jay10250 jay10250

13-02-2017
Chemistry

contestada

What two categories can pure substances be classified into

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Аноним Аноним

13-02-2017

Pure substances can be categorize into "Elements" and "Compounds"

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sadie30 sadie30

13-02-2017

Elements and compunds
elements are all on the periodic table whereas compunds are made up of those on the periodics table.
Hydrogen is an element
Water (H2O) is a compound

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