Fluorodiiodoborane
Trigonal Planor being Non-polar
Explain the effect of molecular polarity on behaviour.
Polarity of HF is nonpolar and it's molecular shape is linear.
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A sulfur molecule has zero polarity.
Yes.
if molecular shape is symmatrical then its non-polar but if it is non symmatrical then its polar.
Polarity occurs when an atom of a chemical bonds to the electrons rather than the other atoms. F2 polarity occurs when the atoms in the bond are the same.
The polarity is a vector quantity. The resultant of the polarity of bonds determines the polarity of the molecule. In CO2 there is polarity between the two C-O but the polarity is equal and opposite in direction so CO2 doesn't have polarity. If the polarity of bonds is not cancelled then the polarity remains in the molecule.
The molecular geometry of a compound helps to determine polarity because, it indicates the number of lone pairs on a central atom thus giving it specified angles and polarity (only if there are lone pairs because if there are no lone pairs on the central atom, them it is non-polar).
A dipole moment is defined as a measure of the molecular polarity of a compound; the magnitude of the partial charges on the ends of a molecule times the distance between them (in meters). In order for there to be a dipole moment the element must must have molecular polarity which results from molecules with a net imbalance of charge (often a result of differences in electronegativity). If the molecule has more than two atoms, both shape and bond polarity determines the molecular polarity. In general look for a difference in electronegativity of the elements of a molecule which results in polarity and thus a possible dipole moment. Note that molecular shape influence polarity so molecules with the same elements but a different shape (and vice versa) won't have the same dipole moment.
The bond in the molecule O2 is covalent.