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anonymous

  • 4 years ago

Could someone help me to understand ionic bonds, covalent bonds, and, more specifically, non-polar and polar covalent bonds?

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  1. anonymous
    • 4 years ago
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    a covalent bond happens when two atoms share an electron. they can fall into 2 types polar and non-polar, polarity happens when there is an uneven displacment of electrons. for if we look at the molecule HF and you know your periodic trends you would know F is going to pull its electron closer to the nuchulas harder than H has the ability to pull. so on the florine side you get a slight negitive charge and on the H you get a slight psoitive charge. This difference of charge is sometimes called a dipole also but means it's a polar molecule. Later you will learn about bigger polar molecules like SF4 which is also polar but is polar because of its molecular geometry.

  2. anonymous
    • 4 years ago
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    Ionic bonds are usually evidenced by hard crystalline solids, with high melting points and typically pair a metal with a non-metal: NaCl(s) Covalent bonds are common in non-metals. H_2O(l); N_2(g); C_6H_12O_6(s) are all held together by covalent bonds.

  3. anonymous
    • 4 years ago
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    Thanks, Zbay, and thanks Jetzt, as well, but I was basically looking for an explanation of polarity, which Zbay gave me.

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