction or chemical change.
What is a chemical property?
100
Ripping paper.
What is a physical change?
200
Something that can be observed or measured without changing the identity of the matter
What is a physical property?
200
What type of matter is an alloy?
What is a homogenous mixture?
200
What is the density of on object with a mass of 120 g and a volume of 7mL? Round your answer to the nearest hundredth.
What is 17.14 g/mL?
200
Ability of a substance to ignite is called ____________ and is a ____________ property.
What are flammability and chemical?
200
Dry ice sublimating.
What is a physical change?
300
Substance that is being dissolved in another substance to form a solution.
What is a solute?
300
A solution is made up of 2 liquids that are dissolved evenly into one another. The liquids and the amounts of each are as follows:
*30 mL of acetone and 15 mL of isopropyl alcohol
Which liquid is the solute?
What is isopropyl alcohol?
300
Rank the substances from greatest buoyancy to the least buoyant.
What are honey, corn syrup, dish soap, water, and vegetable oil?
300
Ability of a substance to reflect light is called _____________ and is a ____________ property
What are luster and physical?
300
Dying your hair.
What is a chemical change?
400
The separation technique that is used to separate suspension?
What is filtration?
400
Fog, blood, and milk are all examples of what type of mixture? Is this mixture heterogenous or homogenous?
What is a colloid and what it heterogenous?
400
We have an object with a density of 620 g/cm3 and a volume of 75cm3 . What is the mass of this object?
What is 46,500 g?
400
Ability of a substance to react with another substance is called ____________ and is a ____________ property.
What are reactivity and chemical?
400
Melting a candle is a ___________ change, while burning a candle is a __________ change.
What are physical and chemical?
500
Mass of a substance that occupies a unit volume.
What is density?
500
What are 4 examples of diatomic elements and 1 example of a polyatomic element?
What are the diatomic elements H2, O2, N2, Cl2, F2, Br2, I2 (need to name 4 of the 7) and what is a polyatomic element O3?
500
A block of wood has a mass of 180 g. It is 10.0 cm long, 6.0 cm wide, and 4.0 cm thick. What is its volume and density?
What are Volume = 240 cm3 , and Density= 0.75 g/cm3
500
Ability of a substance to be flattened into thin sheets is called ___________ and is a __________ property.
What are malleability and physical?
500
When aqueous solutions of lead nitrate and potassium iodide mix, a dense yellow substance forms. This is a ___________ change and the yellow substance is called a ____________.
What are chemical and precipitate?