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14 September, 21:52

Consider the following element combinations. Classify the bonds formed between each pair as ionic, polar covalent, or nonpolar covalent qualitatively based solely on each element's position on the periodic table. Do not conduct calculations. Drag the appropriate items to their respective bins: Ionic | Polar covalent | Nonpolar covalent

(P and I | Fe and O | S and Cl | S and S | Br and Br | O and Cl | Be and Cl | Al and N)

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  1. 14 September, 22:33
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    An ionic bond is formed by the transfer of electrons from one atom to the other. It is usually formed between a metal + non-metal.

    A covalent bond is formed by sharing of electrons between two atoms. It is formed between two nonmetals. A polar covalent bond is formed between 2 non-metals which differ in their electronegativities. In contrast, in a non-polar covalent interaction the two atoms could either be the same or have very close electronegativities.

    1) P and I : Both non-metals with different electronegativities = Polar Covalent

    2) Fe and O: Metal + non-metal = Ionic

    3) S and Cl: Both non-metals with different electronegativities = Polar Covalent

    4) S and S: Both non-metals and the same atoms = Non-polar Covalent

    5) Br and Br: Both non-metals and the same atoms = Non-polar Covalent

    6) O and Cl: Both non-metals with different electronegativities = Polar Covalent

    7) Be and Cl: Metal + non-metal = Ionic

    8) Al and N: Metal + non-metal = Ionic
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