Matter
Does it have a definite/uniform composition?
Is it pure?
Does it have a definite/uniform composition?
Is it pure?
If yes, it's a Substance which is only 1 kind of matter (i.e. iron, sodium (NaCl), ethyl alcohol) and has 2 classifications:
Element - it is composed of one element
Compound - composed of 2 or more elements
If no, it's a Mixture which has more than one kind of matter and also has 2 classifications:
Homogenous - uniform in composition & properties through out a given sample but variable from 1 sample to another
(i.e. sea water, saliva, sweat, urine)
Heterogenous - not uniform & with distinct phases
(i.e. potato chips, cereal, salted nuts, spaghetti, mushroom soup)
Element - it is composed of one element
Compound - composed of 2 or more elements
If no, it's a Mixture which has more than one kind of matter and also has 2 classifications:
Homogenous - uniform in composition & properties through out a given sample but variable from 1 sample to another
(i.e. sea water, saliva, sweat, urine)
Heterogenous - not uniform & with distinct phases
(i.e. potato chips, cereal, salted nuts, spaghetti, mushroom soup)
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