Physical and Chemical Changes Flashcards
Element
Substance with only one kind of element
Compound
2 or more type of atoms that are chemically bonded together
Substance
A single type of matter
Can an element be broken into simpler substances?
No
Aqueous solution
Substances dissolving in water
Sediment
When a substance is mixed with water and settles at the bottom
Solution
A mixture in which substances evenly disperse
Physical property
Properties that can be measured of Observed without changing the measure of a substance
Chemical property
Properties that indicate how substance reacts with another substance
Physical changes
Changes in appearance that don’t change the chemical composition
Chemical changes
One of more substances react to form a new substance with different properties
Physical change examples
Cutting, breaking, melting point, color, odor
Chemical change examples
Rusting, burning, corrosion,
Pure substance
Matter that has constant chemically composition and properties
Compound
2 or more substances combined chemically