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a & p 3
chemical bonds
4
Biology
Undergraduate 1
01/23/2013

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Term
ionic bonds
Definition
attraction of opposite charges
-usually between a high adn low electronegativity
Term
covalent bonds
Definition
sharing of electrons
-electrons are shared to creat most stable configuration
-usually between atoms of similar electronegatives
Term
hydrogen bonds
Definition
sharing of hydrogen atom
-an attraction force not an actual bond
(example: between water molecules)
Term
electronegativity
Definition
-in a period, increases from left to right
- in a group, increases fom bottom to top
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