Properties of Matter (3.1) Changes in Matter Mixture of Matter Elements and Compounds
100
What is a solid?
State of matter that has it's own definite shape and volume.
100
What is a physical change?
Cutting a sheet of paper and breaking a crystal is an example of this
100
What is filtration?
Technique that uses a porous barrier to separate a solid from a liquid
100
What is hydrogen and oxygen?
Water is composed of these two elements
200
What is a liquid
Form of matter that flows, has constant volume, and takes the shape of it's container
200
What is 0 degrees Celcius?
the temperature at which water is in it's solid state
200
What is sublimation?
Process during which a solid changes to vapor without melting
200
What is Bromine?
this element is number 35 on the periodic table
300
What is a gas?
Form of matter that conforms to the shape of it's container
300
What is phase change?
The transition of matter from one state to another.
300
What is crystallization?
Making rock candy from a sugar solution is an example of this
300
What is the periodic table?
Dmitri Mendeleev was the first person to organize the first version of this chart organizing all of the elements
400
What is a physical property?
Shape, size, color, and weight are all characteristics of this
400
What is the law of conservation of mass?
states that mass is neither created nor destroyed during a chemical reaction
400
What
In this separation technique, a mixture is heated until the substance with the lowest boiling point boils to a vapor that can be condensed into a liquid and collected
400
What is a compound?
Sodium chloride is an example of two or more elements combined chemically called this
500
What is 100 degrees Celsius?
the temperature in which water turns into a gas
500
What is a chemical change?
Rusting, exploding, decomposing, oxidizing, and burning are examples of this process
500
What is liquid-liquid?
Fresh water from rain mixing with seawater is an example of what solution system
500
What is the law of definite proportion?
states that no matter how large or small the sample, a compound is always composed of the same elements in the same proportions by mass






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