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A covalent bond does not have oxygen in it but ionic bonds do and because Boron cannot join with oxygen it can only make covalent bonds

hope that helps =)

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Q: Why boron makes covalent bonds but not ionic bonds?
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Is rubbing alcohol covalent or ionic?

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Polar covalent bond between nitrogen and hydrogen atoms Polar covalent bond between nitrogen and hydrogen atoms.


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The chemical behavior of atoms is best understood in terms of the degree to which an atom of a particular element attracts electrons, a characteristic officially known as electronegativity. When electronegativity is either very high (as in a chlorine atom) or very low (as in a sodium atom) then you have an atom which tends to either acquire or get rid of one or more electrons, and when it does so it becomes an ion. Carbon has a moderate electronegativity and therefore it is more likely to share electrons (forming covalent bonds) rather than either giving them up or acquiring them (forming ionic bonds). Nitrogen does have a relatively high electronegativity and does form ionic bonds, but in ionic compounds it is most often found in the nitrate radical, combined with 3 oxygen atoms. Nitrogen is also found in molecules that have covalent bonds, such as proteins, but it is the moderating influence of carbon that makes this happen. I should add that inert elements such as helium do not attract electrons but neither do they give up the ones that they have; they are in a special category, and they form no bonds, neither ionic nor covalent.


Is tap water a molecular compound?

Tap water is H2O (with some trace impurities). This makes it a covalent molecule.


What is the Lewis dot structure for boron iodide?

This one can be a little trick because unlike most elements boron is happy with six electrons instead of eight. So boron would be connected to the iodines with three single bonds. I'm not too sure on how to type the lewis structure so it will look right, but i'm sure you can figure it out. Boron is the central atom surrounded by three iodines with single bonds, and remember boron only need six electrons. And this lewis structure has no resonance and makes a polar molecule with a shape of trigonal planar, with an angle of 120 degrees. Hope this helps!

Related questions

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