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Changes in matter

TEST REVIEW

TermDefinition
Chemical change is a change in which no new substances are formed.
Physical change is a change in which no new substances are formed.
Chemical property characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed
physical property is any property that is measurable, whose value describes a state of a physical system.
Synthesis combination or composition, in particular.
Decomposition the state or process of rotting; decay
Single replacement is a type of oxidation-reduction chemical reaction when an element or ion moves out of one compound and into another
Double replacement reaction a chemical reaction between two compounds where the positive ion of one compound is exchanged with the positive ion of another compound.
Atom The atom is a basic unit of matter that consists of a dense central nucleus surrounded by a cloud of negatively charged electrons
Molecule a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
Conservation of mass stating that mass cannot be created or destroyed.
Created by: Terellb3