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H2O is polar because oxygen has a higher electronegativity
London dispersion forces.
The reason why the overall charge of a water molecule is zero is because the number of positive hydrogen ions and the number of negative hydroxide ions are equal, so they cancel each other out.
A Water molecule or a molecule of H2O is released when a peptide bond is formed between two molecules.
This is a compound, a molecule.
Polarpolar
A molecule whose ends have opposite electric charges is called a polar molecule.
Dipole moment of CO2 molecule is zero,becoz it is linear molecule,whereas SO2 is angular molecule having dipole moment 1.61 D....:)
H2O is polar because oxygen has a higher electronegativity
If a sugar is composed of two monomers, it is called a disaccharide.
Fail
The reason why naphthalene can be dissolve in ether and not in water is because of their polarity. Naphthalene is a non-polar molecule. so it can only dissolve with a non-polar molecule.
London dispersion forces.
Ammonia can form four hydrogen bonds per molecule. The lone pair on nitrogen can accept one hydrogen to form a hydrogen bond, and the three hydrogen atoms can bond to lone pairs to form three additional hydrogen bonds. However, if ammonia is the only molecule present, this bonding pattern is problematic because each molecule only has one lone pair per three hydrogen atoms. Thus, an average molecule would likely only have two hydrogen bonds, out of the maximum of four.
The reason why the overall charge of a water molecule is zero is because the number of positive hydrogen ions and the number of negative hydroxide ions are equal, so they cancel each other out.
the answer is HNNH the reason for this is the double bond if you draw out the lewis structure
One possible reason behind the inability of a certain substances to pass across a cell membrane is molecule size.