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Matter Classification

Matter Classification. Microscopic Scale. Atom – building block of all matter Molecule – two or more atoms chemically bonded together. Microscopic Scale. Atom The smallest unit of an element Ex) Na, Mg, Fe, Ar , Zn, Cu. Molecule o f element Same element chemically bonded

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Matter Classification

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  1. Matter Classification

  2. Microscopic Scale • Atom – building block of all matter • Molecule – two or more atoms chemically bonded together

  3. Microscopic Scale Atom The smallest unit of an element Ex) Na, Mg, Fe, Ar, Zn, Cu Molecule of element Same element chemically bonded Ex) H2, O2, N2, F2, Cl2, Br2, I2, S8 Molecule of compound Different elements chemically bonded Ex) H2O, CO2, HCl, CH2O

  4. Matter YES NO Can it be separated by physical means? Mixtures Pure Substances Can it be separated through chemical reactions? Can it be separated easily? YES YES NO NO Homogeneous Mixture Heterogeneous Mixture Element Compound

  5. Matter – material that has mass and takes up space Matter YES NO Can it be separated by physical means? Mixtures Pure Substances Can it be separated through chemical reactions? Can it be separated easily? YES YES NO NO Homogeneous Mixture Heterogeneous Mixture Element Compound

  6. Matter Pure Substances– can’t be separated by physical means (heating, filtering, sorting, etc.) YES NO Can it be separated by physical means? Mixtures Pure Substances Can it be separated through chemical reactions? Can it be separated easily? YES YES NO NO Homogeneous Mixture Heterogeneous Mixture Element Compound

  7. Matter YES NO Can it be separated by physical means? Mixtures – contains more than one substance Mixtures Pure Substances Can it be separated through chemical reactions? Can it be separated easily? YES YES NO NO Homogeneous Mixture Heterogeneous Mixture Element Compound

  8. Matter YES NO Can it be separated by physical means? Mixtures Pure Substances Can it be separated through chemical reactions? Can it be separated easily? YES YES Element – unique type of atom; on the Periodic Table NO NO Homogeneous Mixture Heterogeneous Mixture Element Compound

  9. Matter YES NO Can it be separated by physical means? Mixtures Pure Substances Can it be separated through chemical reactions? Can it be separated easily? Compound – contains more than one element; atoms are chemically bonded together YES YES NO NO Homogeneous Mixture Heterogeneous Mixture Element Compound

  10. Matter YES NO Can it be separated by physical means? Mixtures Pure Substances Can it be separated through chemical reactions? Can it be separated easily? Homogeneous Mixture – is the same throughout; each sample is identical YES YES NO NO Homogeneous Mixture Heterogeneous Mixture Element Compound

  11. Matter YES NO Can it be separated by physical means? Mixtures Pure Substances Can it be separated through chemical reactions? Can it be separated easily? Heterogeneous Mixture – is not the same throughout; samples are different YES YES NO NO Homogeneous Mixture Heterogeneous Mixture Element Compound

  12. Practice Classifying • Put the following objects in the appropriate category: Element Compound Homogeneous Heterogeneous Mixture Mixture Oreos Root Beer Baking Soda (NaHCO3) Lithium (Li) Hydrogen (H2) Raisin Bran Hydrochloric Acid (HCl) Detergent Gold (Au) Formaldehyde (CH2O) Gatorade Your Body

  13. Practice Classifying-Answers • Put the following objects in the appropriate category: Element Compound Homogeneous Heterogeneous Mixture Mixture Lithium (Li) Baking Soda (NaHCO3) Root Beer Oreos Hydrogen (H2) Detergent Raisin Bran Hydrochloric Acid (HCl) Gold (Au) Gatorade Your Body Formaldehyde (CH2O)

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