Tuesday, January 11, 2011

Day Two: Activity 3

Describe covalent and ionic bonding?
Covalent bonding is a form of chemical bonding between two non metallic atoms which is charaterized by the sharing of pairs of electrons between atoms and other covalent bonds.
Ionic bonding is a type of bond formed from the electrostatic attraction between oppositely charged ions in a chemical compound. These kinds of bonds occur mainly between a metallic and a non metallic atom.
What is electronegativity?
Electronegativity is the tendency of an atom or radical to attract electrons in the formation of an ionic bond
List the electronegativity values for H, Na, Cl, and O.
H: 2.1
Na: 0.93
Cl: 3.16
O: 3.44

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