bond angle
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Which of the following statements correctly describes geometric isomers? Their atoms and bonds are arranged in different sequences.They have different molecular formulas.They have the same chemical properties.They have variations in arrangement around a double bond.They have an asymmetric carbon that makes them mirror images.
folds stabilized by hydrogen bonds between segments of the polypeptide backbone.
It is a non-polar molecule. But it has polar covalent bonds between its atoms
formaldehyde is a trigonal planar with non-ideal H-C-H bond angle, that looks something like this: H \ C=O / H where / and \ are single bonds and = is a double bond
Water molecules are symmetric, with mirror symmetry across two planes. Their structure is not constant but varies with local conditions, however the angle between the two hydrogen oxygen bonds is often quoted as 104.52 degrees. (This bent structure is responsible for many of waters interesting properties.) Some related links: http://www.lsbu.ac.uk/water/molecule.html http://en.wikipedia.org/wiki/Water_model