4.2 chemical bonds
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12 Terms
what is a molecule?
made up of atoms that are participating in chemical bonds with one another
what is the key to a bonds' formation?
the difference in electronegativity between two atoms
if the difference in electronegativity is greater than 2.0...
ionic bond
ionic bonds form between...
a non-metal and metal
if the difference in electronegativity is less than 1.7...
covalent bond
covalent bonds form between...
two non-metals
what happens in ionic bonding?
non-metals steal an electron from metals
covalent bonding - if the difference is greater than 0.5...
polar covalent bond
covalent bonding - if the difference is less than 0.5...
non-polar covalent bond
what happens in covalent bonding?
electron isn't stolen, but shared
what happens in polar covalent bonding?
the atom with the higher electronegativity "hogs" the electron, and the atom is now partially negative on that end
what happens in non-polar covalent bonding?
the electron(s) are equally and evenly shared between two atoms
Note 
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