All Questions
Tagged with ionic-compounds covalent-compounds
63
questions
-3
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1
answer
78
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How would the regions of this graph showing percentage of ionic character, be classified? [closed]
Looking here at this website - Omnicalculator, at the section of the website for calculating percentage of ionic character. Omnicalculator - Percentage Ionic Character
They let you choose elements and ...
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-1
votes
1
answer
443
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Is mercury(I) chloride ionic or covalent?
Is mercury(I) chloride ionic or covalent? If I look here, I see arguments either way. The article doesn't mention anything about a cation or an anion.
Some might think there's two mercury ions each 1+ ...
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1
vote
1
answer
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Compare the covalent character of ZnCl2, CdCl2,HgCl2
I want to know how to arrange the covalent character of ZnCl2, CdCl2, and HgCl2.
By Fajans' rules, We know that a smaller cation equals higher covalent character.
We also know that atomic size ...
- 199
3
votes
1
answer
224
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Covalent character of bonds in uranium hexafluoride
In one of the questions in a qualifying exam it said that $\ce{UF6}$ is a "covalent compound". This fits the physical properties of the compound well, e.g. low boiling point, existence as ...
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4
votes
2
answers
555
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Why aren't ionic crystals stronger than diamond?
If ionic bonds are stronger than covalent bonds, then why aren't ionic crystals stronger than diamond, which is bonded by covalent bonds?
Diamond has tetrahedral structure with carbons forming ...
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2
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973
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Why are group 13 compounds in the +1 oxidation state more ionic than those in the +3 oxidation state?
I know that for group 13 metals in the p block, the stability of +1 OS is generally more than the stability of +3 OS as it is energetically not favourable to attain the higher OS of +3 and such ions ...
user120098
-1
votes
1
answer
335
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What are the Ionic Properties of Co-ordinate Covalent Bonds? [closed]
In my 10th grade book, it says that
A coordinate bond has properties of both covalent and ionic bonds. Therefore, it is also called dative or co-ionic bonds.
I understand that it has properties of ...
0
votes
1
answer
225
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If bond types are in reality intermixed, how come different bonds form completely different structures?
According to the bond triangle, compounds don't exist as solely ionic or solely covalent, but rather have ionic, covalent, and metallic character to them. So each bond type is connected and similar in ...
4
votes
2
answers
529
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Does lithium form ionic hydride? [duplicate]
It is stated in my chemistry textbook that lithium indeed forms lithium hydrides. However, significant covalent characters could be found in lithium hydrides (like least reactivity).
But in some other ...
-1
votes
2
answers
129
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Is this analogy right? [closed]
Is my logic correct in this case ?
Since the formal charge represents the charge the element possess in a covalent compounds, is it right to say that formal charge is the equivalent term for covalent ...
- 65
4
votes
0
answers
75
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Dielectric constant for gases possessing van der Waals forces [closed]
I've learnt that water can dissolve ionic bonds because it possesses a high dielectric constant.
In the cases of covalent compounds (especially the non-polar covalent compounds), where the molecules ...
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6
votes
1
answer
2k
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Does boron form compounds without covalent bonds?
I have read that boron, due to the very high sum of its first three ionization energies, it is not able to form its +3 ions, and thus it generally forms only covalent compounds. But in a popular ...
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1
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0
answers
37
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What kind of bond exists between a metal and a non-metal with a difference in electronegativity of less than 1.7? [duplicate]
I'm being taught that the kind of bonds that exist between elements depends on the electronegativity difference between the elements. A difference less than 1.7 is covalent and a difference higher ...
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votes
1
answer
116
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bonding in polar covalent bonds
I have recently learned that pure ionic and covalent bonds are just the extremes of a spectrum of bonds from this article from Chemguide. But I can't seem to square this with my understanding of how ...
8
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0
answers
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What are the limitations of the Born-Lande' equation?
The Born-Lande' equation is used to theoretically calculate the lattice energy, $\Delta U$, of ionic compounds. It is often cited as such in literature,
$$\Delta U = -\frac{k_Az_1z_2Me^2}{4 \pi \...
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