Atoms, Elements, Compounds and how they BOND!

10-10-12
Today's Assignment Organic Compounds Worksheet


http://www.scribd.com/doc/109650299/Macromolecules-Traci
 
Macromolecules!
Their in the food we eat!
We need them to survive!
They are Organic Compounds!

Carbohydrates
made of the elements Carbon, Hydrogen, Oxygen (CHO)
Lipids
made of the elements Carbon, Hydrogen, Oxygen (CHO)
Proteins
made of the elements Carbon, Hydrogen, Oxygen, Nitrogen (CHON)
Nucleic Acids
made of the elements Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorous (CHONP)

This last link will help wth the last 4 questions on todays assignment!
http://schoolhouse1.fenn.org/dduane/science8th/lab_results_of_indicator_tests.htm

 They are biological in nature (bio means life...living). Scientist believed carbon was in living things, but found other carbon based molecules that were not alive, even in outer space. There's still so much to learn!!! Now we know some some non-living things have carbon, like carbon-dioxide. It is inorganic. So are Rocks! The are mineral in nature.

10-9-12
Chemical Bonds!
How to atom join to make molecules?
The use CHEMICAL BONDS!
        Ionic bond occur between differencahrged atoms, positive or negatively charged atoms are
        attracted to each other and the positive atom gives (or loses) an electron to the negatively  
        charged atom. In ionic bonding electrons are gained or lost, so they can bond.
       
        Covalent bonds occur between negatively charged atoms and they share electrons to bond.
 
See the powerpoint below!

In class assignment Matter Review

Orgnanic compounds are biological in nature (bio means life...living). Scientist believed carbon was in living things, but found other carbon based molecules that were not alive, even in outer space. There's still so much to learn!!! Now we know some some non-living things have carbon, like carbon-dioxide. It is inorganic. So are Rocks! The are mineral in nature.











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