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MATTER, Definition, Ionic, classified to two, exp. melting point and…
MATTER
Mixture
divided to two category
Homogeneous mixture
mixture that no visible boundaries among the component
Exp. Gasoline, Cement , Vinegar
Heterogeneous mixture
mixture that have one or more visible boundaries among its components
Exp. Blood , Smoke
Contain two or more pure subtance
Combined physically
Retain the chemical identity
Pure Subtance
two category
Element
atom exp. Cl , Cu ,Ca
molecules,exp. H₂ , Cl₂
only one type of atom
Compound
contain two type of element
molecules
Exp. Ammonia, Carbon dioxide,Methane
Exp. KI, NaF, MgO
have a fixed composition
made by same kind of atom and moleclues
have a unique set of propertie
anything has a mass and occupies space
Definition
Ionic
classified to two
exp. melting point and boiling point