html5-img
1 / 8

Ch. 9 - Classification of Matter

MATTER. Ch. 9 - Classification of Matter. II. Composition of Matter ( p.246-250) Matter Flowchart Pure Substances Mixtures. MIXTURE. PURE SUBSTANCE. yes. no. yes. no. Is the composition uniform?. Can it be decomposed by chemical means?. A. Matter Flowchart. See lecture handout.

aletta
Download Presentation

Ch. 9 - Classification of Matter

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. MATTER Ch. 9 - Classification of Matter II. Composition of Matter (p.246-250) Matter Flowchart Pure Substances Mixtures

  2. MIXTURE PURE SUBSTANCE yes no yes no Is the composition uniform? Can it be decomposed by chemical means? A. Matter Flowchart See lecture handout. MATTER yes no Can it be separated by physical means? Homogeneous Mixture (solution) Heterogeneous Mixture Compound Element

  3. B. Pure Substances • Element • matter composed of identical atoms • EX: copper

  4. B. Pure Substances • Compound • matter composed of 2 or more elements in a fixed ratio • properties differ from those of individual elements • EX: salt (NaCl)

  5. C. Mixtures • Variable combination of 2 or more pure substances. Use the remaining info to fill in the table on the lecture handout. • Homogeneous Mixture (Solution) • even distribution of components • very small particles • particles never settle • EX: saline solution

  6. C. Mixtures • Heterogeneous Mixture • uneven distribution of components • colloids and suspensions • EX: granite

  7. C. Mixtures • Colloid • medium-sized particles • Tyndall effect - particles scatter light (looks cloudy) • particles never settle • EX: milk

  8. C. Mixtures • Suspension • large particles • particles scatter light • particles will settle (needs to be shaken) • EX: fresh-squeezed lemonade

More Related