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Answer:There are three main properties of chemical bonds that must be considered—namely, their strength, length, and polarity. The polarity of a bond is the distribution of electrical charge over the atoms joined by the bond. Specifically, it is found that, while bonds between identical atoms (as in H2) are electrically uniform in the sense that both hydrogen atoms are electrically neutral, bonds between atoms of different elements are electrically inequivalent. In hydrogen chloride, for example, the hydrogen atom is slightly positively charged whereas the chlorine atom is slightly negatively charged. The slight electrical charges on dissimilar atoms are called partial charges, and the presence of partial charges signifies the occurrence of a polar bond.

Explanation:

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Models help scientists predict the polarity of molecules by ;  Determining the polarity of the bond between the atoms of the molecule.

Bonds between identical atoms ( atoms found in the same element ) are always electrically uniform/neutral ( example; H₂ ). while the bonds between atoms of different elements are always electrically inequivalent. because.

One of the atom will be positively charged ( slightly ) while the other atom will be slightly negatively charged ( example ; Hydrogen chloride ). the presence of slightly negative and slightly positive charges between the atoms indicates the presence of a polar bond.  

Hence we can conclude that Models help scientists predict the polarity of molecules by Determining the polarity of the bond between the atoms of the molecule.

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