Question

Water molecules are polar covalent molecules. There is a partial negative charge near the oxygen atom and partial positive charges near the hydrogen atoms due to the uneven distribution of electrons between the atoms, which results in the formation of hydrogen bonds between water molecules. The polarity of water molecules contributes to many properties of water that are important for biological pro

Answer 1

Answer:

The water molecule, as a whole, has 10 protons and 10 electrons, so it is neutral. ... The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms.

Explanation:

Answer 2

Water  molecules  are polar molecules, they have a partially positive end and a partially negative end.

Water contains hydrogen and oxygen. The hydrogen and oxygen in water are combined in a ratio of 2:1.

However, oxygen is far more electronegative than hydrogen hence the compound is polar. The dipole in the molecule points towards the oxygen atom which bears the partial negative charge. Hydrogen bears the partial positive charge.

This polarity of water enables extensive intermolecular hydrogen bonding between water molecules. Properties such as high melting and boiling point of water owes to extensive intermolecular hydrogen bonding in water molecules. Indeed, all the physical properties of water are linked to polarity and hydrogen bonding.

Also, this polarity makes water molecule an excellent solvent for many substance especially in biological systems where it functions as the medium for many biochemical reactions.

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