Chemical Properties Flashcards
(13 cards)
The property of matter that describes its ability to change into new matter with different properties is known as
Chemical property
The chemical property that describes the ability of two or more substances to combine to form new substances is called
Reactivity
The ability of a substance to burn is a chemical property known as the
Flammablility
An iron nail is reactive with
Oxygen in air
True or False: A characteristic Properties ma be either physical or chemical properties
TRUE
A substance always has _______ properties, even though the are difficult to observe
Chemial
Scientists use __________ Properties to help them identify and classify matter
Characteristics
Chemical changes are the processes by which substances
Change into new substances
Would melting a popsicle be an example of a chemical change?
NO
What are some signs or clues that show that a change you are observing is a chemical change
- color
- odor
What is the most important question to ask to determine whether a change is physical or chemical
Did the composition change?
What is the name of the process by which water is broken down into hydrogen and oxygen using an electric current?
Electrolysis
During________, the composition of a substance does not change
Physical