IONS

Do Now# _____ Define Ion and then draw an ion of helium. Clearly label your protons, neutrons and electrons.

Do Now # ___

Define: Atomic number, mass number and isotope and then draw an isotope of Carbon. (Clearly label your protons, neutrons and electrons.)

Stephen Hawkings - Aliens - Into the Universe

Chapter 12 vocabulary

Atoms

Model

Theory

Nucleus

Electrons

Electron cloud

Protons,

atomoic mass unit (amu)

Nuetrons

Atomic number

Isotopes

Mass number

Atomic mass

Forces in atoms

·         Gravity

·         Electromagnetic force

·         Strong force

·         Weak force

Vocabulary for quiz on Monday

• element
• pure substance
• metal
• metaloid
• nonmetal
• compound
• mixture
• conductor
• thermal and electrical conductivity
• malleable
• ductile
• brittle
• law of definite proportions (pg 86)
• chemical properties
• physical properties
• chemical change
• physical change

this unit assumes a mastery of vocab from previous unit on physical characteristics: density, solubility, conductivity, etc.

List of Blogs

Dear Students,

I would like a link for each of your blogs.  Please comment with the web address of your blog.

Thanks.

Mr. Sneideman

Chemical Hazards

The human race is now polluted with thousands of industrial chemicals - with little or often no understanding of the consequences.  Many times chemicals are recalled after decades of use.  In fact, babies are born with as many as 300 industrial chemicals in their bodies when they enter the world.  Lets learn more as a class so we can be informed citizens and consumers.


Go to this web address and read and explore for 20 minutes.  Come to class with an idea of which category you would like to study.

http://watoxics.org/chemicals-of-concern 

Chemicals of concern specific to children's toys
http://www.healthystuff.org/departments/toys/chemicals.introduction.php



Washington Toxics Coalition - lots of good links.
http://watoxics.org/about

US GOVERNMENT WEBSITE ON WATER POLUTION

http://water.usgs.gov/

Links for Pesticides

http://www.pesticideinfo.org/Index.html

http://www.pesticideinfo.org/airpic/ap_step1.jsp

http://www.panna.org/science/myths

http://www.pesticideinfo.org/Docs/ref_help1.html

plastics 101 –

http://watoxics.org/healthy-living/healthy-families/safe-start-for-kids-1/plastics-101

Teflon and Gore-Tex
http://www.ewg.org/reports/pfcworld

Links to for chemicals and children's health.
http://www.ewg.org/childrenshealth
http://www.healthystuff.org/departments/toys/


Flame Retardants
 http://www.cleanproduction.org/Flame.About.php 

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