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chemistry (compounds, Matter (properties (physical (extensive, intesive),…
chemistry
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forms of matter
Pure substance, having a fixed composition
elements- oygen, nitrogen
compounds, water carbon dioxide
Mixtures , blending of two or more kinds of matter, composition may vary
homogeneous- same proportion- coffee, tea
heterogeneous- pizza, clay and water
basic unit of matter
an atom
if you break down an atom you get protomes newtrons, and elcetrons
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