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Chapter 2 - Section 2 - Properties of Matter

Terms in this set (12)

Physical Properties
Characteristics that can be observed or measured without changing the identity of the substance, like color, volume, texture, state, melting point, and boiling point. Physical properties remain the same regardless of mass or volume.
state of matter
the physical form of a substance, like solid, liquid, or gas.
melting point
The temperature at which a substance changes from a solid to a liquid.
boiling point
The temperature at which a liquid changes to a gas.
Examples of Physical Properties
Color, volume, texture, state, melting point, boiling point, density, strength, hardness, magnetism, ability to conduct heat or electricity.
durable
able to withstand wear or damage.
flexible
capable of bending easily without breaking.
density
the ratio of the mass of a substance to the volume of the substance, usually measured in grams per cubic centimeter or g/cm3. D=m/v
chemical properties
describe how a substance changes into a new substance, either by combining with other elements or by breaking apart into new substances.
Examples of chemical properties
flammability and reactivity.
flammability
the ability to burn.
reactivity
the capacity of a substance to combine chemically with another substance, such as oxygen, water, etc.
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