hua
Uploaded by
7 SLIDES
266 VUES
70LIKES

Elements

DESCRIPTION

Elements. sodium chlorine bromine lead gold hydrogen oxygen. Compounds. sodium chloride water sucrose (sugar) sodium bicarbonate (baking soda) acetic acid (vinegar) caffeine. Homogeneous Mixtures. black coffee iced tea Kool-Aid salt water alloys: bronze brass steel.

1 / 7

Télécharger la présentation

Elements

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. Elements • sodium • chlorine • bromine • lead • gold • hydrogen • oxygen

  2. Compounds • sodium chloride • water • sucrose (sugar) • sodium bicarbonate (baking soda) • acetic acid (vinegar) • caffeine

  3. Homogeneous Mixtures • black coffee • iced tea • Kool-Aid • salt water • alloys: • bronze • brass • steel

  4. Heterogeneous Mixtures • oil and vinegar salad dressing • trail mix • contents of your backpack • sample of pellets from the lab • bucket of sand and water

  5. PHYSICAL PROPERTIES CHANGES melting/freezing vaporizing/condensing expanding contract crush break dissolving • density • state (solid, liquid, gas) • boiling point • melting point • sizes (mass, volume, length) • color • solubility • atomic weight

  6. CHEMICAL PROPERTIES CHANGES Burning Cooking Rusting Making salts from acid and base • Flammability • Reactivity with chemicals • with acid? • with water? • with metals? • with oxygen? • Types of bonds formed

  7. Signs of a Chemical Change • light • heat • color change • gas produced (bubbling) • odor • sound

More Related