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Ka =
[H3O+][A-]/[HA]
The less HA =
stronger acid
Usually polar
O-H, N-H, C—O (double bond)
Usually non polar
Mostly C-C & C-H
Ionic compound
usually metal + nonmetal (more for polar
Covalent
usually nonmetal + nonmetal
Molecule will be non polar if
1) The molecular shape around the central atom has no lone pairs, or if it does its square plane or linear
2) All atoms around the central atom are the same
Atomic size gets bigger
Down a group
To the left across a period
Non polar compound:
London dispersionoP
Polar compound:
London dispersion, dipole dipole
compound w/ H-F, H-O, H-N:
London dispersion. dipole-dipole, hydrogen bond
Ion-dipole =
ion + polar