1 / 14

Atoms and Elements

Atoms and Elements. Pages E40- E43. Atom. Define: Parts of an atom:. The basic unit of matter. Nucleus - Center Protons - positive Neurons - neutral Electrons - negative. Element. Define: A substance made up of only 1 kind of atom. Periodic table:

pandora-farmer
Download Presentation

Atoms and 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. Atoms and Elements Pages E40- E43

  2. Atom • Define: • Parts of an atom: The basic unit of matter • Nucleus - Center • Protons - positive • Neurons - neutral • Electrons - negative

  3. Element • Define: • A substance made up of only 1 kind of atom. • Periodic table: • A chart that organizes elements by similar properties • in order of increasing atomic number

  4. Periodic Table

  5. Closer look!

  6. Molecules Define: Two or more atoms of the same element linked together

  7. Compounds • Define • a substance made of the atoms of two or more different elements • Examples - Water = H2O or Salt = NaCl

  8. Metals • Elements are classified by their _________________, • About ¼ of elements are nonmetals.

  9. Properties of Metals • Luster • Ductile • Malleability • Conductor • Insulator

  10. Luster • What is luster? • Why is gold used in jewelry?

  11. Ductile Definition: Example of an element that is ductile:

  12. Malleable • Define: • What is an example of a malleable element?

  13. Conductors and Insulators • Metals ________ , or transfer, electricity or heat. • Non metals like wood, glass & plastics are _____________ and do not conduct electricity. • What are some everyday examples of Insulators?

  14. Brain Pop • Brain pop metals • http://genesismission.jpl.nasa.gov/educate/scimodule/UnderElem/UnderElem_pdf/TeachText.pdf • http://www.chem4kids.com/files/elem_pertable.html • http://library.thinkquest.org/3659/pertable/nonmetal.html

More Related