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Chemistry Chap. 1
Stack #62145
Question | Answer |
---|---|
matter | your stuff; atoms |
mass | amount of matter (kg) |
6 Branches of Chemistry | inorganic, organic, analytical, theoretical, physical, biochemical |
organic | contains carbon |
inorganic | doesn't contain carbon |
analytical | CSI (Crime Scene Investigation) |
physical | study of energy chances |
Biochemical | chemistry of biological processes |
theoretical | research gained by knowledge |
Basic Research | gain knowledge |
Applied Research | develope new "chemicals" |
Technology Research | using chemistry to help society |
Atom | smallest unit of matter that retains the properties of water |
Elements | plural for atom |
Compound | chemical combination of atoms |
mixture | physical combination of atoms or compounds |
extensive | denpends on the amount of matter present; volume, mass |
intensive | doesn't depend on the amount of matter ; boiling point |
substance | are pure material; NoCl, H2O, Fe, Au |
homegenous (mixture) | even thoughout (Kool aid) |
heteregeneous (Mixtures) | uneven (chocolate chip cookies) |
elements (substance) | periodic table |
compound (substance) | NoCl+H2O |