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Title: Chapter 2 - The Chemical Context of Life
Description: How is chemistry involved in biology?

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Chapter 2: 
The Chemical Context of Life 
 
Most Abundant Elements in Living Things (SP​
ONCH​

● S​
ulfur 
● P​
hosphorus 
● O​
xygen 
● N​
itrogen 
● C​
arbon 
● H​
ydrogen 
 
Isotopes ​
contain the same # protons but a different # neutrons
...
 
 
Covalent bonds ​
share electrons while ​
ionic bonds​
 transfer them
...
 
 
Electronegativity​
 ­ the pull between two atoms in a molecule 
Nonpolar ​
­ equal pull, stronger bond 
Polar ​
­ unequal pull, weaker bond 


Title: Chapter 2 - The Chemical Context of Life
Description: How is chemistry involved in biology?