Questions tagged [ionic-compounds]
Compounds in which at least some of bonds have ionic character stronger than covalent or metallic. Many compounds called salts are ionic compounds but not all of them.
105
questions
20
votes
1
answer
18k
views
Is KF the most ionic compound?
I saw somewhere (can't recall where) that KF is the most ionic compound. I expected CsF. Does the greater polarizability of Cs allow it to more easily form covalent bonds compared to K? Does this ...
- 3,848
16
votes
1
answer
13k
views
What is Sodium Chloride like in gas state?
Since sodium chloride is sodium and chlorine atoms bonded as a lattice and there are no discrete molecules, doesn't that mean in gas state, sodium chloride is simply sodium and chlorine atoms separate ...
- 453
25
votes
4
answers
6k
views
Will gaseous ionic compounds be free moving ions?
I knew while learning about electrolysis that if the ionic compound is molten it becomes free moving ions.
If that is the case, what will happen if I continued heating till it reaches the boiling ...
42
votes
1
answer
12k
views
Can 100% covalent bonds exist?
Every covalent bond has some ionic character and every ionic bond some covalent character. I can understand why a completely ionic bond is an ideal situation. But completely covalent bonds can exist(?)...
- 3,479
11
votes
3
answers
3k
views
Can a organic compounds such as hydrocarbons contain an ionic bond?
Can organic compounds like hydrocarbons have types of bonds other than covalent bonds? Can they also possess ionic bonds?
- 393
11
votes
3
answers
12k
views
Is potassium bifluoride an ionic or a covalent compound?
The statement below is an excerpt from my textbook (Chemistry Part II, Textbook for Class XII by NCERT, ed. January 2014):
Because of the tendency of fluorine to form hydrogen bond, metal fluorides ...
- 26.3k
6
votes
1
answer
2k
views
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 ...
- 1,218
36
votes
7
answers
123k
views
Are metallic/ionic bonds weaker than covalent bonds?
In mineralogy class, I was taught that metallic and ionic bonds are weaker than covalent bonds and that's why quartz and diamond have such a high hardness value. However, in organic chemistry class, I ...
- 627
21
votes
3
answers
6k
views
The impossibility of 100% ionic bond
Recently, I read the definition of oxidation state on Wikipedia. It read that a 100% ionic bond is impossible. So what does a 75% ionic and 25% covalent bond mean at all?
user55990
16
votes
1
answer
1k
views
Why do different elements form different types of carbides?
What property of the elements make them form different types of carbides like:
$\ce{Be}$ and $\ce{Al}$ - $\ce{Be2C}$ and $\ce{Al4C3}$ (Methanides) contains $\ce{C^4-}$ ion
$\ce{Na}$ and $\ce{Ca}$ - $...
- 26.3k
13
votes
4
answers
13k
views
Why is CaCl2 called calcium chloride?
Doing a first year chem class.
Just read through the molecular naming of compounds and now I'm confused as to why $\ce{CaCl2}$ is called calcium chloride and not calcium dichloride?
- 361
12
votes
1
answer
3k
views
What is the meaning of "superionic"?
I see the term "superionic" applied to high pressure water in articles like Giant planets may host superionic water, but I don't understand what the term really means.
How is "superionic" ...
- 40.8k
3
votes
2
answers
6k
views
Reaction between zinc and sulfur
Would the reaction between zinc and sulfur be
$$\ce{Zn_{(s)} + S_{(s)} -> ZnS_{(s)}}$$
or
$$\ce{8 Zn_{(s)} + S_8\ _{(s)} -> 8ZnS_{(s)}}$$
I know that $\ce{S}$ and $\ce{S8}$ are allotropes of ...
- 245
13
votes
1
answer
9k
views
Is an ionic bond more like a covalent bond or an intermolecular force?
I have asked a question loosely asking this, where I confused terms and did not specify what I wanted to know here, so I formed a new question.
What are the differences and similarities between ionic ...
- 439
10
votes
2
answers
1k
views
What is the structural formula of alkali hypohalite: MOX or MXO?
There seems to be an inconsistency in the formula. Somewhere it is written as MOX and in some places, it is written as MXO. This is what Google gives when you search sodium hypochlorite:
I think the ...
- 26.3k