Download - Sorting Elements, Compounds, and Mixtures
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Sorting Elements, Compounds, and Mixtures
How can we tell the difference?
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Make an organizer!• Label your paper at the top: Organizer: Sorting ECM• Make four columns like this: Labels Elements Compounds Mixtures
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What to do:
• In the first column write a label for each set of facts.
• Then write the given facts in the correct columns.
• Get ready for the first one!
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Label: Notation?
• Symbols• Formulas• Lists
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Label: Notation?
• Symbols E• Formulas C• Lists M
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Label: Composition
• A variety of different molecules or elements• The same kind of atoms• The same kind of molecules
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Composition:
• A variety of different molecules or elements M• The same kind of atoms E• The same kind of molecules C
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Composition?
• Fixed proportions/ratios• Variable amounts• NA
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Composition?
• Fixed proportions/ratios C• Variable amounts M• NA E
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Pure or not?
• Pure• Not pure
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Pure or not?
• Pure E & C• Not pure M
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How combined?
• Chemically combined (bonded)• NA• Physically combined
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How combined?
• Chemically combined (bonded) C• NA E• Physically combined M
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Properties
• Components keep their identities when joined• Components lose their identities when joined• NA
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Properties
• Components don’t lose their identity when joined M
• Components do lose their identity when joined C
• NA E
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How are they broken down?
• Easily separated: Sorting, distillation, filtering, evaporation, centrifuge
• Cannot be broken down
• Difficult to break down: Requires lots of energy such as adding heat or electricity
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How are they broken down?
• Easily separated: Sorting, distillation, filtering, evaporation, centrifuge M
• Cannot be broken down E
• Difficult to break down: Requires lots of energy such as adding heat or electricity C
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Examples
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Examples
compound
element
mixture
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More examples
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More examples