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A water molecule is formed up by 2 hydrogen atoms and 1 oxygen atom. Due to their non-metal properties, the bond that formed between them is considered as covalent bond, which enables them to share their octet electron and achieve stability. Both hydrogen and oxygen atoms are negativly charges, however, the oxygen shows it electronegativity higher than the hydrogen atom. Thus the hydrogen atoms will be atttrated towards the oxygen and this create a slight change in their charges. The oxygen shows electronegativity whereas the hydrogen shows a slight electropositivity.

When the salt(sodium chloride) approaches the water molecule, sodium ions (Na+) will be attracted to the hydrogen atoms whereas the chlorine ion (Cl -) will be attracted to the oxygen atom. Thus, the sodium chloride is being decomposed and dissloved.

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14y ago

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