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1 matter
- 9. 1. Everything that we see, feel, or even those we cannot see, or feel is considered matter.
- 10. 2. Matter has mass.
- 11. 3. Everything is matter.
- 12. 4. Matter is everywhere.
- 13. 5. Matter is anything that takes up space and can be weighed.
- 14. Block Diagram atoms chemical compounds elements extensive gas heterogeneous homogeneous intensive ions liquid mixtures molecules physical pure substance solid
- 15. What is Matter? How will you prove to someone that a “thing” is a matter?
- 16. What is Matter? Matter is anything that occupies space and has mass.
- 17. Classifications of Matter • According to origin • According to the state • According to the composition
- 18. According to Origin •Organic materials which are commonly derived from living things, and contain carbon •Inorganic materials come from non-living things and do not contain carbon.
- 23. Elements • composed of single kind of particles • exhibit unique physical and chemical properties • cannot be broken down into simpler substances • Elements as major components of molecules found in humans • Elements that are nutritionally important required in amount greater than 100 mg/day • Trace elements
- 24. Elements • Metals • Non Metals
- 25. Compounds •Acids • Sour taste • React with active metals to produce hydrogen • Gives a color change to a blue litmus paper to red • Neutralizes bases • HCL, H3PO4, H2SO4
- 26. Compounds • Bases • Bitter taste • Turns red litmus paper to blue • Neutralizes acids • NaOH, KOH, Mg(OH)2 • Salt • A compound of metal with a single nonmetal other than oxygen • AgCl, FeCl3 • A compound composed of metal with more than one nonmetal • CuSO4, Na2CO3
- 27. Compounds • chemical combinations of various kinds of elements • have fixed or uniform composition • Unique properties of their own • broken down into simpler substances only by chemical means. • Examples: Sucrose, sodium chloride, hydrochloric acid
- 28. Mixtures • are physical combination of two or more substances • composition varies and does not exhibit unique properties • components retain their original properties • no definite composition or proportion • can be separated by each other by simple mechanical means • could be a homogeneous or heterogeneous mixtures
- 29. Homogeneous Mixtures •are also called solutions •Exist in one phase only •components are very difficult to distinguish from each other •Examples: sugar dissolved in water, sea water, rubbing alcohol, brass
- 30. Heterogeneous Mixtures •components are easy to distinguish •Exist in two or more phases •Examples: sand and gravel, gasoline and water, cornstarch and water
- 31. Why matter matters? Cite concrete examples.
- 32. 3 things you have learned 2 things you found interesting 1 question you still have
Editor's Notes
- buildings, the bridges, the atomic particles Even our DNA, the air, the molecules inside our bodies, everything is matter.
- So do you agree that matter has volume and mass.
- What makes up matter? What are atoms/molecules/ions? States of matter: how would the atoms/molecules arranged in solid/liquid/gas? Do you thinks their molecules move?
- Can you give examples of organic materials/inorganic materials Are all carbon compounds organic? Diamond, graphite, carbon dioxide, ammonium cyanate and sodium carbonate Mineral and allotropes
- Ductile- drawn into wire Malleable- hammered into thin sheets Luster- reflect light Good conductor of heat Good conductor of electricity High density High melting point BRITTLE DULL IN COLOR POOR CONDUCTOR LOW MP L D
- Hydrochloric acid, Phosphoric acid, sulfuric acid
- Sodium hydroxide, Potassium hydroxide, Magnesium hydroxide Silver chloride, ferric chloride Copper sulfate, sodium carbonate
- 3 things you have learned 2 things you found interesting 1 question you still have